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How to change rear brake discs on Mercedes W203 – replacement guide
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Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006, 203.008), MERCEDES-BENZ C-Class Saloon (W203) C 180 Kompressor (203.046), MERCEDES-BENZ C-Class Saloon (W203) C 200 Kompressor (203.042), MERCEDES-BENZ C-Class Saloon (W203) C 240 4-matic (203.081), MERCEDES-BENZ C-Class Saloon (W203) C 320 4-matic (203.084), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.007), MERCEDES-BENZ C-Class Saloon (W203) C 200 CGI Kompressor (203.043), MERCEDES-BENZ C-Class Saloon (W203) C 230 Kompressor (203.040), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.008), MERCEDES-BENZ C-Class Saloon (W203) C 230 (203.052), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006), MERCEDES-BENZ C-Class Saloon (W203) C 320 (203.064), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016), MERCEDES-BENZ C-Class Saloon (W203) C 320 CDI (203.020), MERCEDES-BENZ C-Class Saloon (W203) C 280 (203.054), MERCEDES-BENZ C-Class Saloon (W203) C 280 4-matic (203.092), MERCEDES-BENZ C-Class Saloon (W203) C 350 (203.056), MERCEDES-BENZ C-Class Saloon (W203) C 350 4-matic (203.087), MERCEDES-BENZ C-Class Saloon (W203) 3.5 (203.056), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006, 203.008), MERCEDES-BENZ C-Class Saloon (W203) C 180 Kompressor (203.046), MERCEDES-BENZ C-Class Saloon (W203) C 200 Kompressor (203.042), MERCEDES-BENZ C-Class Saloon (W203) C 240 4-matic (203.081), MERCEDES-BENZ C-Class Saloon (W203) C 320 4-matic (203.084), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.007), MERCEDES-BENZ C-Class Saloon (W203) C 200 CGI Kompressor (203.043), MERCEDES-BENZ C-Class Saloon (W203) C 230 Kompressor (203.040), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.008), MERCEDES-BENZ C-Class Saloon (W203) C 230 (203.052), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006), MERCEDES-BENZ C-Class Saloon (W203) C 320 (203.064), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016), MERCEDES-BENZ C-Class Saloon (W203) C 320 CDI (203.020), MERCEDES-BENZ C-Class Saloon (W203) C 280 (203.054), MERCEDES-BENZ C-Class Saloon (W203) C 280 4-matic (203.092), MERCEDES-BENZ C-Class Saloon (W203) C 350 (203.056), MERCEDES-BENZ C-Class Saloon (W203) C 350 4-matic (203.087), MERCEDES-BENZ C-Class Saloon (W203) 3.5 (203.056), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016) … View more
The steps may slightly vary depending on the car design.
How to change rear brake discs on MERCEDES-BENZ W203 C-Class [TUTORIAL AUTODOC]

All the parts you need to replace – Brake Discs for C-Class Saloon (W203) and other MERCEDES-BENZ models
Alternative products

Wire brush
Nylon cleaning brush
WD-40 spray
All-purpose cleaning spray
Brake cleaner
Copper grease
Torque wrench
Drive socket # 18
Torx bit T30
Wheel impact socket #17
Ratchet wrench
Hammer
Pin punch
Impact screwdriver
Crow bar
Wheel chock
Replacement: brake discs – Mercedes W203. Professionals recommend:
- Replace the brake disks on the car Mercedes W203 in complete set for each axis. Regardless of the state of components. This will ensure even braking.
- The replacement procedure is identical for both brake disks on the same axle.
- When changing the brake discs, always replace the brake pads.
- Please note: all work on the car – Mercedes W203 – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1
Open the bonnet. Unscrew the brake fluid reservoir cap. - Step 2Secure the wheels with chocks.Step 3
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 4
Raise the rear of the car and secure on supports. - Step 5
Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W203 - Step 6
Remove the wheel. - Step 7
Clean the brake pads fasteners. Use a wire brush. Use all-purpose cleaning spray. - Step 8
Remove the brake pad retaining pin. Use a pin punch. Use a hammer. - Step 9
Remove the retaining spring of the brake pads. - Step 10
Spread the brake pads. Use a crowbar. - Step 11
Remove the brake pads. - Step 12
Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray. - Step 13
Unscrew the brake caliper fastening. Use a drive socket #18. Use a ratchet wrench. - Step 14
Remove the brake caliper.Replacement: brake discs – Mercedes W203. Professionals recommend:Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. - Step 15
Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray. - Step 16
Unscrew the brake disc fastening. Use Torx T30. Use an impact screwdriver. - Step 17
Remove the brake disc. - Step 18
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease. - Step 19
Install the brake disc. - Step 20
Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 9 Nm torque.
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