1996 Mercedes-Benz S420 Service and Repair Manual

This factory service and repair manual for the 1996 Mercedes-Benz S420 concerns a sedan built around a single V8. Its engine is a 4.2L unit, DOHC, naturally aspirated and gasoline-fueled, fitted to a four-door sedan in Base trim. The manual covers engine, transmission and driveline, brakes, steering and suspension, and the climate and electrical systems.

Engines covered

• 4.2L V8 — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base

Known issues on the 1996 S420. The one complaint recorded for the 1996 S420 touches three areas at once: the electrical system, the steering and the visibility equipment including wipers. NHTSA logged six complaints against the 1996 S-Class line, two involving the engine and engine cooling, one visibility and one electrical. Steering procedures and specifications, wiper circuit wiring diagrams and electrical diagnostics line up with those reports, along with cooling system torque values.