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

Important!

This replacement procedure can be used for:
MERCEDES-BENZ VITO Bus (W639) 111 CDI (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 111 CDI 4x4 (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 115 CDI 4x4 (639.701, 639.705), MERCEDES-BENZ VITO Bus (W639) 110 CDI (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 113 CDI (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 116 CDI (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 122 CDI (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 116 CDI 4x4 (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 113 CDI 4x4 (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 119 (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 122 (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 109 CDI (639.701), MERCEDES-BENZ VITO Bus (W639) 123 (639.701), MERCEDES-BENZ VITO Bus (W639) 109 CDI (639.701, 639.703), MERCEDES-BENZ VITO Bus (W639) 109 CDI 4x4 (639.701), MERCEDES-BENZ VITO Bus (W639) 126 (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 111 CDI (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 120 CDI (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) 123 (639.701, 639.703, 639.705), MERCEDES-BENZ VITO Bus (W639) E-CELL (639.703) … View more

The steps may slightly vary depending on the car design.

How to change brake discs and brake pads on MERCEDES VITO W639 [TUTORIAL AUTODOC]

Alternative products

Brake disc

Replacement: brake discs – Mercedes Vito W639. Tools you need:

                      Wire brush
                    
                      Nylon cleaning brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Torque wrench
                    
                      Torx bit T30
                    
                      HEX bit no.H6.
                    
                      Drive socket # 21 
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Flat Screwdriver
                    
                      Brake caliper wind back tool
                    
                      Round-nose pliers
                    
                      Crow bar
                    
                      Wheel chock

Buy tools

Replacement: brake discs – Mercedes Vito W639. AUTODOC experts recommend:

The replacement procedure is identical for both brake disks on the same axle.
Replace the brake disks on the car Mercedes Vito W639 in complete set for each axis. Regardless of the state of components. This will ensure even braking.
When changing the brake discs, always replace the brake pads.
Please note: all work on the car – Mercedes Vito W639 – 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.

Replacement: brake discs – Mercedes Vito W639. Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 6

Remove the wheel.
Step 7

Remove the dust boot caps of the brake caliper guide pins.
Step 8

Disconnect the brake pad wear sensor plug. Use round-nose pliers.

Please note!
Some cars are not equipped with the brake pad wear sensor.
Step 9

Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
Step 10

Unscrew the brake caliper fastening. Use HEX No.H6. Use a ratchet wrench.
Step 11

Remove the guide pins from the brake caliper.

Step 12

Spread the brake pads. Use a crowbar.

Step 13

Remove the brake caliper.

Replacement: brake discs – Mercedes Vito W639. 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. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
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 caliper bracket fastening. Use a drive socket #21. Use a ratchet wrench.
Step 17

Remove the caliper bracket.
Step 18

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

Step 19

Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench.
Step 20

Remove the brake disc.
Step 21

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 22

Install the brake disc.
Step 23

Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 18 Nm torque.
Step 24

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.
Step 25

Install the brake caliper bracket.
Step 26

Tighten the brake caliper bracket. Use a drive socket #21. Use a torque wrench. Tighten it to 172 Nm torque.
Step 27

Remove the retaining springs of the brake pads. Use a flat screwdriver.

Step 28

Install the retaining springs of the brake pads.

Step 29

Install the brake pads. Use a flat screwdriver.
Step 30

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

Replacement: brake discs – Mercedes Vito W639. Tip:
After applying the spray, wait a few minutes.
Step 31

Press in the brake caliper piston. Use brake caliper wind back tool.
Step 32

Install the brake caliper and fix it.
Step 33

Screw in the guide pins.

Step 34

Tighten the brake caliper fasteners. Use HEX No.H6. Use a torque wrench. Tighten it to 35 Nm torque.
Step 35

Connect the brake pad wear sensor plug.
Step 36

Install the dust boot caps of the brake caliper guide pins. Use a flat screwdriver.
Step 37

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 38

Clean the brake disk surface. Use a brake cleaner.

Replacement: brake discs – Mercedes Vito W639. Tip from AUTODOC experts:
After applying the spray, wait a few minutes.
Step 39

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. Mercedes Vito W639
Step 40

Screw in the wheel bolts. Use wheel impact socket #17.
Step 41

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 130 Nm torque.
Step 42

Remove the jacks and chocks.

Replacement: brake discs – Mercedes Vito W639. Tip:
Check the brake fluid level in the expansion tank and refill if necessary.
Step 43

Tighten the brake fluid reservoir cap. Close the hood.

AUTODOC recommends:
Mercedes Vito W639 – Without starting the engine, press the brake pedal several times until it feels firm.

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