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How to change serpentine belt on MERCEDES-BENZ GL (X164) – replacement guide
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Recommended replacement interval for the part category Serpentine belt : 30000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ GL (X164) GL 500 4-matic (164.886), MERCEDES-BENZ GL (X164) GL 450 4-matic (164.871) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ GL (X164) GL 500 4-matic (164.886), MERCEDES-BENZ GL (X164) GL 450 4-matic (164.871) … 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 – Poly V-Belt for GL (X164) and other MERCEDES-BENZ models
Alternative products

Combination spanner #16
Fender cover
Replacement: serpentine belt – MERCEDES-BENZ GL-CLASS (X164). AUTODOC experts recommend:
- All work should be done with the engine stopped.
Carry out replacement in the following order:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3
Remove the engine cover.AUTODOC recommends:Replacement: serpentine belt – MERCEDES-BENZ GL-CLASS (X164). Do not use excessive force when removing the part as this may damage it. - Step 4
Remove the air intake hoses. - Step 5
Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #16. - Step 6
Remove the V-ribbed belt.Replacement: serpentine belt – MERCEDES-BENZ GL-CLASS (X164). AUTODOC recommends:Check the condition of the tensioner pulley and idler pulley. Replace them if necessary. - Step 7Return the tensioner pulley to its initial position.Step 8
Install the V-ribbed belt.Replacement: serpentine belt – MERCEDES-BENZ GL-CLASS (X164). Tip from AUTODOC:Make sure that the V-ribbed belt fits all pulleys snugly.
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