Remove/Install Electric Parking Brake Actuator Motor - AR42.20-P-0600W

Model 166, 172, 292 

Fig 1: Electric Parking Brake Actuator Motor Components Location - Model 172 (Shown Model 172.457)

Courtesy of MERCEDES-BENZ USA

Shown Model 172.457 

	Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Notes on repairs to Brake system		AH42.00-P-0003-01A
	Notes on self-locking nuts and Bolts		AH00.00-N-0001-01A
	Remove/install
1	Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m)
2	Detach corresponding complete wheel
		Model 166	AP40.10-P-4050EW
		Model 172	AP40.10-P-4050V
		Model 292	AR40.10-P-1100GQC
3	Unhook electrical line (3) on Retaining frame (1)	Model 172
4	Unclip Retaining frame (1) from left electric parking Brake actuator motor (M76/1) or right electric parking Brake actuator motor (M76/2)	Model 172
5	Disconnect electrical connector (4) on left electric parking Brake actuator motor (M76/1) or right electric parking Brake actuator motor (M76/2)
6	Unscrew Bolts (2)	Model 166, 292 Screw/ Bolt, actuator motor for parking Brake to Brake caliper	*BA42.10-P-1006-12L
		Model 172 Bolt, actuator motor to Brake caliper	*BA42.10-P-1005-12J
7	Remove left electric parking Brake actuator motor (M76/1) or right electric parking Brake actuator motor (M76/2)	: Sealing ring (5) must be replaced.
8	Install in the reverse order
9	Carry out Brake test on the test stand
			AP42.00-P-4290BA

REAR AXLE BRAKE CALIPER

Number	Designation		Model 172
BA42.10-P-1005-12J	Bolt, actuator motor to Brake caliper	Nm	12

REAR AXLE BRAKE CALIPER

Number	Designation		Model 166	Model 292
BA42.10-P-1006-12L	Screw/ Bolt, actuator motor for parking Brake to Brake caliper	Nm	12	12