317
Practical hints
What to do if …?
Display symbol Display messages Possible cause Possible solution
.
SWITCH OFF LIGHTS!
Lamps have been turned on although the
SmartKey in the starter switch is in
position 0.
왘 Turn off the headlamps.
TURN SIGNAL F, L
CHECK LAMP!
SUBSTITUTE LAMP ON!
The left front turn signal lamp is malfunc-
tioning. A back-up bulb is being used.
왘 Replace the bulb as soon as possible.
TURN SIGNAL F, R
CHECK LAMP!
SUBSTITUTE LAMP ON!
The right front turn signal lamp is mal-
functioning. A back-up bulb is being used.
왘 Replace the bulb as soon as possible.
TURN SIGNAL, L
CHECK LAMP!
SUBSTITUTE LAMP ON!
The left rear turn signal lamp is malfunc-
tioning. A back-up bulb is being used.
왘 Replace the bulb as soon as possible.
TURN SIGNAL, R
CHECK LAMP!
SUBSTITUTE LAMP ON!
The right rear turn signal lamp is malfunc-
tioning. A back-up bulb is being used.
왘 Replace the bulb as soon as possible.
TURN SIG. MIRROR, L
CHECK LAMP!
The left turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.
왘 Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
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