1998 MERCEDES-BENZ S-Class M119 E50 (V8 5.0L)/M119 E55 (V8 5.5L) (W140)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• V12 timing chain wear
• Electrical system complexity
• Suspension air strut failures

First checks

• Hydraulic suspension condition
• Engine cooling system leaks
• Automatic transmission smoothness

Vor dem Teiletausch

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• Engine and feature availability varies significantly by global market.
• Diesel variants primarily sold in Europe and select global markets.