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How to change rear brake pad wear sensor on MERCEDES-BENZ CLK Convertible (A209) – replacement guide
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Recommended replacement interval for the part category Brake pad wear sensor : 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ CLK Convertible (A209) CLK 200 Kompressor (209.442), MERCEDES-BENZ CLK Convertible (A209) CLK 200 CGI (209.343), MERCEDES-BENZ CLK Convertible (A209) CLK 240 (209.461), MERCEDES-BENZ CLK Convertible (A209) CLK 320 (209.465), MERCEDES-BENZ CLK Convertible (A209) CLK 500 (209.475), MERCEDES-BENZ CLK Convertible (A209) CLK 55 AMG (209.476), MERCEDES-BENZ CLK Convertible (A209) CLK 350 (209.456), MERCEDES-BENZ CLK Convertible (A209) CLK 280 (209.454), MERCEDES-BENZ CLK Convertible (A209) CLK 63 AMG (209.477), MERCEDES-BENZ CLK Convertible (A209) CLK 320 CDI (209.420), MERCEDES-BENZ CLK Convertible (A209) CLK 200 Kompressor (209.441), MERCEDES-BENZ CLK Convertible (A209) CLK 500 (209.472), MERCEDES-BENZ CLK Convertible (A209) CLK AMG DTM (209.476) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ CLK Convertible (A209) CLK 200 Kompressor (209.442), MERCEDES-BENZ CLK Convertible (A209) CLK 200 CGI (209.343), MERCEDES-BENZ CLK Convertible (A209) CLK 240 (209.461), MERCEDES-BENZ CLK Convertible (A209) CLK 320 (209.465), MERCEDES-BENZ CLK Convertible (A209) CLK 500 (209.475), MERCEDES-BENZ CLK Convertible (A209) CLK 55 AMG (209.476), MERCEDES-BENZ CLK Convertible (A209) CLK 350 (209.456), MERCEDES-BENZ CLK Convertible (A209) CLK 280 (209.454), MERCEDES-BENZ CLK Convertible (A209) CLK 63 AMG (209.477), MERCEDES-BENZ CLK Convertible (A209) CLK 320 CDI (209.420), MERCEDES-BENZ CLK Convertible (A209) CLK 200 Kompressor (209.441), MERCEDES-BENZ CLK Convertible (A209) CLK 500 (209.472), MERCEDES-BENZ CLK Convertible (A209) CLK AMG DTM (209.476) … 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 CLK Convertible (A209) and other MERCEDES-BENZ models
Alternative products

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
Replacement: brake pad wear sensor – MERCEDES-BENZ CLK Convertible (A209). 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-BENZ CLK Convertible (A209) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the bonnet. Unscrew the brake fluid reservoir cap.Step 2Secure the wheels with chocks.Step 3
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 4Raise the car.Replacement: brake pad wear sensor – MERCEDES-BENZ CLK Convertible (A209). 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.Step 5
Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ CLK Convertible (A209) - Step 6
Remove the wheel. - Step 7
Detach the connector of the brake pad wear sensor. Use long nose pliers. - Step 8
Clean the fasteners of the brake pad wear sensor wiring harness. Use a wire brush. Use WD-40 spray. - Step 9
Unscrew the fasteners of the brake pad wear sensor wiring harness. Use Torx E10. Use a ratchet wrench. - Step 10
Remove the fastening bolt. - Step 11
Detach the brake pad wear sensor wiring harness. - Step 12
Detach the brake caliper retaining spring. Use a crowbar. - Step 13
Remove the dust boot caps of the brake caliper guide pins. Use a crowbar. - Step 14
Unscrew the brake caliper fasteners. Use HEX No.H7. Use a ratchet wrench. - Step 15
Spread the brake pads. Use a crowbar. - Step 16
Remove the brake caliper.Replacement: brake pad wear sensor – MERCEDES-BENZ CLK Convertible (A209). 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. - Step 17
Remove the brake pads. - Step 18
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. - Step 19
Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.AUTODOC recommends:Replacement: brake pad wear sensor – MERCEDES-BENZ CLK Convertible (A209). After applying the spray, wait a few minutes.Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary. - Step 20
Press in the brake caliper piston. Use brake caliper wind back tool. - Step 21
Attach the new wear sensor to the new pad. - Step 22
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. - Step 23
Install the brake pads.
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