Recommended replacement interval for the part category Brake disc : 50000 km

Important!

This replacement procedure can be used for:
MERCEDES-BENZ M-Class (W163) ML 320 (163.154), MERCEDES-BENZ M-Class (W163) ML 430 (163.172), MERCEDES-BENZ M-Class (W163) ML 55 AMG (163.174), MERCEDES-BENZ M-Class (W163) ML 400 CDI (163.128), MERCEDES-BENZ M-Class (W163) ML 500 (163.175), MERCEDES-BENZ M-Class (W163) ML 350 (163.157), MERCEDES-BENZ M-Class (W163) ML 350 … View more

The steps may slightly vary depending on the car design.

How to change front brake discs on MERCEDES ML W163 [TUTORIAL AUTODOC]

All the parts you need to replace – Brake Discs for M-Class (W163) and other MERCEDES-BENZ models

Alternative products

Brake disc

Replacement: brake discs – Mercedes ML W163. Tools you need:

                      Wire brush
                    
                      Nylon cleaning brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Torque wrench
                    
                      Drive socket # 22 
                    
                      HEX bit No.H5
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Pin punch
                    
                      Hammer
                    
                      Tap wrench
                    
                      Rubber mallet
                    
                      Impact screwdriver
                    
                      Brake caliper wind back tool
                    
                      Crow bar
                    
                      Wheel chock

Buy tools

AUTODOC recommends:

Replace the brake disks on the car Mercedes ML W163 in complete set for each axis. Regardless of the state of components. This will ensure even braking.
The replacement procedure is identical for both brake disks on the same axle.
When changing the brake discs, always replace the brake pads.
Please note: all work on the car – Mercedes ML W163 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the bonnet. Unscrew the brake fluid reservoir cap.
Step 2

Secure the wheels with chocks.

Step 3

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 4

Raise the front of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes ML W163
Step 6

Remove the wheel.
Step 7

Detach the connector of the brake pad wear sensor.

Please note!
Some cars are not equipped with the brake pad wear sensor.
Step 8

Clean the brake caliper surface. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake discs – Mercedes ML W163. After applying the spray, wait a few minutes.
Step 9

Remove the brake pads retaining clips. Use a pin punch. Use a hammer. Use a crowbar.
Step 10

Remove the brake pads. Use a crowbar.
Step 11

Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 12

Unscrew the caliper bracket fastening. Use a drive socket #22. Use a ratchet wrench. Use a tap wrench.
Step 13

Remove the brake caliper together with its bracket.

Replacement: brake discs – Mercedes ML W163. AUTODOC experts recommend:
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. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 14

Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
Step 15

Unscrew the brake disc fastening. Use HEX No.H5. Use an impact screwdriver.
Step 16

Remove the brake disc. Use a rubber mallet.
Step 17

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 18

Install the brake disc.
Step 19

Tighten the brake disc fastening. Use HEX No.H5. Use a torque wrench. Tighten it to 8 Nm torque.
Step 20

Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake discs – Mercedes ML W163. After applying the spray, wait a few minutes.
Step 21

Install the brake caliper together with its bracket.
Step 22

Tighten the brake caliper bracket. Use a drive socket #22. Use a torque wrench. Tighten it to 180 Nm torque.
Step 23

Press in the brake caliper piston. Use brake caliper wind back tool. Use a crowbar.
Step 24

Install the brake pads.
Step 25

Install the brake pads retaining clips. Use a rubber mallet.
Step 26

Attach the connector of the brake pad wear sensor.
Step 27

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 28

Clean the brake disk surface. Use a brake cleaner.

Replacement: brake discs – Mercedes ML W163. Professionals recommend:
After applying the spray, wait a few minutes.
Step 29

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. Mercedes ML W163
Step 30

Screw in the wheel bolts. Use wheel impact socket #17.
Step 31

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 150 Nm torque.
Step 32

Remove the jacks and chocks.

Replacement: brake discs – Mercedes ML W163. Tip:
Without starting the engine, press the brake pedal several times until you feel significant resistance.Check the brake fluid level in the expansion tank and refill if necessary.
Step 33

Tighten the brake fluid reservoir cap. Close the hood.

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