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

Model 257 

Fig 1: Left/Right Electric Parking Brake Actuator Motor Components Location - Model 257 (Right Side Shown With Code 489)

Courtesy of MERCEDES-BENZ USA

Shown on right side of vehicle, with code 489 (AIR BODY CONTROL) 

Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Notes on repairs to Brake system		AH42.00-P-0003-01A
Notice	Notes on handling, transport and storage of composite Brake disks		AH42.10-P-9406-12LF
	Remove/install
1	Move rear axle Brake pads into assembly position		AR42.10-P-1710-01FR
		Do not operate the service Brake while "Move to assembly position" is shown. Otherwise the spindle in the Brake caliper (1) will be damaged. The hood must be closed.
2	Switch off ignition and store transmitter key outside of transmission range (min. 2 m)
3	Remove rear wheel		AR40.10-P-1102A
4	Release and disconnect electrical plug (4)
5	Expose electric line (5)	Model 257 with code 459 (Steel suspension with adjustable damping) Model 257 with code 489 (AIR BODY CONTROL)
6	Expose electric line (6)
7	Remove bolts (3)	Model 257 with code 459 (Steel suspension with adjustable damping) Model 257 with code 489 (AIR BODY CONTROL)
		Guide pin to Brake caliper support or bolt for guide pin to Brake caliper	*BA42.10-P-1003-12W
8	Detach Brake caliper (1) towards rear from Brake caliper support until both bolts (7) are accessible	Model 257 with code 459 (Steel suspension with adjustable damping) Model 257 with code 489 (AIR BODY CONTROL)
		Do not tension or kink Brake hose and electric lines (5, 6). Otherwise, the Brake hose or electric lines (5, 6) may be damaged.
9	Unclip cover (2)
10	Remove screws (7)	Bolt, actuator motor to Brake caliper	*BA42.10-P-1004-12W
11	Remove left electric parking Brake actuator motor (M76/1) or right electric parking Brake actuator motor (M76/2)
12	Install in the reverse order
13	Carry out Brake test on the test stand
			AP42.00-P-4290BA