Practical hints
What to do if ...
Display symbol
Display message
.
Cornering Lamp
Left
Cornering Lamp
Right
Front Foglamp
Left
Front Foglamp
Right
High Beam
Left
High Beam
Right
478
Possible cause/consequence Possible solution
The left corner-illuminating front
fog lamp is malfunctioning.
The right corner-illuminating
front fog lamp is malfunctioning.
The left front fog lamp is
malfunctioning.
The right front fog lamp is
malfunctioning.
The left high beam lamp is
malfunctioning.
The right high beam lamp is
malfunctioning.
Replace the bulb as soon as possible
( page 510).
Replace the bulb as soon as possible
( page 510).
Replace the bulb as soon as possible
( page 510).
Replace the bulb as soon as possible
( page 510).
Halogen headlamp:
Replace the bulb as soon as possible
( page 508).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.
Halogen headlamp:
Replace the bulb as soon as possible
( page 508).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.