Problems with the SmartKey

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Service and literature
Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will exchange or repair any defective parts ...

General notes
In order to ensure the direct flow of fresh air through the air vents into the vehicle interior, please observe the following notes: • keep the air intake grill on the hood free of blockages, such ...

DEF (BlueTEC vehicles only)
Important notes on use To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. When the supply of DEF is almost used up, the Check Additive See Op ...