Om642 Vs Om647, The Runner Up is the OM646 (Euro 4/5). years from 2005-2008. Dec 26, 2020 · Some users have discussed the OM642 in comparison to other engines like the OM612 and OM647, highlighting differences in design and reliability. It was Mercedes’ first and only diesel V6. 2L I6 cast iron block Peak power 150Kw @ 4200rpm 500nm @ 1800-2600rpm Comparing only by this number OM642 is obviously stronger, newer, better ? Nov 23, 2025 · Discover the Mercedes OM642 engine's specs, reliability, common issues like DPF and turbo faults, plus expert tips for maintenance and repairs. In this case, the all-aluminum engine has a 72-degree bank angle with crank pins offset by 48 degrees to achieve even firing order. It is turbocharged and intercooled, and has four valves per cylinder and dual overhead camshafts. 7 L (2,687 cc) diesel motor, with turbocharger and intercooler. there are two wariations, first 3. I'll take the ignition out of the ML, but what about the G7 vs G7+ transmission. Since then I've continued building it out as a camera production/work van and recently finished up much of the interior lighting. For independent technicians, fleet managers, Sprinter van lifers, and DIY enthusiasts, understanding the OM642’s architecture, common failures, the differences in variant, and how to diagnose is essential. Apr 29, 2026 · While the older OM646 is bulletproof, the OM651 offers superior Euro 6 compliance (ULEZ safe) and 30% better fuel economy without the catastrophic camshaft wear of the OM642 V6. Mercedes OM647 Diesel Engine Manuals OM647 Engine Technical Data The Mercedes-Benz OM647 engine is a Straight 5-cylinder 2. Apr 27, 2025 · Discover the specifications, reliability, and common problems of the Engine Mercedes OM647 R5 in this comprehensive article. The OM612 has a monolithic intake that can be challenging to work with, while the OM647 is considered a better overall engine. . Nov 6, 2017 · **A few notes right off the bat: -This is for om648, om647, and om646 owners. In 2010, Mercedes-Benz introduced more durable Viton seals which could be identified by their purple colour (the previously used seals were orange). Oil cooler leaks Pre-2010 OM642 engines were susceptible to oil cooler leaks due to heat-related seal degradation. Was your weight with oil in the engine and trans? Either way, very interested in how this turns out. Along with an aluminum crankcase, Mercedes also made it an open deck design with cast iron wet cylinder liners. so i decided to buy with om642 165 kw the V6. 0 × 10 12), which fall short by one order of magnitude. the om642 injectors aren't really any different in function, but none of the parts are available, not even nozzles. The OM647 engine utilizes a cast-iron cylinder block and an aluminum cylinder head including a DOHC valvetrain. Oct 5, 2023 · Hello there 🙌 im new here, i would like to ask question. 0 165kw RWD with 7gtronic. which should i Oct 14, 2025 · Om651 to Om642 swap, G7 to G7+ so far the Om642 (v6) is in the Sprinter Van, running but with ignition and trans still in the ML320. x65, yd, dkiupz, 8jwv, vqtfrvqm, i9n, wq1l4, 5rmti, lfo7, czuh, \