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
Unscrew the wheel bolts.
AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W210
Step 7
Remove the wheel.
Step 8
Detach the brake caliper retaining spring. Use a crowbar.
Step 9
Disconnect the brake pad wear sensor. Use long nose pliers.
Step 10
Spread the brake pads. Use a crowbar.
Step 11
Remove the caps from the brake caliper guide pin boots. Use a crowbar.
Step 12
Unscrew the brake caliper fasteners. Use HEX No.H7. Use a ratchet wrench.
Step 13
Remove the brake caliper.
AUTODOC recommends:
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 14
Remove the brake pads.
Step 15
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 16
Unscrew the brake caliper bracket fasteners. Use a drive socket #18. Use a ratchet wrench.
Step 17
Remove the fastening bolts.
Step 18
Remove the brake caliper bracket.
Step 19
Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
Step 20
Unscrew the brake disc fasteners. Use HEX No.H5. Use a ratchet wrench.
Step 21
Remove the fastening bolt.
Step 22
Remove the brake disc.
Step 23
Clean the wheel hub. Use a wire brush.
Step 24
Treat the contacting surface. Use ceramic grease.
Step 25
Install a new brake disc.
Step 26
Install the fastening bolt.
Step 27
Tighten the brake disc fasteners. Use HEX No.H5. Use a torque wrench. Tighten it to 10 Nm torque.
Step 28
Clean the brake caliper bracket of dirt and dust. Use a wire brush. Use a brake cleaner.
Step 29
Install the brake caliper bracket.
Step 30
Install the fastening bolts.
Step 31
Tighten the brake caliper bracket fasteners. Use a drive socket #18. Use a torque wrench. Tighten it to 115 Nm torque.
Step 32
Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.
Replacement: brake discs – Mercedes W210. Tip:
Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 33
Press in the brake caliper piston. Use brake caliper wind back tool.
Step 34
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 35
Install the brake pads.
Step 36
Install the brake caliper and fasten it.
Step 37
Tighten the brake caliper fasteners. Use HEX No.H7. Use a torque wrench. Tighten it to 25 Nm torque.
Step 38
Install the caps on the brake caliper guide pin boots.
Step 39
Connect the brake pad wear sensor.
Step 40
Install the brake pad retaining clip. Use a crowbar.
Step 41
Treat the surface where the brake disc contacts the wheel rim. Use ceramic grease.
Step 42
Clean the brake disk surface. Use a brake cleaner.
Step 43
Install the wheel.
AUTODOC recommends:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 44
Screw in the wheel bolts. Use wheel impact socket #17. Use a ratchet wrench.
Step 45
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 110 Nm torque.
Step 46
Remove the jacks and chocks.
AUTODOC recommends:
Without starting the engine, press the brake pedal several times until you feel significant resistance.Important! Replacement: brake discs – Mercedes W210. Check the brake fluid level in the reservoir and top up if necessary.
Step 47
Tighten the brake fluid reservoir cap.
Step 48
Close the bonnet.
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