How to carry out replacement: Brake Pad Wear Sensor C 220 CDI 2.2 (204.008) W204
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Change W204 C 180 CGI 1.8 (204.049) Brake Pad Wear Sensor yourself – manuals and video tutorials

How to change rear brake pad wear sensor on Mercedes W204 – replacement guide

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When to replace the Brake Pad Wear Sensor on your MERCEDES-BENZ C-CLASS
Recommended replacement interval for the part category Brake pad wear sensor : 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.001), MERCEDES-BENZ C-Class Saloon (W204) C 250 CDI 4-matic (204.082), MERCEDES-BENZ C-Class Saloon (W204) C 300 CDI 4-matic (204.092), MERCEDES-BENZ C-Class Saloon (W204) C 350 (204.057), MERCEDES-BENZ C-Class Saloon (W204) C 350 4-matic (204.088), MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI (204.023), MERCEDES-BENZ C-Class Saloon (W204) C 200 (204.048), MERCEDES-BENZ C-Class Saloon (W204) C 200 Kompressor (204.041), MERCEDES-BENZ C-Class Saloon (W204) C 230 (204.052), MERCEDES-BENZ C-Class Saloon (W204) C 280 (204.054), MERCEDES-BENZ C-Class Saloon (W204) C 230 4-matic (204.085), MERCEDES-BENZ C-Class Saloon (W204) C 280 4-matic (204.081), MERCEDES-BENZ C-Class Saloon (W204) C 350 CGI (204.065), MERCEDES-BENZ C-Class Saloon (W204) C 250 CDI (204.003), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.002), MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI (204.022), MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI 4-matic (204.089), MERCEDES-BENZ C-Class Saloon (W204) C 250 CGI (204.047), MERCEDES-BENZ C-Class Saloon (W204) C 300 (204.054), MERCEDES-BENZ C-Class Saloon (W204) C 300 4-matic (204.081), MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI (204.025), MERCEDES-BENZ C-Class Saloon (W204) C 350 CDI 4-matic (204.092), MERCEDES-BENZ C-Class Saloon (W204) C 180 CGI (204.049), MERCEDES-BENZ C-Class Saloon (W204) C 200 CGI (204.048), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.008), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 4-matic (204.084), MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI (204.002), MERCEDES-BENZ C-Class Saloon (W204) C 300 (204.055), MERCEDES-BENZ C-Class Saloon (W204) C 300 4-matic (204.080) … View more

The steps may slightly vary depending on the car design.

How to change brake pad wear sensor on MERCEDES W204 [TUTORIAL AUTODOC]

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Published on: 20/07/2022
14K views
All the parts you need to replace – Brake Pad Wear Sensor for C-Class Saloon (W204) and other MERCEDES-BENZ models
Alternative products
How to change Brake pad wear sensor on W204 C 220 CDI 2.2 (204.008) – step-by-step instructions for straightforward car repair Brake pad wear sensor
Tools
Replacement: brake pad wear sensor – Mercedes W204. Tools you need:
Wire brush
Nylon cleaning brush
WD-40 spray
Electronic spray
Brake cleaner
Anti-squeal paste
Ceramic grease
Torque wrench
Torx bit E10
HEX bit no.H7
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 W204. AUTODOC recommends:
  • 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 W204 – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    How to change Brake Pad Wear Sensor on W204 2007 - free PDF and video manuals
    Open the bonnet. Unscrew the brake fluid reservoir cap.
  2. Step 2
    Secure the wheels with chocks.
    Step 3
    How to replace MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 2.2 (204.008) 2008 Brake Pad Wear Sensor - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 4
    W204 C 200 CDI (204.007, 204.006) 2009 Brake Pad Wear Sensor replacement: free workshop manuals
    Raise the car.
    Replacement: brake pad wear sensor – Mercedes W204. Tip from AUTODOC:
    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.
  4. Step 5
    Changing Brake Pad Wear Sensor on MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.001) 2010 by yourself
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W204
  5. Step 6
    How to remove MERCEDES-BENZ C-CLASS C 180 1.8 Kompressor (204.046) 2011 Brake Pad Wear Sensor - online easy-to-follow instructions
    Remove the wheel.
  6. Step 7
    How to replace Brake Pad Wear Sensor on MERCEDES-BENZ C-Class Saloon (W204) 2012: download PDF manuals and video instructions
    Detach the connector of the brake pad wear sensor. Use long nose pliers.
  7. Step 8
    How hard is it to do yourself: Brake Pad Wear Sensor replacement on W204 C 200 1.8 Kompressor (204.041) 2013 - download illustrated guide
    Clean the fasteners of the brake pad wear sensor wiring harness. Use a wire brush. Use WD-40 spray.
  8. Step 9
    Need to know how to renew Brake Pad Wear Sensor on MERCEDES-BENZ C-CLASS 2014? This free workshop manual will help you to do it yourself
    Unscrew the fasteners of the brake pad wear sensor wiring harness. Use Torx E10. Use a ratchet wrench.
  9. Step 10
    Changing of Brake Pad Wear Sensor on W204 2007 won't be an issue if you follow this illustrated step-by-step guide
    Remove the fastening bolt.
  10. Step 11
    MERCEDES-BENZ C-CLASS C 180 CGI 1.8 (204.049) Brake Pad Wear Sensor replacement: online guides and video tutorials
    Detach the brake pad wear sensor wiring harness.
  11. Step 12
    Replacing Brake Pad Wear Sensor on W204 2009 C 220 CDI 2.2 (204.008) by yourself
    Detach the brake caliper retaining spring. Use a crowbar.
  12. Step 13
    C-Class Saloon (W204) C 180 1.8 Kompressor (204.046) 2010 Brake Pad Wear Sensor DIY replacement workshop manual
    Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
  13. Step 14
    How to change Brake Pad Wear Sensor on MERCEDES-BENZ C-Class Saloon (W204) 2011 - tips and tricks
    Unscrew the brake caliper fasteners. Use HEX No.H7. Use a ratchet wrench.
  14. Step 15
    Step-by-step recommendations for DIY replacement W204 2012 C 180 1.8 Kompressor (204.046) Brake Pad Wear Sensor
    Spread the brake pads. Use a crowbar.
  15. Step 16
    DIY replacement of Brake Pad Wear Sensor on MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 2.2 (204.002) 2013 is not an issue anymore with our step-by-step tutorial
    Remove the brake caliper.
    Replacement: brake pad wear sensor – Mercedes W204. 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.
  16. Step 17
    How to change Brake Pad Wear Sensor on W204 2007 - free PDF and video manuals
    Remove the brake pads.
  17. Step 18
    How to replace MERCEDES-BENZ C-Class Saloon (W204) C 220 CDI 2.2 (204.008) 2008 Brake Pad Wear Sensor - step-by-step manuals and video guides
    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.
  18. Step 19
    W204 C 200 CDI (204.007, 204.006) 2009 Brake Pad Wear Sensor replacement: free workshop manuals
    Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.
    AUTODOC recommends:
    Replacement: brake pad wear sensor – Mercedes W204. After applying the spray, wait a few minutes.Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
  19. Step 20
    Changing Brake Pad Wear Sensor on MERCEDES-BENZ C-Class Saloon (W204) C 200 CDI (204.001) 2010 by yourself
    Press in the brake caliper piston. Use brake caliper wind back tool.
  20. Step 21
    How to remove MERCEDES-BENZ C-CLASS C 180 1.8 Kompressor (204.046) 2011 Brake Pad Wear Sensor - online easy-to-follow instructions
    Attach the new wear sensor to the new pad.
  21. Step 22
    How to replace Brake Pad Wear Sensor on MERCEDES-BENZ C-Class Saloon (W204) 2012: download PDF manuals and video instructions
    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.
  22. Step 23
    How hard is it to do yourself: Brake Pad Wear Sensor replacement on W204 C 200 1.8 Kompressor (204.041) 2013 - download illustrated guide
    Install the brake pads.
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