How to carry out replacement: Brake Pad Wear Sensor AMG S 63 5.5 4-matic (217.478) Mercedes A217
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Change Mercedes A217 AMG S 63 5.5 4-matic (217.478) Brake Pad Wear Sensor yourself – manuals and video tutorials

How to change front brake pad wear sensor on MERCEDES-BENZ S-Class Convertible (A217) – replacement guide

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When to replace the Brake Pad Wear Sensor on your MERCEDES-BENZ S-CLASS
Recommended replacement interval for the part category Brake pad wear sensor : 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ S-Class Convertible (A217) S 500 (217.482), MERCEDES-BENZ S-Class Convertible (A217) AMG S 63 4-matic (217.478), MERCEDES-BENZ S-Class Convertible (A217) AMG S 65 (217.479), MERCEDES-BENZ S-Class Convertible (A217) AMG S 63 (217.477), MERCEDES-BENZ S-Class Convertible (A217) S 650 Maybach (217.479), MERCEDES-BENZ S-Class Convertible (A217) AMG S 63 4-matic+ (217.488), MERCEDES-BENZ S-Class Convertible (A217) S 560 (217.483), MERCEDES-BENZ S-Class Convertible (A217) AMG S 63 (217.487) … 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 Pad Wear Sensor for S-Class Convertible (A217) and other MERCEDES-BENZ models
Alternative products
How to change Brake pad wear sensor on Mercedes A217 AMG S 63 5.5 4-matic (217.478) – step-by-step instructions for straightforward car repair Brake pad wear sensor
Tools
Replacement: brake pad wear sensor – MERCEDES-BENZ S-CLASS Convertible (A217). Tools you might need:
Wire brush
Nylon cleaning brush
WD-40 spray
Electronic spray
Brake cleaner
Anti-squeal paste
Ceramic grease
Torque wrench
Combination spanner #17
Drive socket # 13
Wheel impact socket #17
Ratchet wrench
Long nose pliers
Brake caliper wind back tool
Crow bar
Wheel chock
Buy tools
Replacement: brake pad wear sensor – MERCEDES-BENZ S-CLASS Convertible (A217). Tip from AUTODOC:
  • The replacement procedure is identical for both brake pad wear sensors on the same axle.
  • The wear sensors should be replaced together with the brake pads.
  • Please note: all work on the car – MERCEDES-BENZ S-CLASS Convertible (A217) – 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 Pad Wear Sensor on Mercedes A217 2015 - free PDF and video manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  2. Step 4
    Raise the car.
    Replacement: brake pad wear sensor – MERCEDES-BENZ S-CLASS Convertible (A217). 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 S-Class Convertible (A217) AMG S 63 5.5 4-matic (217.478) 2016 Brake Pad Wear Sensor - 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 S-CLASS Convertible (A217)
  3. Step 6
    Mercedes A217 S 500 4.7 (217.482) 2017 Brake Pad Wear Sensor replacement: free workshop manuals
    Remove the wheel.
  4. Step 7
    Changing Brake Pad Wear Sensor on MERCEDES-BENZ S-Class Convertible (A217) AMG S 63 5.5 (217.477) 2018 by yourself
    Detach the connector of the brake pad wear sensor. Use long nose pliers.
  5. Step 8
    How to remove MERCEDES-BENZ S-CLASS S 650 Maybach (217.479) 2019 Brake Pad Wear Sensor - 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 Pad Wear Sensor on MERCEDES-BENZ S-Class Convertible (A217) 2020: 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 Pad Wear Sensor replacement on Mercedes A217 S 560 (217.483) 2015 - download illustrated guide
    Remove the fastening bolts.
  8. Step 12
    Need to know how to renew Brake Pad Wear Sensor on MERCEDES-BENZ S-CLASS 2016? This free workshop manual will help you to do it yourself
    Remove the brake caliper.
    Replacement: brake pad wear sensor – MERCEDES-BENZ S-CLASS Convertible (A217). Tip:
    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 Pad Wear Sensor on Mercedes A217 2017 won't be an issue if you follow this illustrated step-by-step guide
    Remove the brake pads.
  10. Step 14
    MERCEDES-BENZ S-CLASS AMG S 63 5.5 4-matic (217.478) Brake Pad Wear Sensor replacement: online guides and video tutorials
    Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
    AUTODOC recommends:
    After applying the spray, wait a few minutes.Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
  11. Step 15
    Replacing Brake Pad Wear Sensor on Mercedes A217 2019 AMG S 63 5.5 4-matic (217.478) by yourself
    Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.
    AUTODOC recommends:
    Replacement: brake pad wear sensor – MERCEDES-BENZ S-CLASS Convertible (A217). After applying the spray, wait a few minutes.
  12. Step 16
    S-Class Convertible (A217) S 650 Maybach (217.479) 2020 Brake Pad Wear Sensor DIY replacement workshop manual
    Press in the brake caliper piston. Use brake caliper wind back tool.
  13. Step 17
    How to change Brake Pad Wear Sensor on MERCEDES-BENZ S-Class Convertible (A217) 2015 - tips and tricks
    Attach the new wear sensor to the new pad.
  14. Step 18
    Step-by-step recommendations for DIY replacement Mercedes A217 2016 S 650 Maybach (217.479) Brake Pad Wear Sensor
    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.
  15. Step 19
    DIY replacement of Brake Pad Wear Sensor on MERCEDES-BENZ S-Class Convertible (A217) AMG S 65 (217.479) 2017 is not an issue anymore with our step-by-step tutorial
    Install the brake pads.
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