6462030275 Thermostat for Mercedes-Benz C-Class E-Class S-Class W204 W211 W220

Thermostat – 6462030275

OEM thermostat for Mercedes-Benz C-Class W204/S204, E-Class W211/S211, S-Class W220.
Part No: 646 203 02 75
Direct replacement diesel engine cooling part.

🌡️ Mercedes-Benz Diesel Thermostat – OEM 6462030275

Maintain precise engine temperature control in your Mercedes-Benz diesel with the
COWIN OEM-Standard Thermostat. This unit (Ref: 646 203 02 75)
is engineered for the OM646 engine family, widely used across C-Class, E-Class, and S-Class models.

✅ Key Features & Benefits

Diesel Engine Specialist: Designed specifically for OM646 engines.
OEM Replacement: Direct fit for part number 646 203 02 75.
Stable Cooling: Prevents overheating and maintains optimal operating temperature.
Durable Construction: Built to withstand high-pressure diesel engine environments.

🚗 Vehicle Compatibility

Brand	Model	Chassis Code
Mercedes-Benz	C-Class	W204
Mercedes-Benz	C-Class T-Model	S204
Mercedes-Benz	CLC-Class	CL203
Mercedes-Benz	E-Class	W211
Mercedes-Benz	E-Class T-Model	S211
Mercedes-Benz	S-Class	W220

⚙️ Technical Specifications

Product: Thermostat
OEM Part Number: 646 203 02 75 / 6462030275
Material: Reinforced Polymer / Metal Flange
Quality: 100% Tested & Calibrated

🛠️ Installation Note

Mercedes-Benz diesel engines require thorough cooling system bleeding after thermostat replacement.
Always replace the housing gasket and inspect coolant lines for wear or leaks.

🏭 Why Choose COWIN Auto Parts?

COWIN (Gaoyun) specializes in European executive and diesel vehicle cooling systems.
Every thermostat is factory-tested for accurate performance and long-term reliability.