How to carry out replacement: Brake Discs 300 CE 3.0 (124.050) MERCEDES-BENZ COUPE (C124)
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Change MERCEDES-BENZ COUPE (C124) 300 CE 3.0 (124.050) Brake Discs yourself – manuals and video tutorials

How to change front brake discs on MERCEDES-BENZ W124 Coupe (C124) – replacement guide

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When to replace the Brake Discs on your MERCEDES-BENZ Baureihe 123
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043), MERCEDES-BENZ W124 Coupe (C124) 230 CE Cat (124.043), MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Brake Discs for W124 Coupe (C124) and other MERCEDES-BENZ models
How to change Brake disc on MERCEDES-BENZ COUPE (C124) 300 CE 3.0 (124.050) – step-by-step instructions for straightforward car repair Brake disc
How to change Brake disc on W124 Coupe (C124) – tips for proper car maintenance
Brake disc for W124 Coupe (C124) Petrol (136 hp)
Simple DIY car repair steps – Replacing Brake disc on W124 Coupe (C124)
Brake disc for W124 Coupe (C124) Petrol (132 hp)
Easy tricks to help you to replace Brake disc on W124 Coupe (C124)
Brake disc for W124 Coupe (C124) Petrol (132 hp)
Tools
Replacement: brake discs – MERCEDES-BENZ COUPE (C124). Tools you need:
Wire brush
Nylon cleaning brush
WD-40 spray
Brake cleaner
Dielectric grease
Anti-squeal paste
Ceramic grease
Torque wrench
Combination spanner #15
Drive socket # 13
Drive socket # 19
HEX bit No.H5
Wheel impact socket #17
Ratchet wrench
Tap wrench
Crow bar
Brake caliper wind back tool
Wheel chock
Buy tools
AUTODOC recommends:
  • Replace the brake disks on the car MERCEDES-BENZ COUPE (C124) 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-BENZ COUPE (C124).
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    How to change Brake Discs on MERCEDES-BENZ COUPE (C124) 1987 - free PDF and video manuals
    Unscrew the brake fluid reservoir cap.
  2. Step 3
    Secure the wheels with chocks.
    Step 4
    How to replace MERCEDES-BENZ W124 Coupe (C124) 300 CE 3.0 (124.050) 1988 Brake Discs - step-by-step manuals and video guides
    Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
  3. Step 5
    Raise the car.
    Replacement: brake discs – MERCEDES-BENZ COUPE (C124). Tip:
    If you are using a jack, make sure it rests on a flat surface without any unevenness.Be sure to additionally secure the car with jack stands.
    Step 6
    MERCEDES-BENZ COUPE (C124) 300 CE-24 3.0 (124.051) 1989 Brake Discs replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Important! Hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ COUPE (C124)
  4. Step 7
    Changing Brake Discs on MERCEDES-BENZ W124 Coupe (C124) 300 CE 3.0 1990 by yourself
    Remove the wheel.
  5. Step 8
    How to remove MERCEDES-BENZ Baureihe 123 230 CE Cat (124.043) 1991 Brake Discs - online easy-to-follow instructions
    Detach the connector of the brake pad wear sensor.
  6. Step 9
    How to replace Brake Discs on MERCEDES-BENZ W124 Coupe (C124) 1992: download PDF manuals and video instructions
    Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
  7. Step 10
    How hard is it to do yourself: Brake Discs replacement on MERCEDES-BENZ COUPE (C124) 320 CE 3.2 (124.052) 1993 - download illustrated guide
    Unscrew the brake caliper fasteners. Use a combination spanner #15. Use a drive socket #13. Use a ratchet wrench.
  8. Step 11
    Remove the fastening bolts.
    Step 12
    Need to know how to renew Brake Discs on MERCEDES-BENZ Baureihe 123 1987? This free workshop manual will help you to do it yourself
    Spread the brake pads. Use a crowbar.
  9. Step 13
    Changing of Brake Discs on MERCEDES-BENZ COUPE (C124) 1988 won't be an issue if you follow this illustrated step-by-step guide
    Remove the brake caliper.
    Replacement: brake discs – MERCEDES-BENZ COUPE (C124). 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.
  10. Step 14
    MERCEDES-BENZ Baureihe 123 300 CE 3.0 (124.050) Brake Discs replacement: online guides and video tutorials
    Remove the brake pads.
  11. Step 15
    Replacing Brake Discs on MERCEDES-BENZ COUPE (C124) 1990 300 CE 3.0 (124.050) by yourself
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  12. Step 16
    W124 Coupe (C124) 230 CE Cat (124.043) 1991 Brake Discs DIY replacement workshop manual
    Unscrew the brake caliper bracket fasteners. Use a drive socket #19. Use a ratchet wrench.
  13. Step 17
    How to change Brake Discs on MERCEDES-BENZ W124 Coupe (C124) 1992 - tips and tricks
    Remove the fastening bolts.
  14. Step 18
    Step-by-step recommendations for DIY replacement MERCEDES-BENZ COUPE (C124) 1993 230 CE Cat (124.043) Brake Discs
    Remove the brake caliper bracket.
  15. Step 19
    DIY replacement of Brake Discs on MERCEDES-BENZ W124 Coupe (C124) 230 CE 2.3 (124.043) 1987 is not an issue anymore with our step-by-step tutorial
    Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
  16. Step 20
    How to change Brake Discs on MERCEDES-BENZ COUPE (C124) 1987 - free PDF and video manuals
    Unscrew the brake disc fasteners. Use HEX No.H5. Use a ratchet wrench.
  17. Step 21
    How to replace MERCEDES-BENZ W124 Coupe (C124) 300 CE 3.0 (124.050) 1988 Brake Discs - step-by-step manuals and video guides
    Remove the fastening bolt.
  18. Step 22
    MERCEDES-BENZ COUPE (C124) 300 CE-24 3.0 (124.051) 1989 Brake Discs replacement: free workshop manuals
    Remove the brake disc.
  19. Step 23
    Changing Brake Discs on MERCEDES-BENZ W124 Coupe (C124) 300 CE 3.0 1990 by yourself
    Clean the wheel hub. Use a wire brush.
  20. Step 24
    How to remove MERCEDES-BENZ Baureihe 123 230 CE Cat (124.043) 1991 Brake Discs - online easy-to-follow instructions
    Treat the contacting surface. Use ceramic grease.
  21. Step 25
    How to replace Brake Discs on MERCEDES-BENZ W124 Coupe (C124) 1992: download PDF manuals and video instructions
    Install a new brake disc.
  22. Step 26
    How hard is it to do yourself: Brake Discs replacement on MERCEDES-BENZ COUPE (C124) 320 CE 3.2 (124.052) 1993 - download illustrated guide
    Install the fastening bolt.
  23. Step 27
    Need to know how to renew Brake Discs on MERCEDES-BENZ Baureihe 123 1987? This free workshop manual will help you to do it yourself
    Tighten the brake disc fasteners. Use HEX No.H5. Use a torque wrench. Tighten it to 10 Nm torque.
  24. Step 28
    Changing of Brake Discs on MERCEDES-BENZ COUPE (C124) 1988 won't be an issue if you follow this illustrated step-by-step guide
    Clean the brake caliper bracket of dirt and dust. Use a wire brush. Use a brake cleaner.
    AUTODOC recommends:
    Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
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