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, 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 into the ignition lock.
Removing the mechanical key

1 Release catch
2 Mechanical key
■ Push release catch 1 in the direction of
the arrow and at the same time remove
mechanical key 2 from the SmartKey.
General driving tips
Important safety notes
WARNING
Always remember that you must concentrate
primarily on driving the vehicle. The driver's
concentration must always be directed
primarily at road traffic. For your o ...
Roadside Assistance
The Mercedes-Benz Roadside Assistance
Program offers technical help in the event of
a breakdown. Calls to the toll-free Roadside
Assistance Hotline are answered by our
agents 24 hours a day, 365 d ...
Manual drive program
Switching on the manual drive program
In manual drive program M, you can change
gear using the steering wheel paddle shifters
if the transmission is in position D. You can
see the currently select ...