See also:

General notes
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 in ...

The drive system: Four new engines giving the ultimate in driving pleasure
Efficiency at the highest level: this is the common characteristic shared by all four engines used in the Mercedes-Benz CLS-Class. All of the engines feature increased performance and torque compa ...

Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. ► Make sure that ...