Low-beam headlamps
To switch on the low-beam
headlamps: turn the SmartKey in the ignition lock to position 2 or
start the engine.
Turn the light switch to
.
The 
indicator lamp in the
instrument cluster lights up.
See also:
High-beam flasher
To switch on: turn the
SmartKey in the
ignition lock to position 1 or 2 or start the
engine.
Pull the combination switch in the
direction
of arrow 3. ...
Safety
The GLK350 sports all the active safety systems you'd expect in a modern
mom's car (especially a Mercedes): six airbags - including dual-stage driver and
front passenger airbags and side curtain a ...
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.
...