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Practical hints
What to do if …
Left display Right display Possible cause/consequence Possible solution
F
Key
still
in vehicle
A SmartKey with KEYLESS-GO* left
in the vehicle was recognized while
locking the vehicle from the out-
side.
̈ Take the SmartKey with KEYLESS-GO* out of
the vehicle.
.
3rd brake lamp
The high mounted brake lamp is
malfunctioning.
̈ Contact an authorized Mercedes-Benz Center
as soon as possible.
AUTO light
inoperative
The light sensor is malfunctioning.
The headlamps switch on automati-
cally.
̈ In the control system, set lamp operation to
manual mode (
୴ page 159).
̈ Switch on headlamps using the exterior lamp
switch.
̈ Contact an authorized Mercedes-Benz Center
as soon as possible.
Brake lamp
left
Auxiliary bulb on
The left brake lamp is malfunction-
ing. An auxiliary bulb has been
brought into use.
̈ Contact an authorized Mercedes-Benz Center
as soon as possible.
Brake lamp
Right
Substitute
bulb on
The right brake lamp is malfunction-
ing. A substitute bulb has been
brought into use.
̈ Contact an authorized Mercedes-Benz Center
as soon as possible.
Front foglamp
left
The left front fog lamp or left cor-
ner-illuminating front fog lamp is
malfunctioning.
̈ Contact an authorized Mercedes-Benz Center
as soon as possible.