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What to do if …
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F
Key
not recognized!
The SmartKey with KEYLESS-GO* is
not recognized while the engine is
running because
ț the SmartKey with
KEYLESS-GO* is not in the vehi-
cle
ț there is strong radio-frequency
interference
̈ Stop the vehicle as soon as it is safe to do so.
̈ Search for the SmartKey with KEYLESS-GO*
or continue to operate the vehicle with the
SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again af-
ter the engine is stopped.
The SmartKey with KEYLESS-GO* is
momentarily not recognized.
̈ Change the position of the SmartKey with
KEYLESS-GO* in the vehicle.
̈ Operate the vehicle with the SmartKey if
necessary.
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 light
The high mounted brake lamp is
malfunctioning.
̈ Visit an authorized Mercedes-Benz Center as
soon as possible.
Brake lamp
Left
Back-up
lamp on!
The left brake lamp is malfunction-
ing. A backup bulb has been
brought into use.
̈ Visit an authorized Mercedes-Benz Center as
soon as possible.