How to remove and install knock sensors on 2005 Mercedes-Benz C240?

Knock sensors are located in block valley under the intake manifold on V6 engines; at the starter solenoid on four-cylinder engines. Take off the engine cover, intake parts and take off the sensor connector. Take out mounting bolt and sensor. Install in reverse sequence, and torque the bolt to specification to make sure knock sensor and PCM are functioning properly.

Genuine 2005 Mercedes-Benz C240 Knock Sensor

Engine Knock Sensor

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2005 Mercedes-Benz C240 Knock Sensor
Part Number: 003-153-86-28-64
$98.40 MSRP: $137.00
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Product Specifications
- Replaces: 003-153-86-28
- Item Weight: 3.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 003-153-86-28-64
- Warranty: This genuine part is guaranteed by Mercedes-Benz's factory warranty.
Fits the following 2005 Mercedes-Benz C240 Submodels:
- 4Matic, Base | 6 Cyl 2.6 L GAS

2005 Mercedes-Benz C240 Knock Sensor Parts Q&A

Q: How to remove and install knock sensors on 2005 Mercedes-Benz C240?
A: Knock sensors are located in block valley under the intake manifold on V6 engines; at the starter solenoid on four-cylinder engines. Take off the engine cover, intake parts and take off the sensor connector. Take out mounting bolt and sensor. Install in reverse sequence, and torque the bolt to specification to make sure knock sensor and PCM are functioning properly.

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2004 Mercedes-Benz C240 Knock Sensor