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Practical hints
What to do if …?
I
Take Your Key
From Ignition
You have forgotten to remove the
SmartKey.
̈ Remove the SmartKey from the starter
switch.
.
AUTO Lamp Function
Inoperative
The light sensor is malfunctioning. Daytime
driving lamps are switched on.
̈ In the instrument cluster control system, set
lamp operation to manual mode.
̈ Switch on headlamps using the exterior lamp
switch.
̈ Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Center Brake Lamp
The high mounted brake lamp is malfunc-
tioning. This message will only appear if all
light emitting diodes have stopped working.
̈ Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Left Brake Lamp
The left brake lamp is malfunctioning. ̈ Replace the bulb as soon as possible
(
୴ page 436).
Check
Right Brake Lamp
The right brake lamp is malfunctioning. ̈ Replace the bulb as soon as possible
(
୴ page 436).
Display Possible cause/consequence Possible solution