Problems with the key
Problem
Possible causes/consequences and
M
M
Solutions
You can no longer lock
the vehicle.
The turn signals do not
flash when the vehicle is
locked.
The doors are not closed properly.
X
Close the doors properly and lock the vehicle again.
The central locking system has malfunctioned.
X
Lock the vehicle with the emergency key element (
Y
page 61) and
then close the doors.
X
Have the central locking system checked as soon as possible at a
qualified specialist workshop.
You can no longer lock or
unlock the vehicle.
The key battery is weak or discharged.
X
Check the battery using the battery indicator lamp and replace if
necessary (
Y
page 57).
X
Lock or unlock the vehicle using the emergency key element
(
Y
page 57).
The key is faulty.
X
Lock the vehicle with the emergency key element (
Y
page 61).
X
Have the key checked at a qualified specialist workshop.
Vehicle with smart key:
you cannot start the
engine.
The key battery is weak or discharged.
X
Hold the smart key against the Start/Stop button to start the engine
(
Y
page 57).
You have lost a key.
X
Have the key deactivated at a qualified specialist workshop.
X
If necessary, have the mechanical locks replaced.
Doors
Notes on double lock
Only vehicles for the United Kingdom have the
double lock.
G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get
out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle.
If the vehicle has been locked with the key, the
double lock function is activated as standard.
You can deactivate the double lock function by
deactivating the interior motion sensor
(
Y
page 65).
Opening the doors from inside
Doors
59
Opening
and
closing
Z
