Mechanical key
General notes
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door or the rear door, the anti-theft alarm system will be triggered .
► To end the alarm: 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.
See also:
Centrally locking and unlocking the
vehicle from the inside
WARNING
If children are left unsupervised in the vehicle,
they could:
• open the doors, thus endangering other
people or road users.
• get out and disrupt traffic.
• operate the vehicle's equipm ...
Off-road driving systems
4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are
permanently driven. Together with ESP® and
4ETS, it improves the traction of your vehicle
whenever a drive wheel spins d ...
Switching the seat heating on/off
General notes
WARNING
Repeatedly setting the seat heating to level
3 may result in excessive seat temperatures.
The health of passengers that have limited
temperature sensitivity or a limited a ...