mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

GF07.04-P-6030V Knock Sensor Component Description|Page 7792 > < Knock Sensor 1, Right|Page 7789
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Knock Sensor: Description and Operation
GF07.04-P-6030V Knock Sensor Component Description

GF07.04-P-6030V Knock Sensor Component Description

Location

The knock sensors are located at the top of the crankcase under the intake manifold.

Task

The knock sensors detect combustion knocks at excessively high vibrations at the crankcase. Anti-knock control thereby corrects the ignition timing for
each individual cylinder when the engine is warm.

Body

The knock sensors function according to the piezoceramic principle. The screened cables are connected directly to the knock sensors.

GF07.04-P-6030V Knock Sensor Component Description|Page 7792 > < Knock Sensor 1, Right|Page 7789