SmartKey

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Problems with the transmission
Problem Possible causes/consequences and Solutions The transmission has problems shifting gear. The transmission is losing oil. Have the transmission checked at a qualif ...

Cleaning the exterior lighting
► Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning cl ...

DEF
Important notes on use To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. Adding DEF is one of the tasks performed during maintenance. Under no ...