Remove/install knock sensors - AR15.12-P-2184EA

ENGINE 119.981/982/985

Illustrate left knock sensor

Fig 1: Identifying Knock Sensors Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Graphic Item, etc	Work instructions
	Remove/install engine support	Refer to Repair manual Engine 119.960/970/971/972/974/975 Mechanic II Opno. 22-2500
	Clutch	Detach knock sensor
Arrow	Bolts		*BA15.10-P-1001-02A

Knock sensors

Number	Designation		Engine 112.910/911/912/ 913/914/915/ 916/917/920/ 921/922/923/ 940/941/942/ 943/944/945/ 946/947/949/ 951/953/954/ 955/960/961/ 970/972/973/975	Engine 119, 120
BA15.10-P-1001-02A	Bolt securing knock sensor to cylinder block	Nm	20	20