Repair Procedures

Step-by-step guides with detailed instructions, photos, and torque specifications

All Maintenance Engine Drivetrain Electrical Brakes Suspension HVAC Body Fuel System

Difficulty:beginner intermediate advanced professional Clear

Fuel Systemintermediate60

OM651 Main Fuel Filter Remove/Install — NCV3

Workshop-style remove-and-install procedure for the main fuel filter on Mercedes-Benz OM651 four-cylinder diesel engines fitted to the NCV3 Sprinter (Model 906) and late T1N (Model 900). Covers click-clamp removal, condensation-sensor handling, the installation arrow, and the leak-test run.

Fuel Systemintermediate60 minutes

Fuel Filter Service — Mercedes Sprinter Model 907 (OM642)

Replace the in-frame diesel fuel filter on the OM642 to prevent injector wear, improve cold-start behavior, and keep the high-pressure fuel system clean. Includes priming and air-bleed steps.