See also:

Switching on Blind Spot Assist
► Make sure that the radar sensor system and Blind Spot Assist are activated in the on-board computer. ► Turn the SmartKey to position 2 in the ignition lock. Warning lamps 1 light u ...

Problems with the SmartKey
Problem Possible causes/consequences and Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged. - ...

Premiere: Active Parking Assist including PARKTRONIC
Active Parking Assist will answer the prayers of many drivers in the chronically congested traffic areas of Europe: the Mercedes-Benz CLS-Class can not only detect parking spaces, but also help wi ...