See also:

Deactivating/activating the ECO start/ stop function
Example: ECO button If indicator lamp 2 is off, the ECO start/ stop function has been deactivated manually or as the result of a malfunction. The engine will then not be switched off automat ...

General information
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. ► Check the battery ...

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 pa ...