Removing, checking and installing rear axle brake pads - AR42.10-P-1700EL

Model 218 (except 218.374/375/376/392/974/975/976/992) 

Fig 1: Identifying Rear Axle Brake Pads

Courtesy of MERCEDES-BENZ USA

	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
	Notes on repairs to brake system		AH42.00-P-0003-01A
	Notes on installing brake wear indicator contact sensors		AH42.10-P-0003-01CW
	Remove/install
1	Remove brake caliper (2) and fasten - with lines attached - to vehicle free of tension		AR42.10-P-0080EL
		Do not subject the brake hose and electrical line to tension and do not kink them. The brake hose and the electrical line can otherwise be damaged.
2	Remove brake linings (6) from brake caliper support (8)	Insert inner brake lining (6) with riveted-on spring into brake piston. Insert outer brake lining (6) into brake caliper support (8). Only complete sets of brake linings (6) approved by Mercedes-Benz may be installed. Do not apply any brake paste or lubricants to brake pads (6) and brake calipers (2).
	Check
3	Check brake linings (6) for wear and that they are in good condition
			AP42.10-P-4253A
		In case of damage or excessive wear: ↓ Replace brake linings (6). Replace brake linings (6) as a complete set only.
4	Check brake disk (9) for wear and that it is in good condition
		Model 218 (except 218.374/375/376/392/974/975/976/992) except code B07 (Ceramic brake system) In case of damage or excessive wear: ↓ Replace brake disk (9).	AP42.10-P-4258EW
		Model 218 (except 218.374/375/376/392/974/975/976/992) except code B07 (Ceramic brake system) Replace brake disks (9) as a complete set only.	AR42.10-P-0220EWE
	Clean
5	Clean contact surfaces of brake linings (6) on brake caliper (2) and on brake caliper support (8)	Do not use sharp-edged or pointed objects. Otherwise, the dust boot, brake caliper (2) or the brake caliper support (8) may be damaged.
		Assembly cleaner	*BR00.45-Z-1028-04A
6	Pull out right rear brake wear sensor (S10/4) out of pad backing plate of brake lining (6)	When replacing the brake linings (6) or when replacing the rear right brake wear sensor (S10/4).
7	Install in the reverse order
8	Depress brake pedal several times until brake linings (6) rest against brake disks (9)	Firm resistance should be noticeable at the brake pedal.
	Check
9	Check/correct brake fluid level in expansion reservoir
			AP42.10-P-4210EW
10	Carry out brake test on the test stand
			AP42.00-P-4290BA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1028-04A	Assembly cleaner	Adolf Wurth GmbH & Co. KG