Remove/Install Electric Parking Brake Actuator Motor - AR42.20-S-0600E

Model 447, 448 

With Code B25 (Electric parking brake) 

With Code XM7 (MOPF II) 

Fig 1: Electric Parking Brake Actuator Motor Components Location - Model 447 With Code B25, XM7

Courtesy of MERCEDES-BENZ USA

Shown on model 447 at right side of vehicle 

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	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
	Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
Notice	General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment	Model 447 with engine 780	AH00.00-Z-0300-01A
Notice	Brake fluid notes		AH42.50-P-0001-01A
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Notice	Notes on repairs to brake system		AH42.00-P-0003-01A
	Clean
1	Clean area surrounding cap of brake fluid reservoir.	Assembly cleaner	*BR00.45-Z-1028-04A
	Remove/install
2	Remove cap from brake fluid reservoir.
	Check
3	Check fill level in brake fluid reservoir.	The fill level must not be above the maximum marking. This prevents the brake fluid reservoir from overflowing when the brake pistons are pushed back. If the fill level in the brake fluid reservoir is too high, ↓ Extract brake fluid. Commercially available devices/tools  Extraction bellows
4	Activate brake lining change mode.		AR42.10-S-1710-01E
Notice	Notes on carrying out repair work in the vehicle interior		AH68.00-D-0001-01KOS
5	Raise vehicle.		AR00.60-S-1000E
6	Release and disconnect electrical connector (3).
7	Remove actuator motor (1).	Replace actuator motors (1) in pairs only. Otherwise, the different operating times may result in an inadequate braking effect. For this purpose, remove screws (4).
		Screw, actuator motor to floating brake caliper If there is brake fluid between the actuator motor (1) and the brake caliper (2), ↓ Check brake caliper (2) on the vehicle for brake fluid loss. If corresponding brake fluid loss is present, ↓ Replace brake caliper (2).	*BA42.10-Z-1005-12KOJ
		Replace brake calipers (2) in pairs only. Otherwise, the different operating times may result in an inadequate braking effect.	AR42.10-S-0080EA
	Check
8	Check sealing ring (5) for damage.	If damage is found, ↓ Replace sealing ring (5).
9	Install in the reverse order.