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

Important!

This replacement procedure can be used for:
MERCEDES-BENZ VIANO (W639) CDI 2.2 (639.811, 639.813, 639.815, 639.711, 639.713), MERCEDES-BENZ VIANO (W639) CDI 2.2 (639.811, 639.813, 639.815, 639.711, 639.713), MERCEDES-BENZ VIANO (W639) CDI 3.0 (639.811, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) CDI 2.2 4-matic (639.811, 639.813, 639.815, 639.711,..., MERCEDES-BENZ VIANO (W639) CDI 2.2 4-matic (639.811, 639.813, 639.815, 639.711,..., MERCEDES-BENZ VIANO (W639) 3.2 (639.711, 639.811, 639.813), MERCEDES-BENZ VIANO (W639) 3.2 (639.713, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) CDI 2.2 (639.711, 639.713, 639.811, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) CDI 2.0 (639.711, 639.713, 639.811, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) 3.7 (639.815), MERCEDES-BENZ VIANO (W639) CDI 2.0 4-matic (639.713), MERCEDES-BENZ VIANO (W639) CDI 2.2 4-matic (639.711, 639.713, 639.811, 639.813,..., MERCEDES-BENZ VIANO (W639) CDI 3.0 (639.811, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) CDI 2.0 (639.711, 639.713, 639.811, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) 3.5 (639.811, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) 3.7 (639.811, 639.813, 639.815), MERCEDES-BENZ VIANO (W639) CDI 2.0 4-matic (639.711, 639.713, 639.811, 639.813,... … 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 Discs for VIANO (W639) and other MERCEDES-BENZ models

Alternative products

Brake disc

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). Tools you might need:

                      Wire brush
                    
                      Nylon cleaning brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Torque wrench
                    
                      Torx bit T30
                    
                      Drive socket # 12 
                    
                      Drive socket # 18 
                    
                      Wheel impact socket #17
                    
                      Brake caliper wind back tool
                    
                      Ratchet wrench
                    
                      Tap wrench
                    
                      Flat Screwdriver
                    
                      Hammer
                    
                      Crow bar
                    
                      Wheel chock

Buy tools

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). AUTODOC recommends:

The replacement procedure is identical for both brake disks on the same axle.
Replace the brake disks on the car MERCEDES-BENZ VIANO (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.
All work should be done with the engine stopped.

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). Take the following steps:

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 rear of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). Professionals recommend:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 6

Remove the wheel.
Step 7

Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
Step 8

Unscrew the brake caliper fastening. Use a drive socket #12. Use a ratchet wrench.
Step 9

Spread the brake pads. Use a crowbar.
Step 10

Remove the guide pins from the brake caliper.

Step 11

Remove the brake caliper.

Replacement: brake discs – MERCEDES-BENZ VIANO (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 12

Remove the brake pads.
Step 13

Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 14

Unscrew the caliper bracket fastening. Use a drive socket #18. Use a ratchet wrench. Use a tap wrench.
Step 15

Remove the caliper bracket.
Step 16

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

Step 17

Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench.
Step 18

Remove the brake disc. Use a hammer.
Step 19

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 20

Install the brake disc.
Step 21

Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 18 Nm torque.
Step 22

Move the parking brake shoes against the drum. Use a flat screwdriver.

Step 23

Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). Professionals recommend:
After applying the spray, wait a few minutes.
Step 24

Install the brake caliper bracket.
Step 25

Tighten the brake caliper bracket. Use a drive socket #18. Use a torque wrench. Tighten it to 106 Nm torque.
Step 26

Install the brake pads.
Step 27

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

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). Tip:
After applying the spray, wait a few minutes.
Step 28

Press in the brake caliper piston. Use brake caliper wind back tool.
Step 29

Install the brake caliper and fix it.
Step 30

Screw in the guide pins.

Step 31

Tighten the brake caliper fasteners. Use a drive socket #12. Use a torque wrench. Tighten it to 32 Nm torque.
Step 32

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 33

Clean the brake disk surface. Use a brake cleaner.

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). Tip from AUTODOC experts:
After applying the spray, wait a few minutes.
Step 34

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. MERCEDES-BENZ VIANO (W639)
Step 35

Screw in the wheel bolts. Use wheel impact socket #17.
Step 36

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 37

Remove the jacks and chocks.

Replacement: brake discs – MERCEDES-BENZ VIANO (W639). Tip:
Check the brake fluid level in the expansion tank and refill if necessary.
Step 38

Tighten the brake fluid reservoir cap. Close the hood.

AUTODOC recommends:
MERCEDES-BENZ VIANO (W639) – Without starting the engine, press the brake pedal several times until it feels firm.

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