General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door or the trunk lid/ tailgate, the anti-theft alarm system will be triggered.
There are several ways to turn off the alarm:
•► To turn the alarm off with the
SmartKey: press the 
or
button
on the SmartKey.
or
•► Insert the SmartKey into the ignition lock.
or
•► To deactivate the alarm with KEYLESSGO:
press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
•► Lock or unlock the vehicle using KEYLESSGO.
The SmartKey must be outside the vehicle.
If you unlock the vehicle using the mechanical key, the fuel filler flap will not be unlocked automatically.
•► To unlock the fuel filler flap: insert the SmartKey in the ignition lock.
See also:
Resetting to factory settings
For safety reasons, the Daytime Running
Lamps function in the Lighting submenu is
only reset when the engine is switched off.
► Press
on the steering wheel
to select the Settings menu.
...
Product information
Mercedes-Benz recommends that you use
genuine Mercedes-Benz parts, conversion
parts and accessories that have been
approved for the type of vehicle.
Mercedes-Benz tests genuine parts as well as
...
Daytime running lamps
Daytime running lamps in Canada
The daytime running lamps function is
required by law in Canada. It cannot therefore
be deactivated.
Turn the light switch to or
.
With the engine running: de ...