See also:

Opening
Switch off the engine. Remove the SmartKey from the ignition lock. KEYLESS-GO: open the driver’s door. This switches the ignition to position 0, which corresponds to having removed the Sma ...

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. - ...

Detection of drowsiness based on 70 parameters as standard
Thanks to an innovative technology, the new Mercedes-Benz E-Class has developed a highly sensitive means of monitoring its driver's attention level, and warns him of drowsiness in good time. This ...