When to replace the Brake Discs on your MERCEDES-BENZ SLK
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ SLK (R172) 250 (172.447), MERCEDES-BENZ SLK (R172) 200 (172.448) 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 SLK (R172) and other MERCEDES-BENZ models
Tools
Replacement: brake discs – MERCEDES-BENZ SLK (R172). Tools you might need:
Wire brush
Nylon cleaning brush
WD-40 spray
Electronic spray
All-purpose cleaning spray
Brake cleaner
Anti-squeal paste
Ceramic grease
Torque wrench
Combination spanner #17
Combination spanner #18
Drive socket # 13
HEX bit no.H5
Wheel impact socket #17
Ratchet wrench
Impact screwdriver
Long nose pliers
Brake caliper wind back tool
Crow bar
Wheel chock
AUTODOC recommends:
  • Replace the brake disks on the car MERCEDES-BENZ SLK (R172) 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-BENZ SLK (R172) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet. Unscrew the brake fluid reservoir cap.
    Step 2
    Secure the wheels with chocks.
    Step 3
    How to change Brake Discs on Mercedes SLK R172 2011 - free PDF and video manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  2. Step 4
    Raise the car.
    Replacement: brake discs – MERCEDES-BENZ SLK (R172). AUTODOC recommends:
    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 5
    How to replace MERCEDES-BENZ SLK (R172) 200 1.8 (172.448) 2012 Brake Discs - step-by-step manuals and video guides
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ SLK (R172)
  3. Step 6
    Mercedes SLK R172 250 CDI 2.2 (172.403) 2013 Brake Discs replacement: free workshop manuals
    Remove the wheel.
  4. Step 7
    Changing Brake Discs on MERCEDES-BENZ SLK (R172) 350 3.5 (172.457) 2014 by yourself
    Detach the connector of the brake pad wear sensor. Use long nose pliers.
  5. Step 8
    How to remove MERCEDES-BENZ SLK 55 AMG 5.5 (172.475) 2015 Brake Discs - online easy-to-follow instructions
    Spread the brake pads. Use a crowbar.
  6. Step 9
    Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
    Step 10
    How to replace Brake Discs on MERCEDES-BENZ SLK (R172) 2016: download PDF manuals and video instructions
    Unscrew the brake caliper fasteners. Use a combination spanner #17. Use a drive socket #13. Use a ratchet wrench.
  7. Step 11
    How hard is it to do yourself: Brake Discs replacement on Mercedes SLK R172 55 AMG (172.475) 2017 - download illustrated guide
    Remove the fastening bolts.
  8. Step 12
    Need to know how to renew Brake Discs on MERCEDES-BENZ SLK 2018? This free workshop manual will help you to do it yourself
    Remove the brake caliper.
    Replacement: brake discs – MERCEDES-BENZ SLK (R172). AUTODOC recommends:
    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.
  9. Step 13
    Changing of Brake Discs on Mercedes SLK R172 2019 won't be an issue if you follow this illustrated step-by-step guide
    Remove the brake pads.
  10. Step 14
    MERCEDES-BENZ SLK 200 1.8 (172.448) Brake Discs replacement: online guides and video tutorials
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  11. Step 15
    Replacing Brake Discs on Mercedes SLK R172 2021 200 1.8 (172.448) by yourself
    Unscrew the brake caliper bracket fasteners. Use a combination spanner #18.
  12. Step 16
    SLK (R172) 55 AMG 5.5 (172.475) 2022 Brake Discs DIY replacement workshop manual
    Remove the fastening bolts.
  13. Step 17
    How to change Brake Discs on MERCEDES-BENZ SLK (R172) 2023 - tips and tricks
    Remove the caliper bracket.
  14. Step 18
    Step-by-step recommendations for DIY replacement Mercedes SLK R172 2024 55 AMG 5.5 (172.475) Brake Discs
    Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
  15. Step 19
    DIY replacement of Brake Discs on MERCEDES-BENZ SLK (R172) 250 1.8 (172.447) 2011 is not an issue anymore with our step-by-step tutorial
    Unscrew the brake disc fastening. Use HEX No.H5. Use an impact screwdriver.
  16. Step 20
    How to change Brake Discs on Mercedes SLK R172 2011 - free PDF and video manuals
    Remove the fastening bolt.
  17. Step 21
    How to replace MERCEDES-BENZ SLK (R172) 200 1.8 (172.448) 2012 Brake Discs - step-by-step manuals and video guides
    Remove the brake disc.
  18. Step 22
    Mercedes SLK R172 250 CDI 2.2 (172.403) 2013 Brake Discs replacement: free workshop manuals
    Clean the hub. Use a wire brush. Use all-purpose cleaning spray.
  19. Step 23
    Changing Brake Discs on MERCEDES-BENZ SLK (R172) 350 3.5 (172.457) 2014 by yourself
    Treat the contacting surface. Use ceramic grease.
  20. Step 24
    How to remove MERCEDES-BENZ SLK 55 AMG 5.5 (172.475) 2015 Brake Discs - online easy-to-follow instructions
    Install the brake disc.
  21. Step 25
    How to replace Brake Discs on MERCEDES-BENZ SLK (R172) 2016: download PDF manuals and video instructions
    Install the fastening bolt.
  22. Step 26
    How hard is it to do yourself: Brake Discs replacement on Mercedes SLK R172 55 AMG (172.475) 2017 - download illustrated guide
    Tighten the brake disc fastening. Use HEX No.H5. Use a torque wrench. Tighten it to 10 Nm torque.
  23. Step 27
    Need to know how to renew Brake Discs on MERCEDES-BENZ SLK 2018? This free workshop manual will help you to do it yourself
    Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
    AUTODOC recommends:
    Replacement: brake discs – MERCEDES-BENZ SLK (R172). After applying the spray, wait a few minutes.Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
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DIY MERCEDES-BENZ SLK (R172) Brake Discs replacement - online guide
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