Release Electric Parking Brake Mechanically - AR42.20-P-1000W

Model 166, 172, 217, 222, 231, 292 

Shown on model 172.4 

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove electric parking brake actuator motor	Model 231	AR42.20-P-0600RK
		Model 217, 222	AR42.20-P-0600LF
		Model 166, 172, 292 The electric parking brake must be manually released if the electrical components of the electric parking brake malfunction when the parking brake is actuated.	AR42.20-P-0600W
	Release
2	Turn spindle (1) on brake caliper (2) until the brake disk is accessible	To release the parking brake, turn the spindle (1) clockwise. :  Spindle (1) must remain in an open state.
3	Install in the reverse order
4	Carry out brake test on the test stand
			AP42.00-P-4290BA