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How to change front brake discs on Mercedes W202 – 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 (W202) C 280 (202.028), MERCEDES-BENZ C-Class Saloon (W202) C 200 (202.020), MERCEDES-BENZ C-Class Saloon (W202) C 230 (202.023), MERCEDES-BENZ C-Class Saloon (W202) C 280 (202.029), MERCEDES-BENZ C-Class Saloon (W202) C 220 CDI (202.133), MERCEDES-BENZ C-Class Saloon (W202) C 200 CDI (202.134) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ C-Class Saloon (W202) C 280 (202.028), MERCEDES-BENZ C-Class Saloon (W202) C 200 (202.020), MERCEDES-BENZ C-Class Saloon (W202) C 230 (202.023), MERCEDES-BENZ C-Class Saloon (W202) C 280 (202.029), MERCEDES-BENZ C-Class Saloon (W202) C 220 CDI (202.133), MERCEDES-BENZ C-Class Saloon (W202) C 200 CDI (202.134) … View more
The steps may slightly vary depending on the car design.
How to change brake discs and brake pads on MERCEDES W202 [TUTORIAL AUTODOC]

All the parts you need to replace – Brake Discs for C-Class Saloon (W202) and other MERCEDES-BENZ models
Brake disc
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Brake caliper guide pins grease
Copper grease
Sealant
Combination spanner #15
Drive socket # 13
Drive socket # 19
HEX bit no.H5.
Wheel impact socket #17
Ratchet wrench
Torque wrench
Brake caliper wind back tool
Flat Screwdriver
Crow bar
Wheel chock
Replacement: brake discs – Mercedes W202. Tip from AUTODOC experts:
- Replace the brake disks on the car Mercedes W202 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.
- Warning! Shut down the engine before starting any work – Mercedes W202.
Carry out replacement in the following order:
- Step 1Open the bonnet. Unscrew the brake fluid reservoir cap.
- Step 2Secure the wheels with chocks.
- Step 3Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 4Raise the front of the car and secure on supports.Step 5Unscrew the wheel bolts.Replacement: brake discs – Mercedes W202. Tip:To avoid injury, hold up the wheel when unscrewing the bolts.
- Step 6Remove the wheel.
- Step 7Spread the brake pads. Use a crowbar.
- Step 8Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
- Step 9Unscrew the brake caliper fastening. Use a combination spanner #15. Use a drive socket #13. Use a ratchet wrench.
- Step 10Remove the fastening bolts (2 pieces).Step 11Disconnect the brake pads wear sensor. Use a flat screwdriver.
- Step 12Remove the brake caliper.Replacement: brake discs – Mercedes W202. AUTODOC experts 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.Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
- Step 13Remove the brake pads.
- Step 14Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
- Step 15Unscrew the caliper bracket fastening. Use a drive socket #19. Use a ratchet wrench.
- Step 16Remove the fastening bolts (2 pieces).Step 17Remove the caliper bracket.
- Step 18Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.Step 19Unscrew the brake disc fastening. Use HEX No.H5. Use a ratchet wrench.
- Step 20Remove the brake disc.
- Step 21Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
- Step 22Install the brake disc.
- Step 23Tighten the brake disc fastening. Use HEX No.H5. Use a torque wrench. Tighten it to 9 Nm torque.
- Step 24Remove the guide pins from the brake caliper.Step 25Clean the brake caliper guide pins.
- Step 26Treat the brake caliper guide pins. Use the brake caliper guide pin grease.
- Step 27Screw in the guide pins.
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