It held its own against its larger brothers, too, like the venerable 3.0L OM642. The size of bore and shape and rate of flow of the Intake headers can make a large difference to to fuel mixing and power on the OM654. Help us improve, leave a suggestion or tip. The latest trends in engine designs have focused not on power, but on reducing internal inefficiencies like airflow and friction. Mercedes OM646 Tuning "All you need to know about tuning the Mercedes OM646 engine!" Safety mods In 2016 Mercedes launched a new family of diesel engines and the first version was a 2-liter four-cylinder OM654 debuted on the latest generation E-Class in 2016. The most drastic change made to the OM654 is the literal flip-flopping of engine materials. Pioneering work: DTE Systems optimizes the new SENT engine generation of Mercedes-Benz in the E 220 d. The new tuning box PowerControl SNT delivers more force and acceleration for the latest Mercedes E 220 d: With increased power and torque the new four-cylinder diesel in … However, the gap between the testing protocol and “real-world” driving has proven to be very large. Fast road cams usually boost the bhp and torque throughout the rpm range, you might lose a little low end torque but the top end will be lifted. 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. Plus, steel pistons expand less than aluminum pistons, so the play/gap between the piston and cylinder wall could also be tightened, allowing better combustion effici… Stick to 1.5 to 2.5 inches as a rule of thumb. Come già accennato, il motore OM 654, allo stato attuale, è declinato su diversi livelli di potenza: In conclusione, con questa unità, Mercedes-Benz conferma il suo ruolo pionieristico e di spicco nello sviluppo della tecnologia dei motori Diesel dimostrando che esistono ancora margini di miglioramento per questa tipologia di propulsori a combustione interna, sia dal punto di vista del rendimento, dei consumi che delle emissioni inquinanti. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. We accept no responsibility for damage caused due to following a recommendation made on this site or in the forum. We have tips on removing carbon buildup. Traditionally the engine block would be made from cast iron, while the pistons were aluminum. Herein we examine OM654 tuning and provide tips on the premier modifications. Motorsport cams, boost the top end band but as a result the car will not idle smoothly and low end power nearly always suffers. Chevrolet Cruze Diesel Air Filter Change (Gen 1), View UCMVzltu6p5DRD06LHYfJA2A’s profile on YouTube, Mercedes Announces Diesel Plug-In Hybrids – The New Frontier? Please drive sensibly we do not endorse speeding or racing on the public highway or driving recklessly or in a manner than could endanger life or property. The best OM654 upgrades on an engine are usually the ones that give the biggest return for your cash. Intake carry the air from the air cleaner and allow it to be drawn into the engine cylinders with fuel for the squish phase. of each modification. Common exhaust restrictions are in the filters installed, so adding a better flowing performance alternative will help avoid this restriction.