How to carry out replacement: Brake Pads 300 SE, SEL (126.024, 126.025) Mercedes W126
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Change Mercedes W126 300 SE, SEL (126.024, 126.025) Brake Pads yourself – manuals and video tutorials

How to change front brake pads on MERCEDES-BENZ S-Class Saloon (W126) – replacement guide

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Download your free tutorial and fix MERCEDES-BENZ S-Class Saloon (W126) 500 SE, SEL problems yourself Download for free 1.49 MB Brake Pads for Mercedes W126 Shop now
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When to replace the Brake Pads on your MERCEDES-BENZ S-CLASS
Recommended replacement interval for the part category Brake pad set : 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ S-Class Saloon (W126) 260 SE (126.020), MERCEDES-BENZ S-Class Saloon (W126) 260 SE (126.020), MERCEDES-BENZ S-Class Saloon (W126) 300 SE, SEL (126.024, 126.025) … 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 Pads for S-Class Saloon (W126) and other MERCEDES-BENZ models
How to change Brake pad set on Mercedes W126 300 SE, SEL (126.024, 126.025) – step-by-step instructions for straightforward car repair Brake pad set
How to change Brake pad set on S-Class Saloon (W126) – tips for proper car maintenance
Brake pad set for S-Class Saloon (W126) Petrol (160 hp)
Simple DIY car repair steps – Replacing Brake pad set on S-Class Saloon (W126)
Brake pad set for S-Class Saloon (W126) Petrol (166 hp)
Easy tricks to help you to replace Brake pad set on S-Class Saloon (W126)
Brake pad set for S-Class Saloon (W126) Petrol (188 hp)
Tools
Replacement: brake pads – MERCEDES-BENZ S-CLASS (W126). List of the tools you'll 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:
  • Perform the replacement of brake pads in complete set for each axis. This provides effective braking.
  • The replacement procedure is identical for all brake pads on the same axle.
  • Warning! Shut down the engine before starting any work – MERCEDES-BENZ S-CLASS (W126).
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    How to change Brake Pads on Mercedes W126 1979 - 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 S-Class Saloon (W126) 300 SE, SEL (126.024, 126.025) 1980 Brake Pads - 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 pads – MERCEDES-BENZ S-CLASS (W126). 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 6
    Mercedes W126 280 SE, SEL (126.022, 126.023) 1981 Brake Pads replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Important! Hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ S-CLASS (W126)
  4. Step 7
    Changing Brake Pads on MERCEDES-BENZ S-Class Saloon (W126) 380 SE, SEL (126.032) 1982 by yourself
    Remove the wheel.
  5. Step 8
    How to remove MERCEDES-BENZ S-CLASS 260 SE (126.020) 1983 Brake Pads - online easy-to-follow instructions
    Detach the connector of the brake pad wear sensor.
  6. Step 9
    How to replace Brake Pads on MERCEDES-BENZ S-Class Saloon (W126) 1984: 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 Pads replacement on Mercedes W126 560 SE, SEL 1985 - 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 Pads on MERCEDES-BENZ S-CLASS 1986? This free workshop manual will help you to do it yourself
    Spread the brake pads. Use a crowbar.
  9. Step 13
    Changing of Brake Pads on Mercedes W126 1987 won't be an issue if you follow this illustrated step-by-step guide
    Remove the brake caliper.
    Replacement: brake pads – MERCEDES-BENZ S-CLASS (W126). Tip from AUTODOC experts:
    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 S-CLASS 300 SE, SEL (126.024, 126.025) Brake Pads replacement: online guides and video tutorials
    Remove the brake pads.
    Replacement: brake pads – MERCEDES-BENZ S-CLASS (W126). Tip from AUTODOC:
    Measure the brake disc thickness. Upon reaching the wear limit the part must be replaced.
  11. Step 15
    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.
    Step 16
    Replacing Brake Pads on Mercedes W126 1989 300 SE, SEL (126.024, 126.025) by yourself
    Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.
  12. Step 17
    S-Class Saloon (W126) 260 SE (126.020) 1990 Brake Pads DIY replacement workshop manual
    Press in the brake caliper piston. Use brake caliper wind back tool.
  13. Step 18
    How to change Brake Pads on MERCEDES-BENZ S-Class Saloon (W126) 1991 - tips and tricks
    Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.
    AUTODOC recommends:
    Make sure the disc surface is clean before installing the pads.
  14. Step 19
    Step-by-step recommendations for DIY replacement Mercedes W126 1979 260 SE (126.020) Brake Pads
    Install new brake pads.
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DIY MERCEDES-BENZ S-Class Saloon (W126) Brake Pads replacement - online guide
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