Thermostat M271 for Mercedes-Benz

OE-spec engine thermostat assembly for Mercedes-Benz vehicles with the M271 1.8L petrol engine, Kompressor or CGI turbo. Restores correct warm-up time and stable operating temperature, and protects against overheating and poor heater performance.

Key Features

• Precise Temperature Control: OE-matched opening temp and flow for stable engine and cabin heat.
• Integrated Housing and Seal: Direct bolt-on replacement to minimise leaks and comeback repairs.
• Correct Sensor/Actuator Logic: Works with the ECU for accurate warm-up and efficiency.
• Exact Fitment: Factory mounting points for a no-mod install.

Compatibility

Common applications with the M271 four-cylinder: C-Class W203/W204 (C180/C200/C230K/C200 CGI/C250 CGI), E-Class W211/early W212 (E200K/E200 CGI), CLK C209/A209 (200K trims), SLK R171/early R172 (200K/200 CGI), GLK X204 (200 CGI where fitted). Verify via VIN as markets vary by year and emissions package.

Note: Coolant, hoses, clamps, water pump, radiator, and extra sensors/hardware not included.

This is an aftermarket replacement part, not a genuine Mercedes-Benz product. Not affiliated with or endorsed by Mercedes-Benz Group AG.