1994 Mercedes-Benz S320 Service and Repair Manual

This factory service and repair manual for the 1994 Mercedes-Benz S320 covers the four-door sedan in both of its listed trims, LWB and SWB, which share one engine: a 3.2L inline-six fueled by gasoline, breathing naturally through double overhead cams. The manual gives engine, fuel, ignition and cooling procedures for that powertrain, along with chassis, brake and body electrical service for the sedan.

Engines covered

• 3.2L inline-six — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• LWB
• SWB

Known issues on the 1994 S320. One owner complaint is logged for this car, and it touches the interior lighting, the electrical system and the air bags. NHTSA logged 12 complaints against the wider 1994 S-Class line, all involving the electrical system and one also citing the suspension. That pattern points to the body electrical system, where wiring diagrams and diagnostics support tracing lighting and air bag circuits, alongside the suspension procedures, specifications and torque values.