Mercedes-Benz M104 3.2-Liter 24-Valve Inline-Six Engine

This Mercedes-Benz M104 3.2-liter 24-valve inline-six engine is offered as a running and maintained example, removed from VIN WDBEA66E0RC029002, and originally paired with an automatic transmission. Known for its smooth power delivery and durability, the M104.992 is widely regarded as one of Mercedes-Benz’s most reliable modern classic engines.

The engine has benefited from routine maintenance and select component replacements over its service life, making it a strong candidate for continued use, restoration projects, or engine replacement applications.

Highlights & Maintenance

• M104.992 3.2-liter 24-valve inline-six

• Running and maintained

• Originally mated to an automatic transmission

• VIN: WDBEA66E0RC029002

• Regular oil changes

• Head gasket replaced in 2004

• Newer service components include:

  • Spark plugs

  • Thermostat assembly

  • Water pump

  • Coil packs

Overview

The M104 3.2L engine powered a variety of mid-1990s Mercedes-Benz models and is respected for its strong mid-range torque, refined operation, and long-term reliability. This example’s documented upkeep and running condition enhance its appeal for both stock replacements and custom applications.

A well-maintained Mercedes-Benz M104 inline-six offered with key service updates already completed.