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, 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 KEYLESS-GO: press the Start/Stop button in the ignition lock. The SmartKey must be in the vehicle.
or
Lock or unlock the vehicle using KEYLESS-GO. 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:
Washing by hand
Carefully remove all deposits of road salt as
soon as possible when driving in winter.
Also, clean the insides of the wheels when
washing the underbody of the vehicle.
•► Do not use hot wa ...
Important safety notes
WARNING
On slippery road surfaces, never downshift in
order to obtain braking action. This could
result in drive wheel slip and reduced vehicle
control. Your vehicle's ABS will not prevent
...
DISTRONIC PLUS displays in the speedometer
When DISTRONIC PLUS is activated, one or
two segments 2 in the set speed range light
up.
For design reasons, the speed
displayed
in the speedometer may differ slightly from
the speed set ...