Mercedes-Benz E-Class Sedan, Operator'S Manual

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Problem
Possible causes/consequences and M Solutions
R
The SmartKey is malfunctioning.
#
Activate KEYLESS-GO .
#
Check the battery using the battery check lamp and replace if necessary .
#
Use the mechanical key to lock or unlock the vehicle .
#
Have the vehicle and SmartKey checked at a qualified specialist workshop.
Switching the automatic locking feature
on/off
The vehicle is locked automatically when the
ignition is switched on and the wheels are turn‐
ing faster than walking pace.
#
To deactivate: press and hold button 1 for
approximately five seconds until an acoustic
signal sounds.
#
To activate: press and hold button 2 for
approximately five seconds until an acoustic
signal sounds.
Danger of being locked out when the function is
activated:
R
If the vehicle is being tow started/pushed.
R
On a roller dynamometer.
64 Opening and closing