mercedes om612 engine problems

mercedes om612 engine problems2022/04/25

In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. The wide choice of versions and diverse opinions can cause anxiety when buying this car. Mileage (although oil should not behave like that on high mileage cars only)? filed under Mercedes. It is a unit where different opinions can be found or heard. Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. Then you will pay about $500 for parts alone. It also has the same problem with oil leakage as the M111. Choosing a higher performance camshaft profile raises the power band accordingly. We have tips on removing carbon build up. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. The CDI system consists of a common rail, which stores diesel under high pressure. Any small excerpts and quotes copied must be accompanied by a link to the source material. Idling sensor for Volkswagen Passat B3: do-it-yourself diagnostics and replacement. It wasn't even a hot summer. Life On Four is more than just another automotive media outlet. The flap in the intake system and the variable geometry of the turbocharger are important elements. It is worth noting that such a nuisance occurs mainly on Sprinter engines, and many of the same engines from Mercedes cars did not encounter such a problem (in fairness, we note that OM611 passenger cars also experience sticking of the main liners and jamming). *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.). A bit hard to know whether the oil in an engine meets the MB229.51 spec nor when it was replaced last. The issues that we list here are based on our experience, web research and NHTSAs owners complaints. 1. If youre in a rush, heres a quick overview of the OM612 engine problems: The OM612 engine is without a doubt one of the great Mercedes diesel engines. Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. Diesels. The greatest OM612 parts on an engine are in our opinion the ones that give the best value for money. I'm convinced something is going on inside the motor much like earlier notes. 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. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. I do mostly highway, but around town trips are short. How much and is it worth buying a Mercedes C-Class (W203)? Here is a quick summary of the contents. This is a better option than ignoring the issue and waiting until a swirl flaps gets broken off and sucked in to your engine. 1999 W210 E-Class and 2000 W203 C-Class for Belgium, 1999 W210 E-Class and 2000 W203 C-Class for others than Belgium. However, I dont think its worth buying this model for as low as $1500-$2500. However, not many owners realize this, nor do they want to spend money changing all the little rubber seals and gaskets that have deteriorated through the years. The crankshaft of the 2.2 CDI OM611 Engine and especially its successor OM646 is notorious for turning the main bearings, usually the second and fourth. High mileage OM648 engine problems. It was also installed on the E-class W210, Vito and Sprinter. The car fails the most with its anti-corrosion protection and faults. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. Testing the glow plug separately is a must. 6129XX 5: 54 ENGINE CABLE HARNESSES: 160 ENGINE CABLE HARNESS IL. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. Save my name, email, and website in this browser for the next time I comment. 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. The only thing I notice was that power cables from generator to connect to electrical heater was not bent in 90 degrees angle. 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. Why word? Which is better, the newer V6 OM642 engine or the older l6 OM648 engine? 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. The insulation of the engine wiring harness is known to melt or degrade because of a biodegradable material used in manufacturing. More power needs more fuel. In Tips for motorists. 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. 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. Turn on the engine and inspect the filter for any leaks. 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. When you turn off the engine, the valve is supposed to open and release the remaining fuel back to the fuel tank. 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. As befits a Mercedes comfortable. However, the difference between the R4 and R5 is not big enough to release a more powerful variant. The engine keeps on turning until the battery is dead. 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. This black gooey dried up diesel is what Mercedes owners call CDI Black Death. The blow by contains unburnt fuel and it mixes with the oil. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. 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. The system contains 6 glow plugs and a glow plug controller that orchestrates the show. Problems with the throttle and pneumothorax are also typical. 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. Track day insurance Built with a streamlined idea in mind, so its smaller and loads more. Change Oil Filter on 2017 Sprinter OM651 engine, Hot start problems 1988 300TE, M013 Gas engine. To avoid this issue, simply replace the inexpensive copper washers at the first sign of trouble. Here, careful verification is important. A faulty MAF sensor on the OM612 engine will lead to rough starting, erratic idling behaviour, engine stalling after starting, overall erratic engine behaviour and even black exhaust notes due to rich air/fuel mixture. This is very similar to the symptoms here. Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. 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. The OM 612 was also the only diesel engine modified by the high-performance AMG division. 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). Manage Settings Their pistons are exactly the same. Compare: 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. OM602 engine pdf manual download. Less risky in the petrol version than in the W204 successor. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. Tuning the Mercedes OM612 and best OM612 performance parts. Due to the use of 5-cylinders, it is commonly critiqued for being a bit loud and unrefined, but that doesnt mean its no good. Your email address will not be published. Tips for N54 Tuning See further information and configure your preferences. Please drive sensibly we do not endorse reckless driving. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. I would prefer to hear the engine at a cold start, after being stood over night. Here is a full breakdown. Simple! This entry was The modified OM612 was a 3.0-litre engine and produced 230 horsepower and 540 Nm of torque. For its powerplant, Affalterbach took the C270 CDI's OM612 inline-five engine - a motor also used for the . We deliver enhanced functionality for your browsing experience by setting these cookies. How to put a Mercedes Benz in neutral without a key? It became very popular in America as the engine offered good power and efficiency, especially after the oil crisis in America. He made his debut on the C-class W202 in 1998. offers great performance. 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. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. Usually the cause of the "accident" lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. Required fields are marked *. Well tell you all about as we continue. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. The fuel isn't the issue, it never was. Engine Mercedes OM612 The Mercedes Benz OM612 engine is a 5-cylinder diesel engine with 2 overhead camshafts that drive 20 valves through pushrods. 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.. 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. Tips for N55 Tuning, Diesel tuning However, the compressor is a more complicated component and therefore a bit more emergency. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. Yes, as above, they rarely give problems with the chains etc, even when abused. 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. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. 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. Common Mercedes OM648 Engine Problems. Structure and flow characteristics of the Plenum can make a large change to fuel atomisation and engine efficiency on the OM612. Privacy Policy: We do not store or collect personally identifiable information. Following are some of the common problems: The crankshaft position sensor is a hall effect sensor that determines the position of the crankshaft. See also. What was the commercial name of the OM612 engine? Which Mercedes Cars Have the OM612 Engine? If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. For a better experience, please enable JavaScript in your browser before proceeding. Our advertising partners also use cookies. styling and friendly car banter. Classic cars with converters have 5 or 7 gears. Please watch this video and subscribe to my YouTube channel. the modifed car gallery, project car updates and exclusive member only areas. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. 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. You already know how this must feel when its pulling, right? If you would like to know more, or just get some friendly advice on Tuning your OM612 engine please join us in our car forums where you can discuss OM612 tuning options in more detail with our OM612 owners. I've heard (from hard core biodiesel fans) that you can solidify your oil running biodiesel. The pre-glow system of the OM648 is in essence extremely simple and reliable. Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability, Specifications Of The Mercedes 2.2 CDI OM611 Engine, Modification: OM611 DE 22 LA red. 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. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It may not display this or other websites correctly. 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. Replacing the engine harness is neither simple, nor is it cheap. Whats wrong with the Mercedes C-Class (W203)? The most common problem with EGR valves on the OM612 engine is leaking. I'm not sure what the diagnosis is. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. This is not the coolest tolerance, but you should not neglect it. 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. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 482,803 km) or more if maintained properly. You dont want to experience that, trust us. is around 550 lbs or 250 kilograms. Adding a supercharger or additional turbo will make large torque gains, although harder to configure. Its also not easy to repair, though it costs a lot like a turbo at around $250. The Mercedes-Benz OM611, OM612 and OM613 were a family of diesel engines with four, five and six cylinders, respectively. Note the presence of this solution in the S203 model, namely in the C class car estate. The petrol engine is the smallest M271 with a capacity of 1.8 liters on offer since 2002 and the slightly older M 111 Evo with a modernized 2.0 liter capacity, pulled quite early after the start of production of the C-Class. 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. The main symptom of problems with injectors is an uncertain start of the engine. Therefore, Mercedes Benz diesel engines are the best engines. Modified Car insurance 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 good news is the high durability of the timing chain and the resistance of this engine to torture. Following are the models that used the OM612. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. The 2011 Dodge Durango is powered by a 290 horsepower 3.6-liter V6 engine. You are using an out of date browser. Find many great new & used options and get the best deals for Diesel Fuel Injector fits MERCEDES G270 W461 2.7D 03 to 07 OM612.966 Nozzle at the best online prices at eBay! Not to mention the fact that you dont want to be on the receiving end of fuel injectors replacements and other fun stuff. Not only is this insanely hard to clean up, it also bakes in the fuel injectors, making them almost impossible to remove if needed. 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. Another thing to consider when buying a car is the rear suspension. 5-Cylinder Diesel Engine, 6-Cylinder Diesel Engine. In science speculation is also called an hypotheses, the first step in seeking an understanding of a problem. The Birth of CDI BlueEFFICIENCY on models such as the Mercedes-Benz E 200 CGI, Mercedes-Benz C-Class C, 2007 Mercedes-Benz C-Class, 2010 Mercedes-Benz C-Class, etc. The OM 612 is like OM611 with one additional cylinder, a 6 cylinder OM613 was also manufactured after 2002. If you are developing a track car this doesn't matter as you are in the high end of your RPM range anyway and that is where you want the power to be. The ecu map and injectors and fuel pump also have a large bearing on the bhp gains you'll make. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. Customize a car Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. Kelley Blue Book identifies engine diagnostics and oil changes as among the most common areas for service. Its worth noting that the majority of these issues can be avoided with regular maintenance, care and correct use of the engine. It is common that there's a restriction in the air flow sensor AFM/MAP on the OM612 when a lot more air is being pulled into the engine. The Mercedes OM602 engine is a 5-cylinder diesel engine of 2.5 or 2.9 L (2,497 or 2,874 cc). They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. Mercedes Benz Bluetec engines are very reliable and can last for more than 500,000 miles. Read more here! A number of OM612 owners experience problems with the engine harness. Lets find out whos right! 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. Finding a faulty MAF sensor on the OM612 engine is no surprise. The posted views of our members are in no way the views of MBClub.co.uk or its owners. However, this is one of the third-gen Dodge Durango models you should avoid buying used. Limp Mode? There's a mod to remove this. I bought it used one year ago with 16k miles. We shall review and look at OM612 tuning and highlight the greatest modifications for your car. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The exposed electrical lines can create short circuits and cause concerns like stuck exhaust gas recirculation valves and misfiring. 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! How to reset assyst plus in Mercedes Benz? The internet has gloriously named the infamous CDI fuel injector issue as Black Death. 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 difference cuts in at motorway speeds where the mid range punch starts to show. 1 Some help? The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. Read more about us. Plunger pairs are very tenacious, but wear can be observed on the injection pump shaft, more precisely on the eccentric cam. The engine is turbocharged and intercooled. Thats usually not the case. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. The 2.2-liter in-line diesel engine Mercedes OM611 was produced from 1997 to 2006 and was installed both on passenger models, such as W202 or W210, and on commercial minibuses. We use essential cookies to make this site work, and optional cookies to enhance your experience. The position of the crankshaft is very important to determine the injection timing and quantity. guide on common Mercedes engine problems! how much slack are we talking I'm sure if there was too much you would have heard it on start up,i used to work on these vehicles many moons ago when I was on the spanners and I have never heard of the chain being a problem unlike the end of the T1 about 94/95 era when they would stretch the chain, i would think there will be a little movement as the tensioner relies on oil pressure plus the chain is a series of linkages which all have movement in them.

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