For sale is a Mercedes-Benz M104 3.2-liter inline-6 engine, part of the well-known M104 engine family. This engine is recognized for its smooth power delivery, durability, and strong performance, making it a popular choice for both restoration projects and daily drivers.

The engine has approximately 120,000km (75K miles) and remains in good working condition with normal wear consistent with mileage.

Performance & Reliability

The M104 3.2L engine features:

• 3.2L inline-6 naturally aspirated configuration

• DOHC 24-valve cylinder head

• Electronic fuel injection system

• Cast iron block with aluminum head

• Smooth, balanced inline-6 performance

Factory specifications:

• Power: ~217–220 horsepower

• Torque: ~310 Nm (229 lb-ft)

The M104 is widely respected for its refined operation and long-term reliability, especially when properly maintained.

Fitment

Fits in:

• Mercedes-Benz C320 (W202)

• Mercedes-Benz E320 (W124 / W210)

• Mercedes-Benz SL320 (R129)

• Mercedes-Benz S320 (W140)

This engine is a direct OEM replacement for vehicles originally equipped with the M104 3.2L motor.

Kit Includes

• Complete M104 3.2L engine assembly

• Intake manifold

• Fuel system components

• Engine accessories (depending on availability)

Installation

Professional installation is recommended. During installation it is advisable to:

• Replace engine oil and filters

• Inspect wiring harness and sensors

• Replace gaskets and seals if needed

• Perform ECU diagnostics and tuning check

If you need a reliable inline-6 engine, the Mercedes-Benz M104 3.2L offers proven performance, smooth operation, and correct OEM fitment ideal for restoring or maintaining your Mercedes.