How to replace the Coolant Temperature Sensors on 2005 Mercedes-Benz C240?

ECT sensor of 2001-2005 V6 models is located on the timing chain cover. Lift up the engine cover, evacuate the coolant, unactivate the sensor, and change the O-ring. On 2006+ V6 cars, the sensor is on the left cylinder head. In the case of 2002 and 2003-2005 four-cylinder models, sensor replacement works as follows.

Genuine 2005 Mercedes-Benz C240 Coolant Temperature Sensors

Coolant Temperature Sensor

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2005 Mercedes-Benz C240 Coolant Temperature Sensor
Part Number: 099-905-38-00
$22.57 MSRP: $31.00
You Save: $8.43 (28%)
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Product Specifications
- Other Name: Temperature Sensor
- Replaced by: 000-905-61-02
- Replaces: 000-542-51-18-64, 000-542-51-18, 000-905-07-00
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 099-905-38-00
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
More Info
Fits the following 2005 Mercedes-Benz C240 Submodels:
- 4Matic, Base | 6 Cyl 2.6 L GAS

2005 Mercedes-Benz C240 Coolant Temperature Sensors Parts Q&A

Q: How to replace the Coolant Temperature Sensors on 2005 Mercedes-Benz C240?
A: ECT sensor of 2001-2005 V6 models is located on the timing chain cover. Lift up the engine cover, evacuate the coolant, unactivate the sensor, and change the O-ring. On 2006+ V6 cars, the sensor is on the left cylinder head. In the case of 2002 and 2003-2005 four-cylinder models, sensor replacement works as follows.

Related 2005 Mercedes-Benz C240 Parts

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2004 Mercedes-Benz C240 Coolant Temperature Sensors