Front Brakes C54, Servicing

Front brakes, servicing

Note:
^ Install complete repair kit.
^ After replacing brake pads, depress brake pedal firmly several times with vehicle stationary so that the brake pads are properly seated in their normal operating position.
^ To draw off brake fluid from brake fluid reservoir use a bleeder bottle which is used only for brake fluid. Brake fluid is poisonous and must on no account be siphoned out by mouth using a hose!
^ When replacing brake components (brake discs, brake calipers or brake pads), always make sure you install the correct parts for the vehicle. This is essential for the proper function of the ESP.
^ The tightening torque for the brake lines is 15 Nm.





1. Brake disc cover
2. Collar bolt, 10 Nm
^ M6�12

3. Brake hose
^ Do not disconnect brake hose when changing brake pads

4. Spring clip
5. Brake line, 15 Nm
^ Screw into brake caliper housing
^ Screw into brake hose, counter hold on brake hose hexagon.

6. Self-locking bolt, 30 Nm
^ Always replace
^ When loosening and tightening, counter-hold on guide pin

7. Ribbed bolt, 190 Nm
^ Clean ribs if using again

8. Brake carrier with guide pins and protective cap
^ Replacement carriers are supplied assembled with sufficient grease on guide pins

9. Brake disc
^ Always replace both sides
^ Remove brake caliper prior to removing
^ Resurface evenly, on both sides, starting from thickness when new

10. Wheel bolts
11. Torx bolt
^ Tightening torque: 5 Nm

12. Heat shield
^ Insert into piston

13. Brake caliper housing
^ Do not disconnect brake hose when changing brake pads

14. Bracket
^ Bolt to brake caliper housing

15. Hex bolt -10 Nm-
16. Brake pads
^ With wear indicator (left-side and right-side)
^ Warning lamp in instrument cluster will light up when wear limit (2 to 3 mm) is reached.
^ Always replace both sides
^ Before installing pads, clean guide surfaces and apply a thin coating of lubricating paste G 000 650.
^ Checking pad thickness

17. Connector
1. Bracket