Applying/releasing manually
– To apply: press handle 1.
The red 
(USA only) or
(Canada
only) indicator lamp in the instrument
cluster lights up.
The electric parking brake can also be
applied when the SmartKey is removed.
– To release: pull handle 1.
The red (USA only) or
(Canada
only) indicator lamp in the instrument
cluster goes out.
The electric parking brake cannot be
released unless the SmartKey is in position
1 in the ignition lock or the ignition has
been switched on using the Start/Stop
button.
To ensure that you don't roll backwards when pulling away on an uphill slope, engage the electric parking brake.
See also:
General notes
USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device mus ...
Remote vehicle locking
If you forget to lock your vehicle but are no
longer in the vicinity of the vehicle, it can be
locked for you by the Mercedes-Benz
Customer Assistance Center.
The vehicle can be locked remotely ...
Operating the on-board computer
The on-board computer is activated as soon
as you turn the SmartKey to position 2 in the
ignition lock.
You can control the multifunction display and
the settings in the on-board computer using ...