Practical hints
Vehicle status messages in the multifunction display
Lamps
Display messages
Check
Center Brake Lamp
Check Left
Cornering Light
or
Check Right
Cornering Light
Check
Left Low Beam
or
Check
Right Low Beam
Active Headlamps
Inoperative
540
Possible cause/consequence
The high mounted brake lamp is
malfunctioning. This message will only
appear if a critical number of LEDs have
stopped working.
The left or right corner-illuminating lamp
is malfunctioning.
The left or right low-beam lamp is
malfunctioning.
The active headlamps are malfunctioning.
Possible solution
X
Contact an authorized Mercedes-Benz Center
as soon as possible.
X
Replace the bulb as soon as possible
(
Y
page 565).
X
Contact an authorized Mercedes-Benz Center
as soon as possible.
X
Contact an authorized Mercedes-Benz Center
as soon as possible.