mercedes om612 engine problems

In this article, we find out if the Mercedes Benz 2.7 litre diesel engine is reliable? The 2.7-litre diesel engine was reliable and there were no mechanical problems like oil leaks and abnormal noise even after completing more than half a million miles. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. Read more about us. The M113K is one of the best engines the German brand has ever made. 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. ECU Remapping Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. How many quarts of oil does a Mercedes Benz E350 take. Diesel Remaps The carbon deposits can block the movement of the swirl flaps. 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. Also for: Om603. It now has 40k miles. I'm not a fan of Mobil 1. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. Other variants are ok. Tuning the Mercedes OM612 and best OM612 performance parts. How to reset assyst plus in Mercedes Benz? 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. 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. Just like the OM646 engine or the V6 OM642 engine, the OM612 experiences problems with the swirl flaps inside the intake manifold. The problem is that they made over 500,000 engines before discovering and correcting the cause of the problem. Classic cars with converters have 5 or 7 gears. In fact, they differ only in the number of cylinders. Fuel injector washer problems and "Black Death". The ecu map and injectors and fuel pump also have a large bearing on the bhp gains you'll make. This means that you can expect some issues that do come along with age and high mileage. 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. Altering your OM612 camshaft will make a dramatic difference to the engine power band. 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. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. The Mercedes Benz OM612 engine is a 5-cylinder diesel engine with 2 overhead camshafts that drive 20 valves through pushrods. The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. However, the compressor is a more complicated component and therefore a bit more emergency. As they appeared dry and not having the skill, patience or time, I ignored them. Here is a quick summary of the contents. The engine doesnt handle short distances well, especially in winter, when its not heated properly. The camshaft was mounted in the cylinder head and the cam profiles directly operate the opening and closing of the valves. The third diesel engine in the C-Class is a 3-liter engine with a V6 OM642 configuration, with far more power than the others. Well tell you all about as we continue. All of my oil changes were with M1 ESP type M. It's the only oil easily obtained that meets MB spec 229.51. If you are in the market for a 2005/2006 W211 E-Class 320 CDI with the OM648 engine, theres one thing you must pay attention to before you even take a look at the engine: MAINTENANCE HISTORY. Bio Diesel contains some glycerides (waste veggie oil contains much more glycerides) and over time without proper oil changes these will build up in the engine oil and congeal, turning to jelly at cold temperatures. If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. I am actually starting a case with MB. OM612 has two versions, one was the 2.7 litre that produced 160 horsepower and 370 NM of torque. Read more about us. This excess oil in the system eventually hits the EGR, it completely overflows it and you get leaks. #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. Short journeys can quickly coke up these engines, which leads to carbon build up in the intake manifold and all over these plastic swirl flaps. The first generation Bosch CP1 fuel pump is also very reliable. 128,748 km) is the only solution. It is properly designed and meets all the expectations you might have for such a model. Click here to see my credentials (why you can trust me) and more information! It debuted shortly before the advent of this generation of C-Class. Cars with diesel engines like the OM612 are not the best choice for short-distance driving. 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. When you improve the power you will need to uprate to the fuel delivery. Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. Its worth noting that the majority of these issues can be avoided with regular maintenance, care and correct use of the engine. If youre looking for something more powerful, its better to go for the M112 variant, say 170 HP, rather than the comparable 4 cylinder compressor. '. independent specailist company and we are starting to notice serious problems with oil thickening it almost turns to carbon based jelly this results in blockages too oil supply we normally fit secondhand low mileage engines but even these are now running in short supply so the second one of the month we are rebuilding as exchange unit is 9500 +vat mb price. The only solution is to replace the faulty CKP sensor. And as if that werent enough, the timing chain drive isnt very durable. However, in general, the machine is highly rated for its good characteristics, smooth operation and good performance. JavaScript is disabled. In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. Typical stage 3 mods often include: Adding or Upgrading forced induction (turbo/supercharger), Competition cam, Internal engine upgrades (head flowing porting/bigger valves), Engine balancing & blueprinting, Twin charging conversions, Crank and Piston upgrades to alter compression. All engines are equipped with intercoolers. short commutes experience many more difficulties. The W203 will be better than the cheapest, at roughly the same cost as the W204. If you reject them, enhanced functionality will be unavailable. On most factory exhausts you should find that the flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. They also increase the scavenging effect of the engine. This black gooey dried up diesel is what Mercedes owners call CDI Black Death. There are many guys spending a fortune on turbocharger upgrades on the OM612 only to suffer the humiliation of seeing the engine block explode just after it's completed. 321,869 km) with just regular maintenance and care. That is it, the majority of these issues are easily resolved or even completely prevented by adhering to the manufacturers maintenance plan and some additional care. How many miles can a Mercedes CLA 250 last? There's a mod to remove this. Its even worse when you have to replace the entire drive with a variable phase wheel. How to put a Mercedes Benz in neutral without a key? It also happens that a thermostat failure causes the engine to overheat in the long run, which is important in the case of a car with a DPF filter. If they get stuck in a closed position, they severely impact the operation of the engine. As a rule of thumb add another 20% when specifying an injector, this allows for injector deterioration and affords you some spare capacity should the engine need more fuel. The OM648 is a 3.2 Litre, straight or inline 6-cylinder engines with 4 valves per cylinder. The area that is quite disturbing to users is electricity. The durability of the structure itself is very high. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. You will also have full access to What was the commercial name of the OM612 engine? Engine comes from a 2000 E270cdi Sedan ( 4 door saloon) my car is e270 cdi combi 2002. The Mercedes-Benz OM612 engine is a straight-5 diesel engine produced by Daimler AG ,today Mercedes-Benz. Kelley Blue Book identifies engine diagnostics and oil changes as among the most common areas for service. Because I love writing and researching, especially about cars. It was also installed on the E-class W210, Vito and Sprinter. Chip tuning Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. Modified Car insurance If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. Front engine bearings can fail. We use cookies to ensure that we give you the best experience on our website. This article uses bare URLs, which are uninformative and vulnerable to link rot. The OM 612 was also the only diesel engine modified by the high-performance AMG division. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. Equipment failure is caused by mileage and wear. In the most severe cases, the crankshaft cracks. Combi with so round that it has a bit bigger 470 l for roller shutter. We detect unauthorised copyright material taken from our site using pattern matching tools. And before you think this is something that ruins an engine completely, let us give you a bit of a relief, its not as bad as it sounds. If the washer burns out, then gases will break through into the channel under the nozzle and over time, soot and soot will simply cement the nozzle in the cylinder head. He made his debut on the C-class W202 in 1998. ..serious problems with oil thickening it almost turns to carbon based jelly this results in blockages too oil supply.. only thing i can say is they do seem to have poor service history. Depending on the type of fuel injector, there can be 6-8 nozzles to inject the diesel. Problems with the throttle and pneumothorax are also typical. Unfortunately, suffers from oil spills and leaks. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. As this happens, the plastic swirl flaps get stuck or, even worse, break off. Oil leaks are best fixed as they occur. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It was first used in the OM611 engine which was a 2.2-litre diesel engine producing 140 bhp and OM 612 which was based on the 611 continued to use the same injection system. Many times, while driving the car on the road you will notice that the engine stalls suddenly which may cause a panic attack to the driver because potentially it can lead to severe accidents on the road. Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. Via: Mercedes-Benz. It seems like it would be pretty straight forward being that it is replacing a 2.5 diesel I-5 with a 2.7 diesel I-5. The successor as the M272 always has a capacity of 1.8 l and turbo boost, and in one variant it is also direct injection. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I just started the process of opening a case with MB. Which models used the 2.7 litre Mercedes Benz diesel engine? The OM612 produced between 1999-2006 did not have any major issues mechanically but there were problems in the electrical system of the engine. With systems like high pressure and low-pressure exhaust gas recirculation, Adblue injection, and SCR with DPF the latest diesel engines are cleaner and more powerful than petrol engines. In practice, two seats with a small luggage capacity of 310 liters. Typical stage 2 mods often include: induction kit, Fast road cam, Sports catalyst & performance exhaust, fuel pump upgrades, Ported and polished head, high flow fuel injectors. Turbo actuator fault 4. Going up you'll find 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited bhp and torque at a much lower level. The posted views of our members are in no way the views of MBClub.co.uk or its owners. Save my name, email, and website in this browser for the next time I comment. We use cookies to ensure that we give you the best experience on our website. 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. It helps reduce hydraulic loss, and engine load, operates only on demand, etc. After purchase, it is worth taking care of this area. Crankcase position sensor. They're all fairly smooth and all have more than enough power to not get embarrassed at the lights. Please watch this video and subscribe to my YouTube channel. Simple! In summary, all gasoline engines can be recommended. What are the common problems in the 2.7 litre Mercedes Benz diesel engine? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. All the nitty-gritty little things that do deteriorate with age and miles will make you go insane. 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. An engine harness is a set of wires, connectors, and cables that connect all the electronic components of the engine with the cars ECU and other electronic components. There were two modifications of the crankshaft, because the working volume of some versions is different. 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. In fact, apart from the ones mentioned above, the machine has no major recurring faults. EGR valve problems. I did an oil analysis to check condition and baseline the engine. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. The biggest advantage of the 2.1L engine is its popularity. Increasing the OM612 valve size, doing some port work and head flowing will also improve torque, & importantly will permit an improved torque increase on other parts. Rules for the operation and maintenance of headlights VW Passat B5 We have this feature on twinchargers if you want to read more. This entry was We use essential cookies to make this site work, and optional cookies to enhance your experience. Privacy Policy: We do not store or collect personally identifiable information. 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. It also converts the kinetic energy of the motor into a reusable form . Yes, the OM648 inline 6-cylinder engine is amongst the most reliable Mercedes diesel engines ever produces. 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. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. Current Merc: 2009 C220cdi sport estate B BigDz One of the significant drawbacks of this engine is the wear of the balance shaft gears, the replacement of which is very time consuming and therefore expensive. 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. The Mercedes-Benz OM646, OM647 and OM648 were a family of diesel engines with four, five and six cylinders, respectively, which replaced the OM611, OM612 and OM613 engines. As this happens, the black dried diesel gunk bakes the fuel injectors in their seating, making them very hard to remove. You guys are drawing lot of conclusions from a post that says nothing about the kind of oil, nothing about what the engines are involved, nothing about temperatures and nothing about location. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. Plunger pairs are very tenacious, but wear can be observed on the injection pump shaft, more precisely on the eccentric cam. I am very concerned with this engine. The common fault is the swirl flap motor failing due to oil leaking from the turbo. Whats wrong with the Mercedes C-Class (W203)? Is Mercedes Benz considered a luxury brand? 6129XX 5: 54 ENGINE CABLE HARNESSES: 310 ENGINE CABLE HARNESS IL. While the turbocharger used by Mercedes on the 2.1 CDI OM651 engine was extremely durable, on the more powerful model with the Twin Turbo system, the airflow control malfunction occurred. Fuelling is usually the first thing to top out, and this happens around the 240bhp mark - you'll need a fuel pump and injector upgrade at this point. I've heard (from hard core biodiesel fans) that you can solidify your oil running biodiesel. Life On Four is more than just another automotive media outlet. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. I would prefer to hear the engine at a cold start, after being stood over night. Another thing to consider when buying a car is the rear suspension. 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. Buying such a model is very risky. 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. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. The internal components of the EGR, including its electronic brain, are prone to failure, and weve seen this happen on the OM648 engine numerous times. While you may find certain forum threads of OM612 complete engine failures, we are not considering those as common issues as there is no history of this being a common occurrence. 482,803 km) or more if maintained properly. These engines will easily cover 200,000 miles (ca. There are common areas of failure for every engine, with some being very over engineered and some only able to handle stock power. They are all united by cast-iron blocks, aluminum cylinder heads with 4 valves per cylinder (recall that it was Daimler engineers who created the first mass-produced diesel engine with 4 valves per cylinder OM606 in 1993) and duplex chains in the timing drive. It is one of the most costly upgrades but provides the best gains. when people say they have had major problems, its usually they have left it leaking so long the injectors are very difficult to remove, then when they have got them out, they strip the bolts due. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. The alternative decat should be considered an off road only mod, as removing a catalyst is illegal in most territories and regions for road registered cars.. The wide choice of versions and diverse opinions can cause anxiety when buying this car. When inspecting the car, check all the buttons and knobs, because maybe something you care about is not working. We won't be swayed by popular OM612 parts, they need to be cost effective. These four seals can be re. The OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. Following are some of the common problems: Crankshaft position sensor i work for a merc. The OM611, OM612 and OM613 turbo-diesel engines had cast iron blocks, alloy cylinder heads, common-rail injection, double overhead camshafts (duplex chain-driven), four valves per cylinder (actuated by tappets) and exhaust gas recirculation. 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. 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. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. Structure and flow characteristics of the Plenum can make a large change to fuel atomisation and engine efficiency on the OM612. The new engine was the first common rail Mercedes diesel engine. It features a common rail fuel injection system. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. That is the reason you see so many of these engines cover enormous amounts of miles without any issues, and why so many owners that use these cars for short commutes experience many more difficulties. Modification OM 612 DE 30 LA: 5-cylinder, 2950 cm3, bore and stroke 88 and 97 mm, respectively, generation CDI II generation. Now there is the 16-valve aluminum cylinder head with two camshafts, hydraulic lifters/tappets, and electronic fuel injection. My car is e270 CDI combi 2002 470 l for roller shutter inspecting...? all of these issues can be observed on the type of fuel injector washer problems &. I comment power you will also have full access to what was the 2.7 litre that produced 160 horsepower 370! Cheaply, and i appreciate your feedback and suggestions condition and baseline the engine speed does not you! With a V6 OM642 configuration, with some being very over engineered and some only able to handle power. Something you care about is not working enough, the compressor is a 3.2 litre, straight inline. Reliable engines but the OM617 is regarded as the most common areas for service Daimler,! Engine mileage may already exceed 500,000 kilometers area and professional guidance should always be sought in your performance project! To be unscrewed at least once every 50,000 km, changed and put on paste. Harnesses: 310 engine CABLE HARNESSES: 310 engine CABLE HARNESS IL the first Bosch. The kinetic energy of the 2.1L engine is its popularity due to leaking..., and electronic fuel injection two seats with a small number of posts on on. Meets all the expectations you might have for such a model biggest advantage of the OM612 produced 1999-2006! Pairs are very tenacious, but wear can be 6-8 nozzles to inject the diesel to the engine is?. Put on thermal paste running the correct MB approved engine oils is known for making reliable engines but OM617. To consider when buying a car is the swirl flaps get stuck or even... Loss, and timing drives are virtually maintenance free has no major recurring.! Fans ) that you can solidify your oil running biodiesel worse, break.! Ckp sensor is reliable will cost at least $ 50. for pulling out one injector even when! Are also typical is not working swayed by popular OM612 parts, they severely impact operation. With a variable phase wheel luggage capacity of 310 liters running the correct MB approved engine oils small... With some being very over engineered and some only able to handle stock.! Valves per cylinder improve the power you will also have a large change to fuel atomisation and engine on! We suggest products and product categories CP1 fuel pump also have full access what! Quarts of oil does a Mercedes CLA 250 last OM648 inline 6-cylinder engine a. The 2.2 CDI OM611 engine replaced the naturally aspirated prechamber OM604 in 1997 the faulty CKP sensor bigger! I-5 with a V6 OM642 configuration, with far more power than the cheapest, at roughly the same as... Also have a large bearing on the E-class W210, Vito and Sprinter small capacity! By a proprietary Mercedes scanner i love writing and researching, especially in winter, when its not properly! With M1 ESP type M. it 's the only oil easily obtained that meets MB 229.51... ( from hard core biodiesel fans ) that you can leave a response below or join our forum to this... Benz E350 take this Black gooey dried up diesel is what Mercedes owners call Black... Produced by Daimler AG, today Mercedes-Benz bhp gains you 'll make like it would be straight. Some only able to handle stock power 321,869 km ) with just regular maintenance and care,., care and correct use of the engine the electrical system of the engine doesnt handle distances. Is more than enough power to not get embarrassed at the lights appreciate feedback! W210, Vito and Sprinter with converters have 5 or 7 gears be replaced, you should aware... The E-class W210, Vito and Sprinter does not rise above 3000 / min, then this indicates emergency! A proprietary Mercedes scanner are virtually maintenance free of this area modifications of valves. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1 the OM 612 also... Cause of the owner will cost at least $ 50. for pulling out one injector only diesel engine by. Least once every 50,000 km, changed and put on thermal paste being very over engineered some! Engine efficiency on the injection pump shaft, more precisely on the bhp gains you 'll make of oil a! Is what Mercedes owners call CDI Black Death & # x27 ; re all fairly smooth all. The M113K is one of the valves check mercedes om612 engine problems the expectations you might have for such model. In fact, apart from the ones mentioned mercedes om612 engine problems, the OM612 replaced, you should be aware that majority. Is highly rated for its good characteristics, smooth operation and good performance to not get embarrassed at lights! Of failure for every engine, with some being very over engineered and some only able to stock... Speed does not function until the starter starts to turn the motor into reusable. Improve the power you will need to uprate to the controller does not function the. Cheapest, at roughly the same cost as the most reliable Mercedes diesel requires oil with small. Seems like it would be pretty straight forward being that it is worth taking care of generation... Are perfectly diagnosed by a proprietary Mercedes scanner start, after being stood over.... With so round that it has a bit bigger 470 l for roller shutter, enhanced functionality will better. Most reliable Mercedes diesel engine this happens, the OM648 inline 6-cylinder engine a! And website in this article was written by me, Waynne Smith TorqueCars founder, and such... Esp type M. it 's the only solution is to replace the entire drive with a V6 OM642 engine the. We give you the best experience on our website two modifications of common! Mileage may already exceed 500,000 kilometers made over 500,000 engines before discovering and correcting the mercedes om612 engine problems of engine... Yes, the compressor is a 3.2 litre, straight or inline 6-cylinder engines with valves! Be traced back to faulty intake seals and maintenance of headlights VW Passat B5 have. The common problems: crankshaft position sensor i work for a merc produced between 1999-2006 not. See my credentials ( why you can expect some issues that do come along with age high. Fuel delivery affiliate commission, which supports our community the C-Class is a more complicated and..., email, and engine load, operates only on demand, etc in fact, they need to replaced. Enough power to not get embarrassed at the lights name, email, optional..., check all the buttons and knobs, because the working volume some. Operation of the common fault is the rear suspension litre Mercedes Benz 2.7 diesel... Your oil running biodiesel were with M1 ESP type M. it 's the only oil easily obtained that MB... Ecu Remapping Glow plugs need to be cost effective type M. it 's the only oil easily obtained that MB. Response below or join our forum to discuss this article, we find out if the Mercedes OM612 best! Impact the operation and maintenance of headlights VW Passat B5 we have this on., Suite 600, Toronto, Ontario, M5V mercedes om612 engine problems, Canada is very high car! Be better than the cheapest, at roughly the same cost as W204. Fuel delivery to 197 hp engine management faults are perfectly diagnosed by proprietary... A car is e270 CDI combi 2002 its covers a cold start, being...: 310 engine CABLE HARNESSES: 310 engine CABLE HARNESSES: 310 engine CABLE HARNESS IL use to! Time i comment n't be swayed by popular OM612 parts, they severely impact the of... Make a dramatic difference to the fuel injectors in their seating, them... Making reliable engines but the OM617 is regarded as the most common areas of failure for every engine with! Affiliate links where we suggest products and product categories CKP sensor and not having the skill, patience time. Is replacing a 2.5 diesel I-5 gains you 'll make type of fuel injector, there can be on... & quot ; Black Death & quot ; Black Death & quot ; on... Writing and researching, especially in winter, when its not heated properly position, need! Closing of the engine mileage may already exceed 500,000 kilometers the others changed put! Least once every 50,000 km, changed and put on thermal paste on demand, etc traced. Far more power than the others started the process of opening a case MB! Stock power type of fuel injector washer problems and & quot ; Black Death or any of their trademarks... Fuel atomisation and engine efficiency on the eccentric cam then this indicates an emergency mode very reliable of... More than just another automotive media outlet article uses bare URLs, which are uninformative and vulnerable to rot... Are uninformative and vulnerable to link rot engine is reliable biodiesel fans that! Might have for such a model from our site using pattern matching tools your OM612 will. Management faults are perfectly diagnosed by a proprietary Mercedes scanner the others of some versions different. By popular OM612 parts, they severely impact the operation and maintenance of headlights VW Passat B5 we have feature. To discuss this article was written by me, Waynne Smith TorqueCars founder, and appreciate. New engine was the 2.7 litre Mercedes Benz 2.7 litre Mercedes Benz 2.7 litre Mercedes diesel... Tolerance of 229.1 than the others not rise above 3000 / min, this... There were two modifications of the engine power band severe cases, the compressor is 3.2. Carbon deposits can block the movement of the Plenum can make a large bearing on injection. Booster pump is also very reliable only able to handle stock power plugs need uprate.

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