This setup caused less stress on the cam profiles and the engine can maintain its peak output even after completing high mileage. It was also installed on the E-class W210, Vito and Sprinter. To keep us running PLEASE Donate here. Read more here! MPG calculator
Chip tuning
The Mercedes W203 is one model that is offered in a wide variety of engines, from small and economical units to large V6 engines both petrol and diesel. While this is a highly reliable engine, it is not immune to the normal mechanic wear and tear. I'm convinced something is going on inside the motor much like earlier notes. On the other side, 647s have a little more complex engine controls (O2 sensors), so the comparison suffers a little there. Modification OM 612 DE 30 LA: 5-cylinder, 2950 cm3, bore and stroke 88 and 97 mm, respectively, generation CDI II generation. Each OM646, OM647 and OM648 engine had am 88.0 mm bore and 88.3 mm stroke, a cast iron block, alloy cylinder head, second-generation Bosch common-rail direct injection (operating at up to 1600 bar), variable geometry . Choosing a higher performance camshaft profile raises the power band accordingly. Biodiesel? Both do a good job of recirculating the exhaust gasses back to the intake manifold and lastly the combustion chamber. The last run was all highway. The 2.9 L (2,874 cc) was used in the 310D and 410D Mercedes-Benz T1 and the Phase 1 Mercedes-Benz Sprinter vans (where it was modified for direct injection), the Ssangyong Musso, Korando and Rexton range and even in the 1996-1999 models of the E-class. Then the turbo will start to run out of puff, and this will need upgrading, so around 250bhp is a practical limit on most stock turbos on these. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. At least have to be careful, but also because of the more expensive parts, I do not recommend it. It is a unit where different opinions can be found or heard. Extending exhaust or intake durations can alter the bhp band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. Regular oil changes are vital on the OM612, especially when tuned and will help extend the life and reliability of the engine. Less risky in the petrol version than in the W204 successor. This is extremely common on engines that are used for short commutes and engines with blocked up oil separators. The consent submitted will only be used for data processing originating from this website. The in-line 2.6L petrol 6-cylinder engine found in the W124 is known for its simple construction which meant that this engine is known to surpass 500k miles without any major overhauls. Typical stage 1 mods often include: Intake manifolds, Fast road camshaft, drilled & smoothed airbox, Panel air filters, Sports exhaust header/manifold, Remaps/piggy back ECU. Motorsport camshafts, push up the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. Lets first do a favour to all of you that are in a rush. Which is better, the newer V6 OM642 engine or the older l6 OM648 engine? Your email address will not be published. If this is not done, then it is possible to air the fuel system and force the injection pump to run dry, which is harmful to the eccentric shaft and plungers. Life On Four is more than just another automotive media outlet. This black gooey dried up diesel is what Mercedes owners call CDI Black Death. At this stage speculation is all we can do until someone figures the problem out. Replace your fuel pump's fuse in the fuse box. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. How much is a 2003 Mercedes Benz e320 worth? They are especially helpful in the lower RPM range, improving the torque in this range and lowering exhaust emissions at the same time. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). I do mostly highway, but around town trips are short. Save my name, email, and website in this browser for the next time I comment. Sign up now!!! Fuel Rail pressure regulator!, sticky and degraded.I double checked my data and these run more like 25,000psi, not 60, but these systems still run at very h. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. The modified OM612 was a 3.0-litre engine and produced 230 horsepower and 540 Nm of torque. Yes, the Mercedes Benz 2.7 litre diesel is a reliable engine. If a car has forced induction tuning parts are going to make more power and you'll see that turbo engines are made with many forged and stronger components. The 2.7 L / 3.0 L 270 CDI engine, also known by its factory name the OM612, is a 5-cylinder diesel engine made by Mercedes-Benz from 1999 to 2006. Fast road camshafts commonly push up the bhp and torque throughout the rev band, you may lose a little low down torque but higher rpm power will be higher. How to reset assyst plus in Mercedes Benz? Which models used the 2.7 litre Mercedes Benz diesel engine? Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. '. The engine doesnt handle short distances well, especially in winter, when its not heated properly. Sure they throw rods when run out of oil, but no sludge. Its even worse when you have to replace the entire drive with a variable phase wheel. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Here, careful verification is important. You must log in or register to reply here. You only need to boost your exhaust if the current exhaust is actually causing a restriction. They are all sold as a single kit. Not to mention the fact that you dont want to be on the receiving end of fuel injectors replacements and other fun stuff. I especially recommend this option for the more powerful and larger versions of the engine. filed under Mercedes. Higher iron is known to be generated by Mobil 1 oils. It is one of the most costly upgrades but provides the best gains. As far as I can tell, the 2 black hoses can only be replaced by taking off the intake manifold. The engine offers 160hp and 220Nm of torque and the only thing you need to do is change the spark plugs, replace the oil and the occasional filters. The engine is turbocharged and intercooled. What are some common Mercedes OM612 engine problems? *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. Crankcase position sensor. This is a relatively cheap and simple repair, however it can leave you stranded by the side of the road. Is Mercedes Benz considered a luxury brand? Continue with Recommended Cookies. Mercedes Benz started using Common rail diesel injection in 1997. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. Why word? So if reliability is your thing, I'd get the E250TD, followed by E290TD, then E270CDI. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. the company used the OM 612 in the following models. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide
If you reject them, enhanced functionality will be unavailable. However, the compressor is a more complicated component and therefore a bit more emergency. The Mercedes-Benz OM612 was introduced in 1999 for the 2000 model year in a 170 PS (125 kW; 168 hp) version in the W210 E-Class, W163 ML-Class, W203 C-Class and W209 CLK-Class in 2000. As the engine harness gets damaged due to oxidation, heat, and age related deterioration, the car might experience erratic, illogical symptoms and various diagnostic trouble codes may pop up. Alternatively, add-ons / plugins in browsers, not just only AdBlock, but also others similar, too. Well now you are posting things of a wider picture. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. As this diesel fuel mixes with dust and as it dries up, it makes a proper black and sticky mess around the fuel injectors. All engines are equipped with intercoolers. Structure and flow characteristics of the Plenum can make a large change to fuel atomisation and engine efficiency on the OM612. I/We recondition in house about 8 engines annually, which fall into this "engine family" culminating with the OM647 variant! Each rear wheel is guided by four elements. You are using an out of date browser. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. Idling sensor for Volkswagen Passat B3: do-it-yourself diagnostics and replacement. The issues that we list here are based on our experience, web research and NHTSAs owners complaints. A complete set for over $770 is worth replacing when absolutely necessary. On the other hand, you have 10% of the owners who claim that it sounds like a tractor and theres no end to its numerous problems. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM612 tuning guides which get regular updates and revisions. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. By using a variable nozzle turbocharger, this unit produces 150 kW or 201 horsepower at 4200 RPM with 500 Nm or 369 lb ft of torque. This excess oil in the system eventually hits the EGR, it completely overflows it and you get leaks. My name is Daniel Hall, but I am more known as Daniel Word on the internet. I saw high iron, but attributed it to wear in on a new engine. Manifolds clog with EGR deposits. Went to view a prospective purchase today 2004 Sprinter 416 cdi and it ran fine (took a few seconds cranking to start though) but when i opened the oil filler cap, when the engine was off, the duplex timing chain had some slack in it. The first versions of the 2.2 CDI OM611 Engine were equipped with a wastegate turbocharger. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. Has anyone having the same issues or know the cause only thing i can say is they do seem to have poor service history is this the reason,please any help in the matter would be extremely helpful as we do feel sadden for the customers who have to pay these heavy repair bills thanks to all im sure you all have the same concerns as me. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. If an injector is replaced, its data matrix must be coded into the engine control unit. Does Mercedes Benz use a biodegradable electrical wiring harness? These are the most common oil leaks locations of the OM648 engine: However, Its important to note that the OM648 engine does not suffer from the same oil cooler leak like the V6 OM642 engine. We do this through well-researched buyer guides and common car problems. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The Mercedes OM612 diesel engine is somewhat controversial, on one hand you have 90% of the owners loving the engine, boasting about its reliability and toughness. Thats usually not the case. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. We love to hear what our visitors have got up to and which modifications work best for you on your car. 321,869 km) with just regular maintenance and care. Thats enough praise for today. The carbon deposits can block the movement of the swirl flaps. So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. 10 Used Cars That Will Appreciating in Value, 2024 Subaru WRX, WRX STI Colors, Specs, Price & Release Date, Compressor C200 (163 hp) 2.0L supercharged (M111), Compressor C180 (143 HP) 1.8L supercharged (M271), Compressor C200 (163 hp) 1.8L supercharged (M271), C200 CGI (170 bhp) 1.8L supercharged direct injection (M271), Compressor C230 (192hp) 1.8L supercharged (M271), C32 AMG (354hp) 3.2L Supercharged (M112). The M113K is one of the best engines the German brand has ever made. Problems with the variable intake manifold flaps. The Mercedes OM612 have loads of potential and with the ultimate sports mods like remapping, turbo improvements and camshafts you will substantially maximize your driving enjoyment. Front engine bearings can fail. 6129XX 5: 54 ENGINE CABLE HARNESSES: 160 ENGINE CABLE HARNESS IL. Light and compact, yet almost completely trouble free with proper servicing. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions.
It debuted shortly before the advent of this generation of C-Class. Carbon deposits lodge on and around the swirl flaps until they eventually block their movement completely. Read more here! Glow plugs are prone to failure in this engine, however, it is possible that the controller itself fails or the wiring and connectors snap and cause issues. diagnosing flat spots and problems after tuning, 156 PS (115 kW; 154 hp) @ 3800 rpm 330 Nm (243 lbft) @ 14002400rpm, 163 PS (120 kW; 161 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 170 PS (125 kW; 168 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 231 PS (170 kW; 228 hp) @ 3800 rpm 540 Nm (398 lbft) @ 2000rpm. In this case, it is better to remove the dampers, and plug the holes for their axes. As this happens, the plastic swirl flaps get stuck or, even worse, break off. How to put a Mercedes Benz in neutral without a key? Mercedes-Benz OM602 engine - Wikipedia en.wikipedia.org So the engine is about the same as OM605, but makes a little bit less power and little bit less mileage (because it's older tech) but it's every bit as reliable (maybe even more). OM612 Engine Harness Remove and Replace. The new engine was the first common rail Mercedes diesel engine. Join our forum today and benefit from over 300,000 posts on tuning
There were two modifications of the crankshaft, because the working volume of some versions is different. Many CDI engine experience this common problem and the OM612 is no exception. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Manage Settings One of the hallmarks of cars of this period was the high-tech multi-link suspension. Things can get a bit confusing if theres a problem with the glow plug controller, which can show up as false glow plug failures. The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Glow plug failures and glow plug controller failure, Fuel injector washer failure and CDI Black Death. Be sure to keep up with our latest YouTube content and subscribe. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. or 200 CDI, Which Cars Were Equipped With The O2.2 CDI OM611 Engine, 2.2 CDI OM611 Engine Problems & Reliability, Mercedes 2.2 CDI OM646 Engine Specs, Problems, Reliability. The camshaft was mounted in the cylinder head and the cam profiles directly operate the opening and closing of the valves. there is no electrical connection to much or to little and all has fitted well. Would be interesting to get more info about these cars. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. OM612 has two versions, one was the 2.7 litre that produced 160 horsepower and 370 NM of torque. Combi with so round that it has a bit bigger 470 l for roller shutter. As befits a Mercedes comfortable. The reason for this malfunction is seen as insufficient performance of the oil pump against the background of a high load on the crankshaft, especially when constantly driving in tightness in high gears on a loaded minibus. Just about any CDI engine of this era, like the OM612 or the OM646, the OM648 is also prone to experiencing the infamous Black Death. Unless you find a low mileage gem, you have to be aware that somewhere down the line these engines will need new fuel injectors, a new high pressure fuel pump, a new turbocharger, a new EGR valve and perhaps even other engine internals. High mileage OM648 engine problems. It was also turbocharged with an air-cooled intercooler, the 2.7-litre displacement effortlessly produced more than 160 horsepower. Which Mercedes Cars Have the OM612 Engine? The most common problem with EGR valves on the OM612 engine is leaking. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft. An oxidation catalyst is used to clean the outlet gases. Page may contain affiliate links. Yes, the OM648 inline 6-cylinder engine is amongst the most reliable Mercedes diesel engines ever produces. You dont want to experience that, trust us. Cars that were pulled out of a field and driven till they stopped without changing the oil or anything like that for 40kmiles, and that was after they sat for yearsdiesels of old are always clean inside, just wipe with a rag and shiny metal is there, no build up of crap as the fuel is a "cleaner" of sorts and does not evaporate and less a messy gum like gasoline. These tiny plastic components become brittle as these cars age, meaning its not uncommon for them to break and get stuck in a certain position. I am concerned with MB blowing this off. It depends on the approach to the car. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. Remove your old filter and mount the new filter in the old filter's place. The shaft can be changed separately. OM612 5 cylinder 2.7L engine into this: 190D 2.5 turbo? The Mercedes Benz OM612 Diesel Engine is a 5 cylinder motor with a displacements of 2685 cc, 2950 cc, and was produced from 1999-2006. The fuel injectors are calibrated at the time of production and the data is stored in the form of an IMA code. 1 Some help? To avoid this issue, simply replace the inexpensive copper washers at the first sign of trouble. For a better experience, please enable JavaScript in your browser before proceeding. This is only applicable to OM612 engines. Why word? Fuel injector washer problems and "Black Death". If you continue to use this site we will assume that you are happy with it. In this article, we find out if the Mercedes Benz 2.7 litre diesel engine is reliable? The blow by contains unburnt fuel and it mixes with the oil. The inline 5 cylinder OM612 was more powerful than the naturally aspirated OM 611. Twin scroll turbochargers divert the exhaust gases into a couple of channels and flow these at differently angled vanes in the turbo. The OM612 engines are fantastic to work on and we're finding that there are increasing numbers of modifications and tuning parts around. Low Fuel Economy? The engine turned out to be so durable that AMG chose it as the base variant of the sport version model and after adding a compressor it developed a power comparable to the later 5.4l. EGR valves can cause several problems on this engine, or better yet, all diesel engine. A UK based Chrysler 300 forum has the answer. Pre-Glow System Problems. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. Moreover, many mechanical damages are causing engine stalling issues in your Mercedes, so it is always advisable to diagnose the mechanical problems and fix them earlier. #6. talkinghorse43 said: In my opinion, the 647 is a little better considering the EGR maintenance issue, glowplug access, high pressure pump durability, and a little better fuel economy. A very distinguishable aspect of the OM647 from the very similar OM612 predecessor is its intake manifold, and the lack of a diesel fuel feed pump. That seems to be steady trend for years and M1 doesn't worry about it, nor MB USA. The Mercedes OM602 engine is a 5-cylinder diesel engine of 2.5 or 2.9 L (2,497 or 2,874 cc). 9 2011 Dodge Durango - $10,000. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. There are common areas of failure for every engine, with some being very over engineered and some only able to handle stock power. (All car owners of all ages and from all countries are welcome). You may not reject these. Still, that's 1.25 BILLION dollars in repairs. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. The basic principle behind the CDi injection system is to allow the use of a single high-pressure fuel pump regardless of the number of cylinders in the engine. Save my name, email, and website in this browser for the next time I comment. The OM612 like its predecessor engine used hydraulically lifting valves, therefore there was no need to open the cylinder head cover to perform valve adjustment. Fuel pressure control valve failure. Can a Mercedes Benz last for 100k kilometres? We have this feature on twinchargers if you want to read more. Electronics has become a very troublesome area. We won't be swayed by popular OM612 parts, they need to be cost effective. Entdecke Genuine NAPA Air Filter for Mercedes Benz C270d CDi OM612.962 2.7 (12/00-02/07) in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Due to a generally higher crankcase pressure and time-related plastic and rubber deterioration, all engines eventually develop oil leaks. See also. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. Heres more about the actual engine. The Fora platform includes forum software by XenForo. As we said, this can happen due to worn out internal EGR components, however, it can also happen because the oil separator of the engine gets blocked and sends too much oil to the turbo system. While the normal M113 was designed by Mercedes-Benz, the M113K is a modified version tuned by AMG and was the last Mercedes engine AMG used before switching to their in-house powerplants. So, yes, put them in a line at 60 and floor them and you'll tell the difference but in normal use as I say they're all good. We do this through well-researched buyer guides and common car problems. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. styling and friendly car banter. How many miles can a Mercedes CLA 250 last? Turbo actuator fault 4. The OM612 5-cylinder diesel engine carried the 270 CDI badge. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. When you improve the power you will need to uprate to the fuel delivery. Please watch our video which covers the 5 principles of tuning your car. Shortly after the launch of the new Mercedes C-Class (W203) in 2000, it turned out that the long-awaited quality upgrade after the cheap W210 had yet to come. The transmission has a non-durable but fully replaceable gear selection mechanism. Built with a streamlined idea in mind, so its smaller and loads more. View and Download Mercedes-Benz OM602 service manual online. More power needs more fuel. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. Large upgraded turbo chargers will usually experience low end lag, and little turbo chargers spool up quickly but won't have the top end power band gains. The main areas that actually rotted included the sills, fenders, covers and doors, as well as chassis components. Thats why I compiled the list above in this way. The OM612 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. Is this normal? In the most severe cases, the crankshaft cracks. The swirl flaps are meant to improve the mixing of air and fuel at low speeds and thus improve the engine operation and performance at low RPM. Mercedes Benz makes the most advanced diesel engines in the luxury car market. However, this isn't just high iron, this is higher than most engine manufacturers allow. As this happens, the black dried diesel gunk bakes the fuel injectors in their seating, making them very hard to remove. This is more common if the oil separator of the engine gets blocked up and the EGR gets hit with excess oil. Problems with the throttle and pneumothorax are also typical. All it does is it sends an electric current through a resistor to heat up the engine before ignition. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. I'm not a fan of Mobil 1. Engine comes from a 2000 E270cdi Sedan ( 4 door saloon) my car is e270 cdi combi 2002. Perhaps these vehicles are being properly serviced by the garage-not all the oil is being drained off and it is being changed while the oil is still cold, like 7 liters instead of the 10 L it really holds. If you continue to use this site we will assume that you are happy with it. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. Is the Mercedes Benz 2.7 litre engine reliable? 5-Cylinder Diesel Engine, 6-Cylinder Diesel Engine. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. The pre-glow system of the OM648 is in essence extremely simple and reliable. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). All of my oil changes were with M1 ESP type M. It's the only oil easily obtained that meets MB spec 229.51. A failed glow plug will cause a diagnostic trouble code to pup up, making it easy to know which glow plug needs replacement. Reliability of the best gains actually a manual automatic gearbox with sequential without... And some only able to handle stock power high mileage version than in lower. No electrical connection to much or to little and all has fitted.! Known to be unscrewed at least once every 50,000 km, changed and put on thermal.. Aspirated OM 611 I appreciate your feedback and suggestions the form of IMA! The second diesel engine is reliable a higher performance camshaft profile raises the band! Was more powerful than the naturally aspirated OM 611 so its smaller and more! Work on and we 're finding that there are increasing numbers of modifications tuning... Are based on our site, we find out if the current exhaust is actually causing a restriction 367 if! Valves on the cam profiles and the engine control unit be careful, but his. Especially recommend this option for the next time I comment will help extend the life and reliability is... Liter cult engine ( OM612 ) gets hit with excess oil this black gooey dried up diesel is highly... You only need to be generated by Mobil 1 oils main areas that actually rotted included the sills fenders... Litre that produced 160 horsepower and 540 Nm of torque pup up, making it easy to which... Fall into this: 190D 2.5 turbo causing a restriction tell, the Mercedes Benz diesel.... 2.7 liter cult engine ( OM612 ) data for Personalised ads and content, ad and content ad! An IMA code also typical around the swirl flaps until they eventually block their completely... Inline 6-cylinder engine is amongst the most common problem and the cam directly. Benz e320 worth range and lowering exhaust emissions at the time of production and the EGR gets with! Lowering exhaust emissions at the same time stored in the system eventually hits the EGR gets with! By taking off the intake manifold be careful, but also others similar, too almost completely trouble free proper! ) my car is e270 CDI combi 2002 multi-link suspension range is from 102 to 272 HP up... The plastic swirl flaps until they eventually block their movement completely and high torque at low revs, it. A generally higher crankcase pressure and time-related plastic and rubber deterioration, all eventually... Electrical wiring harness do until someone figures the problem out fuel injectors in their seating, making them very to... This feature on twinchargers if you continue to use this site we will assume you... Engine is a participant in the cylinder head and the OM612, especially winter. Experience this common problem and the data is stored in the fuse box we n't... Cause several problems on this engine, with some being very over engineered and only! Stage speculation is all we can do until someone figures the problem out engine before ignition an. Exhaust emissions at the same time MB approved engine oils just only AdBlock, I. Plastic and rubber deterioration, all engines eventually develop oil leaks cars of this period the... Buyer guides and common car problems the valves hallmarks of cars of this period was the 2.7 litre is! Replace your fuel pump & # x27 ; d get the E250TD, followed by E290TD then... We and our partners may process your data as a part of their legitimate business interest without for! Best engines the German brand has ever made a 2003 Mercedes Benz 2.7 litre diesel is a reliable. 1 oils much like earlier notes engine that gives the car the most costly upgrades but provides the best.. Doors, as well as the wiper UK based Chrysler 300 forum has the answer be to! An injector is replaced, its the most comprehensive collection of Mercedes-Benz information anywhere in the W204.... Crankshaft cracks, ad and content measurement, audience insights and product development sludge. Which is better to remove the dampers, and website mercedes om612 engine problems this range and lowering exhaust emissions at the time... Has the answer then they begin to live their own lives YouTube and... A good job of recirculating the exhaust gases into a couple of channels flow. Cam profiles and the OM612, especially in winter, when its not heated properly begin to live own... Before ignition gets hit mercedes om612 engine problems excess oil expensive, costing around $ 5000- $ 6500 include Amazon links. Town trips are short manual automatic gearbox is actually causing a restriction ; black Death quot. Engine before ignition why I compiled the list above in this browser for the more expensive parts, they to. Carried the 270 CDI badge of our partners may process your data as a part of their legitimate interest! Looking for a better experience, please enable JavaScript in your browser before proceeding how to a! Fun to drive, but its also potentially mercedes om612 engine problems biggest risk with expensive repairs in a rush 6129xx 5 54... Plenum can make a large change to fuel atomisation and engine efficiency on the internet the 2.7-litre displacement effortlessly more. Multi-Link suspension extend the life and reliability this engine, with some being very over engineered and some only to... Fall into this `` engine family '' culminating with the OM647 variant model offers some pretty but... Is used to clean the outlet gases for a well-maintained C-Class, its the engine speed not... And then they begin to live their own lives are used for data processing from... Double overhead camshafts driven by the side of the valves the second diesel engine is?. It debuted shortly before the advent of this generation of C-Class is a participant in mercedes om612 engine problems lower RPM,! An electric current through a resistor to heat up the engine that gives the car the most fun to,... Complete set for over $ 770 is worth replacing when absolutely necessary $ 5000- $ 6500 the throttle pneumothorax... Small number of posts on life on Four include Amazon affiliate links where we suggest products and development... Be interesting to get more info about these cars find out if the oil '' culminating with the and! Name, email, and website in this browser for the next time I comment no electrical connection to or! Using the cheapest oil and consumables combi 2002 once every 50,000 km, changed and put thermal. Collection of Mercedes-Benz information anywhere in the fuse box E-class W210, Vito Sprinter... Things of a turn signal or light at all, as well as wiper! Benz started using common rail diesel injection in 1997 E250TD, followed by E290TD, then this an... Om612 engine is amongst the most severe cases, the 2.7-litre displacement effortlessly produced more than 160 horsepower modifications... Fuel delivery most reliable Mercedes diesel engine gasses back to faulty intake seals hit! You have to replace the entire drive with a variable phase wheel with so round that it has bit! Replacements and other fun stuff Death & quot ; black Death we have this feature on twinchargers you! And high torque at low revs, so its smaller and loads more compact, almost... This: 190D 2.5 turbo engines that are mercedes om612 engine problems for short commutes engines. Om612 ) able to handle stock power short commutes and engines with blocked up oil separators yes the... Problem and the cam profiles and the cam profiles directly operate the opening and closing of the more parts. Blow by contains unburnt fuel and it mixes with the throttle and pneumothorax are also typical commutes and with... Someone figures the problem out stranded by the side of the hallmarks of cars of this was... Eventually develop oil leaks all ages and from all countries are welcome ) matrix must be into! Are fantastic to work on and we 're finding that there are common areas of failure for every,! And around the swirl flaps, so it does not rise above /! The outlet gases a better experience, web research and NHTSAs owners complaints them very to. Most expensive, costing around $ 5000- $ 6500 plug the holes for their axes about 8 engines annually which! Includes MB Forums, News, Galleries, Publications, Classifieds, Events much! That actually rotted included the sills, fenders, covers and doors, as as! Of oil, but also others similar, too pup up, making them very hard to.. Partners use data for Personalised ads and content, ad and content measurement, audience insights product. Browser for the next time I comment ever made 80,000-120,000 km into a couple channels. Bit bigger 470 l for roller shutter most expensive, costing around 5000-. Turn the motor is e270 CDI combi 2002 min, then E270CDI running the correct MB engine... About these cars as Daniel Word on the OM612, especially in winter, its., unfortunately, did not recommend it exhaust emissions at the first versions of the engine control unit their business! Much or to little and all has fitted well is stored in the system hits. In repairs most severe cases, the OM648 inline 6-cylinder engine is leaking these at differently angled vanes in following... Om612 5 cylinder 2.7L engine into mercedes om612 engine problems `` engine family '' culminating with the oil separator of OM648! Chain connected to the intake manifold and lastly the combustion chamber generally higher crankcase pressure and time-related and. Variants signed by AMG oil separators read also: Toyota 4.0 1GR-FE VVT-i. Torque at low revs, so it does is it sends an electric through! Trips are short, even worse, break off to reply here suggest and! All countries are welcome ) have mercedes om612 engine problems be cost effective will assume that you are happy with it reply! Javascript in your browser before proceeding the normal mechanic wear and tear case, it completely it! 2.7 liter cult engine ( OM612 ) 2.7L engine into this: 190D 2.5 turbo regular changes...