Considering the already significant design advances, the richness of electronics, the high failure rate, the condition of the body and chassis, I believe that there are better and cheaper to maintain cars of this class from 20002003 on the market. This is not the coolest tolerance, but you should not neglect it. The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. 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. At the turn of 2009 and 2010, 4.5 thousand vehicles with faulty injection systems were sent to service every week! As that happens, the blow-by from an engines crankcase is no longer being routed back to the combustion chamber of the engine, instead it stays trapped in the engine, dirtying up everything in its way, including the intake manifold. Symptoms of failure are turning on emergency mode while driving, or the engine stopping. And as if that werent enough, the timing chain drive isnt very durable. The best AMG engine is a 6.2-Liter V8, fitted in the 63. In 1999, versions with 115 and 143 hp appeared, and three years later - a new generation 2.1 CDI with the designation OM 646 and power of 122 and 150 hp. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. Please drive sensibly we do not endorse reckless driving. Bosch electromagnetic devices can be repaired for 80-108 dollars. However, the compressor is a more complicated component and therefore a bit more emergency. In the late nineties the situation changed. Here are some of the engine codes for the W204: 1.6-liter M274 I4 engine - M274.910, M274.920. OM602 engine 2.3. Well, the drive is located on the side of the gearbox. The cylinder head has been redesigned to provide even more efficient engine cooling. Despite the good attitude of the German brand, it quickly turned out that the problem was enormous. The more powerful version of the engine uses piezo injectors Delphi. (OM611) Engine Specs, Problems, Reliability. Technical Data. These Mercedes Engines Won't Last 100,000 Miles!Mercedes Benz are absolutely amazing luxury cars, but there are some engines that could cause you some pretty. The compression ratio is reduced to 16.2: 1. We love hearing about our website visitors projects, especially the mods done and which work best for you on your car. JavaScript is disabled. In order to rectify this problem you will need to take the car to a mechanic as the engine will need to be . OM646 engine is sold under the 200 CDI and 220 CDI designation and meets "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. The durability of the structure itself is very high. It depends on the approach to the car. The biggest advantage of the 2.1L engine is its popularity. 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. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. Find a mercedes benz private on Gumtree in Walsall, West Midlands, the #1 site for classifieds ads in the UK. The intake manifold on the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at low speeds. Ignoring the issues with the OM651 CDIs more powerful 2.1 CDI diesel version injection system doesnt close the list of shortcomings of the Mercedes engine. The engine was offered in five power variants. Replacement needed. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. Jump To Article. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. W204 Engine Codes. 125 kW (170 PS; 168 hp) @ 3,800 rpm 400Nm (295lbft) @ 2,000 rpm, 20062009W211 E220 CDI These four seals can be re. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. - Coolant leaks. When inspecting the car, check all the buttons and knobs, because maybe something you care about is not working. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. To improve engine starting, ceramic glow plugs began to be used. The new nozzles are made with a smaller nozzle size, which improves atomization efficiency. If you want less trouble, look for the RWD variant. Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. The Mercedes-Benz OM 646 is a four-cylinder diesel engine with two overhead camshafts that actuate the 16 valves via hydraulic tappets . Thats why I compiled the list above in this way. AMG vehicles from 2007 to 2014. It also has the same problem with oil leakage as the M111. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. One of the most notable features of the Mercedes C200 is its engine. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. Their strength, however, is simplicity and lack of effort. Then you will pay about $500 for parts alone. Make sure you dont drive these cars on an empty fuel tank (because the DPF regeneration wont be triggered) and only for short distances. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. Customize a car If an engine is turbocharged, upgrades are going to net you a larger power gain and most turbocharged engines are built using more solid components. 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. The first versions of the 2.2 CDI OM611 Engine were equipped with a wastegate turbocharger. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. Thermostat to open already at temperatures of 45 degrees. General description. A number of solutions included in the TwinPulse name are used. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. The swirl flaps can also get stuck due to excessive carbon accumulation in the intake manifold. The damage can also be brought upon crankshaft with oil dilution issues. Replacing the timing chain is no more expensive than the belt on a typical car of this class. Jan 27, 2017. It seems to me that bolting the turbo and cat to the engine unit is more for economy of manufacture, and in fact has been done at the expense of both longtivity and maintainability. Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. On this Wikipedia the language links are at the top of the page across from the article title. Its even worse when you have to replace the entire drive with a variable phase wheel. So please pay attention to this article. The W203 will be better than the cheapest, at roughly the same cost as the W204. TorqueCars will provide a guide to OM646 tuning and outline the best modifications. Modified car insurance Whats wrong with the Mercedes C-Class (W203)? In addition, during operations, especially in cities, the DPF itself often clogs up. Specifications Of The Mercedes 2.2 CDI OM611 Engine. There is a choice of rear-wheel drive variants and the classic 4Matic with a transfer case, with the axle out to the front axle. This one can also stretch pretty fast. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. Although it worked fine initially, in most cases there were problems with shifting gears after many years. It debuted shortly before the advent of this generation of C-Class. Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. The black tar that accumulates is often referred to as the CDI Black Death. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. Basically, the engine has no typical faults, but the typical consequences of years of use and neglect (leaks, dirt, less frequently stretched timing chains) are encountered. Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. Light and compact, yet almost completely trouble free with proper servicing. 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. Electronic component failure doesnt really matter, although it can irritate the driver. The third weak point is the variable geometry turbo regulator. The OM 651 is not a revised version of . Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM646 tuning guides which get regular updates and revisions. Problems with the throttle and pneumothorax are also typical. The main goal was to create a common engine design that maximized the parts commonality between the engines manufactured by parent company, Daimler. In short, it is worth choosing a smaller engine than a diesel engine, as it is cheaper to service, and there are no disadvantages such as low head power, although such defects are usually found in larger cars. Learn how and when to remove this template message, "Mercedes Benz reveals new range of four cylinder diesels", "Mercedes C200 CDI estate review | Autocar", "Mercedes-Benz OM646, OM647 and OM648 engines", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_OM646_engine&oldid=1125632978, Articles needing additional references from April 2019, All articles needing additional references, Creative Commons Attribution-ShareAlike License 3.0, 110kW (150PS; 148hp) @ 3,8004,200 rpm, This page was last edited on 5 December 2022, at 01:27. 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. New replacement costs at least $ 405. Engines & Engine Parts; Gaskets, Seals & Hardware; Gaskets & Seals; GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L; See Details on Ebay GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L. The four-cylinder in-line engine is the successor to the OM-646 four-cylinder series and is also intended to replace the weaker versions of the V6 OM 642 engine . It was available with a variety of petrol and diesel engines, including: 1.6-liter M274 I4 engine; 1.8-liter M271 I4 engine; 2.1-liter OM646 diesel I4 engine; 2.1-liter OM651 diesel I4 engine; 2.5-liter M272 V6 engine; 3.0-liter M272 V6 engine; 3.5-liter M276 V6 . [2] In 2006, the engine was updated under the EVO name and replaced the OM647 and OM648 engines. Check our guide on bad fuel injectors to learn more. I advise what to choose and what to pay attention to. On the front, instead of a simple macpher, theres a system with two wishbones on the bottom with non-replaceable pins that arent very durable. 321,869 km) or more. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. And while the parts themselves can be bought at auto stores for as little as $ 135, the repairs are quite expensive. The OM646 engine can be found in various Mercedes models made between 2002 and 2010. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. The main symptom of problems with injectors is an uncertain start of the engine. Chevrolet Cruze - prescribed quantities of engine oil and service, Opel 2.8 V6 Z28 NEL / NET engine - Opel training video, Volvo XC60 - prescribed engine oil quantities and service, Opel Tigra I 1994 - 2000 - Used car, advantages, disadvantages, Bentley Continental GT 2010-2018 Used, Experiences and Common Issues Found, The most frequently and rarely damaged cars in Europe, Bmw X5 F15 2013 -2018 - used, experience, problems, 1.0 TSI engine - history, problems, experiences. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. Buying such a model is very risky. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. The ecu map and fuel pump and injectors also will say much on the torque gains you'll achieve. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. Remapping Diesels The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010. By the way, mechanical compressors called compressors by Mercedes were not a source of trouble or major expenses, like the regular turbochargers in gasoline engines from that period. In a direct comparison with its predecessor, consumption has been further reduced and the engine . Secure dispatch in special transportation case. 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. They've been in almost every Mazda in North America for the last 12 years and nobody ever talks about them - they're like a background noise that everybody tunes out. Proper servicing choose and what to pay attention to engine and its 5- 6-cylinder. The page across from the om646 engine problems title turbodiesel 2.2 CDI OM611 engine were with... 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