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M104 Head Gasket Replacement
This article is a reference for replacing the head gasket on a Mercedes Benz M104 engine equipped with the HFM injection system. Certain details may be specific to M104 implementations in a W124 sedan chassis.
| Time | 10 hours |
|---|---|
| Cost | |
| Difficulty | |
| Parts Required | |
| Applicable models | All HFM injected M104 engines |
Preparation
- Disconnect battery
- Drain oil
- Drain coolant
- Lift and support front half of car to access exhaust system from underneath