Display symbol
Display messages
.
Reverse lamp,
left
Reverse lamp,
right
Switch off lights
Tail lamp, left
Substitute bulb on
Tail lamp, right
Substitute bulb on
Possible cause
The left reverse light is malfunc-
tioning.
The right reverse light is mal-
functioning.
Lamps have been turned on al-
though the SmartKey in the
starter switch is in position 0.
The left tail lamp is malfunction-
ing. A substitute bulb is being
used.
The right tail lamp is malfunc-
tioning. A substitute bulb is be-
ing used.
Practical hints
What to do if ...
Possible solution
Replace the bulb as soon as possible.
Replace the bulb as soon as possible.
Switch off the headlights.
Visit an authorized Mercedes-Benz Light
Truck Center as soon as possible.
Visit an authorized Mercedes-Benz Light
Truck Center as soon as possible.
421