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Display symbol
Display message
O
I
Please
get a new key
Remove key
.
3rd brake lamp
AUTO-Light
inoperative
Possible cause/consequence
You are driving with the hood open. Risk of accident!
The SmartKey is malfunctioning.
You have forgotten to remove the
SmartKey from the starter switch.
The high mounted brake lamp is
malfunctioning. This message will
only appear if a critical number of
LEDs have stopped working.
The light sensor is malfunctioning.
The headlamps switch on automati-
cally.
Practical hints
Possible solution
Stop the vehicle in a safe location or as soon
as it is safe to do so.
Apply the parking brake ( page 59).
Close the hood ( page 294).
Contact an authorized Mercedes-Benz
Center.
Remove the SmartKey from the starter
switch.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Contact an authorized Mercedes-Benz
Center as soon as possible.
To switch off the headlamps (U.S. vehicles only):
In the control system, set lamp operation to
manual mode ( page 143).
Switch off headlamps using the exterior
lamp switch ( page 109).
What to do if ...
375
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