Remove/install electric parking brake actuator motor - AR42.20-P-0600LW

MODEL 205 

MODEL 253 

Shown on right side of vehicle on model 205 with code 489 (AIRmatic) 

Fig 1: Electric Parking Brake Actuator Motor Remove/Install Components - Shown On Model 205

Courtesy of MERCEDES-BENZ USA

	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
	Remove/install
1	Move rear axle brake pads into assembly position		AR42.10-P-1700-02W
2	Switch off ignition and remove transmitter key
3	Remove corresponding complete wheel		AR40.10-P-1101A
4	Release and detach electrical connector (2) from left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2)
5	Unhook electrical line (3) from bracket (arrow C)
6	Unhook electrical line (4) from bracket (arrow C)	Model 205 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL)
7	Unhook grommet (5) from holder (arrow B)
8	Detach spring (6) from brake caliper (1)	Model 205 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL)
9	Remove dust cap (arrow A)	Model 205 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL)
10	Unscrew guide pin (7)	Model 205 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL)
		Guide pin to brake caliper support	*BA42.10-P-1003-12V
11	Unclip cover (8)
12	Tilt brake caliper (1) far enough backwards until the top bolt (9) can be removed	Model 205 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL) Do not tension or kink brake hose and electrical lines (3, 4). Otherwise the brake hose and the electrical lines (3, 4) may be damaged.
13	Remove bolts (9) from left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2)	Screw/bolt, actuator motor to brake caliper	*BA42.10-P-1004-12V
14	Remove left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2)	Replace sealing ring on left electric parking brake actuator motor (M76/1) or sealing ring on right electric parking brake actuator motor (M76/2) on brake caliper (1).
15	Install in the reverse order
16	Carry out brake test on the test stand
			AP42.00-P-4290BA