Engine

Replace the electric EGR valve on the OM646 four-cylinder NCV3 Sprinter. Covers coolant draining, intake-pipe removal, the four EGR-valve bolts, the new gasket and O-ring, the cooler-to-valve seal, electrical reconnection, and the post-install adaptation reset.

Replace the engine air filter on the OM642 NCV3 Sprinter to protect the turbocharger, restore power, and improve fuel economy.

Replace all 6 glow plugs and the glow plug control module (GPCM) on the OM642 3.0L V6 CDI. Failing glow plugs cause hard cold starts, white smoke on startup, and misfires. Always replace as a full set - never individual plugs.

Workshop-style remove-and-install procedure for the OM642 exhaust gas recirculation positioner (Y27/11) on the NCV3 Sprinter Model 906. Covers coolant pressure relief, hose clamp-off, EGR positioner removal, sealing-ring replacement, the 8 Nm valve-to-housing torque spec, and the post-install leak test.

Step-by-step guide for changing the engine oil and filter on Mercedes OM642 BlueTEC diesel engines found in 2007-2018 Sprinters.

Workshop-style 34-step remove-and-install procedure for the OM651 exhaust gas recirculation positioner (Y27/15) with bypass flap on Sprinter Model 900 and NCV3 Model 906. Covers coolant drain, EGR cooler and charge-air-distributor removal for access, fuel-hose disconnection at the high-pressure pump, the ZU7/ZU8 USA/Canada shield variant, and all torque specs.

Replace the serpentine belt on the OM642 NCV3 Sprinter to prevent unexpected breakage that can leave you stranded.

Replace the OM642 water pump - a known failure point at 80,000-150,000 miles.