2004 Mercedes-Benz ML350 Service and Repair Manual

This factory service and repair manual for the 2004 Mercedes-Benz ML350 covers two trims, Base and Special Edition, both built on the four-door sport utility body. Underneath either one sits the same gasoline 3.7L V6, a naturally aspirated engine with single overhead cams. The manual supplies the torque values, fuel system specifications and engine wiring diagrams for that engine in either trim.

Engines covered

• 3.7L V6 — SOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sport utility

Trims covered

• Base
• Special Edition

Known issues on the 2004 ML350. NHTSA filed one recall against the 2004 M-Class line. It covered certain vehicles whose power steering cooler hose clamp might not grip the connection tightly enough, letting fluid seep out, which can wear down steering assist, ruin the pump and lead to a loss of control. Thirty-three complaints name the 2004 ML350; steering leads with 6, air bags follow with 5 and the electrical system has 4. Three complaints reported a crash, 3 a fire and 3 an injury. Steering hydraulics, air bag diagnostics and electrical wiring diagrams are covered here with procedures and specifications.