Notes on display messages
The display shows warnings, malfunctions
or additional information. A warning tone
also sounds with some display messages.
Messages from all categories can contain
important information that must be
observed. Have error messages checked at a
Mercedes-Benz Service Centre as soon as
possible. If an error message is not followed
up with a repair, this can lead to damage
that is not covered by the Mercedes-Benz
Limited Warranty including injuries or
material damage.
Display messages with graphic symbols are
simplified in the Owner's Manual and may
differ from the symbols in the display.
Colour display: low-priority display mes-
sages can be hidden by pressing a on
the steering wheel. High-priority messages
are shown in red. The display messages are
then stored in the message memory and can
be called up for as long as the ignition
remains switched on. Switching off the
ignition clears the message memory.
Locking and unlocking
Problem
Possible causes/consequences and M Solutions
The key does not lock
or unlock the vehicle.
A strong source of radio waves is interfering with the signal.
X
Stand closer to the door lock and try to lock/unlock the vehi-
cle again.
Key battery is low or discharged.
X
Unlock the vehicle with the key in the emergency release or
lock the vehicle with emergency locking.
X
Replace the key battery.
Key is faulty.
To lock:
X
Press the locking button and close the door within
five seconds.
The vehicle still will not lock.
X
Lock driver's door using emergency locking.
X
Consult a qualified specialist workshop.
To unlock:
X
Unlock vehicle with the key in the emergency release.
X
Consult a qualified specialist workshop.
Key is lost.
X
Have the key deactivated or replaced at a qualified specialist
workshop.
X
Report loss of the key to vehicle insurer.
Locking and unlocking
191
>> Practical advice.
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