mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Knock Sensors, Location/Task/Design/Function|Page 3737 > < Knock Sensor|Locations
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Knock Sensor: Description and Operation
Knock Sensors, Location/Task/Design/Function

Knock Sensors, Location

Knock Sensors, Location

4 knock sensors at top of engine
 

A29g1 

Left knock sensor 1

A29g2 

Left knock sensor 2

A30g1 

Right knock sensor 1

A30g2 

Right knock sensor 2

Knock Sensors, Task

Knock Sensors, Task

A16 

Knock sensor (other designations A29, A30)

The knock sensor detects vibrations at the crankcase.

Knock Sensors, Design

Knock Sensors, Design

Knock Sensors, Location/Task/Design/Function|Page 3737 > < Knock Sensor|Locations