Adjust Parking Brake On Roller Dynamometer - AR42.20-P-0550GW

Model 463 (except 463.234/255/274) 

as of model year 2013 up to model year 2019 

Courtesy of MERCEDES-BENZ USA

	Check
	Risk of death  caused by limbs being caught or crushed by rotating parts when performing tests on the brake test stand	Never leave the vehicle unattended on the rollers except in an emergency. Ensure that no one is under the vehicle or near rotating parts during testing. In case of emergency, use the EMERGENCY OFF switch to shut down test stand.	AS42.00-Z-0001-01A
	Information on function and performance test on roller dynamometer		AH00.10-P-1000-03A
1	Check brake lining thickness	Remove/install brake shoes of parking brake If the minimum lining thickness is reached or undershot, the brake shoes must be replaced: ↓	AR42.20-P-0530GW
		Brake lining wear limit, parking brake shoes on vehicles with disk brakes	*BE42.10-P-1003-10A
2	Remove trim (2) from parking brake lever	Remove/install center console	AR68.20-P-2000GW
3	Drive the vehicle on to the brake test stand and switch on the brake test stand
4	Completely tighten and release parking brake lever 3 times.
5	Tighten parking brake lever up to 4th notch.
6	Check brake force	In the event of a complaint about the brake force: ↓ Check the brake force again after the adjustment: ↓
		Model 463.202/222/236/237/243/244/245/246/247/248/249/250/254/270/271/272/273/303/306/309/322/323/333/336/340/341/346 as of model year 2013 up to model year 2019 with disk brakes on the rear axle Model 463.204/206/207/208/209/220/221/224/225/227/228/230/231/232/233/240/241/300/304/307/308/320/321/324/325/327/328/330/331 as of model year 2013 up to model year 2019 Test value for parking brake, parking brake lever 4th notch Adjust the brake force by twisting the adjusting nuts (10). ↓ Repeat operation steps 4 to 6.	*BE42.20-P-1003-01B
7	Apply and release the hand brake lever fully three times	Once the hand brake lever is released the unobstructed movement of the parking brake must be guaranteed.
8	Slowly apply the hand brake lever fully	Adjust parking brake	AR42.20-P-0540GW
		Remove/install brake shoes of parking brake	AR42.20-P-0530GW
		Remove/install parking brake cables In the process the brake force must increase evenly on both sides. If an even brake force cannot be achieved, the following measures can be used: ↓	AR42.20-P-0541GW
9	Switch off brake test stand
10	Install trim on hand brake lever	Remove/install center console	AR68.20-P-2000GW