Idler Pulley 1372020119 MERCEDES-BENZ CLS (C218) & GL-CLASS (X166) & GLC (X253) & E-CLASS (W212) & E-CLASS (W213) & S-CLASS (W221, V221) & S-CLASS (W222, V222, X222)
IDLER PULLEY BENEFITS-
Improves efficiency and reduce downtime.
Maintain proper belt alignment and tension.
Prevent slippage and ensure smooth power transmission.
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Please share Vin/chassis number to know the Right Fitment for your Vehicle