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How to change auxiliary indicator on MERCEDES-BENZ VIANO (W639) – replacement guide
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Recommended replacement interval for the part category Side indicator : 12 month / 15000 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.
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 – Turn Signal Light for VIANO (W639) and other MERCEDES-BENZ models
Side indicator
Alternative products

Electronic spray
Torx bit T10
Flat screwdriver
Plastic trim tool
Fender cover
Replacement: auxiliary indicator – MERCEDES-BENZ VIANO (W639). Tip from AUTODOC:
- Replace both turn signal repeater lights at the same time.
- The procedure for replacing the right and left turn signal repeater lights is the same.
- Please note: all work on the car – MERCEDES-BENZ VIANO (W639) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Switch on the ignition.Step 2Turn the mirror glass all the way inward.Step 3Switch off the ignition.Step 4Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
- Step 5Carefully release the mirror glass from its attachment. Use a plastic trim tool.
- Step 6Remove the mirror glass.AUTODOC recommends:Replacement: auxiliary indicator – MERCEDES-BENZ VIANO (W639). Do not use excessive force when removing the part as this may damage it.Step 7Detach the mirror heating connectors.
- Step 8Unscrew the mirror cover frame fasteners. Use Torx T10.
- Step 9Release the mirror cover frame tabs. Use a flat screwdriver.
- Step 10Remove the mirror cover frame.
- Step 11Release the mirror cover frame tabs. Use a plastic trim tool.
- Step 12Remove the wing mirror cover.
- Step 13Detach the connector of the turn signal repeater light. Use a flat screwdriver.
- Step 14Unscrew the fasteners of the turn signal repeater light from the mirror cover. Use Torx T10.
- Step 15Release the tabs of the turn signal repeater light from the mirror cover.
- Step 16Remove the turn signal repeater light.AUTODOC recommends:Replacement: auxiliary indicator – MERCEDES-BENZ VIANO (W639). To avoid damaging the part when removing it, do not use excessive force.
- Step 17Install a new turn signal repeater light.AUTODOC recommends:When installing, do not use excessive force to avoid damage to the part.
- Step 18Snap the tabs of the turn signal repeater light back on the mirror cover. Make sure you hear a click indicating that it is locked in place.AUTODOC recommends:Replacement: auxiliary indicator – MERCEDES-BENZ VIANO (W639). Do not use excessive force during installation. This may damage the part.
- Step 19Screw in the fasteners connecting the turn signal repeater light to the mirror cover. Use Torx T10.
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