Mercedes-Benz G-Class 2012 Owners Manual - Manual (Page 170)

Lights
Display messages Possible causes/consequences and M Solutions
b
Low-Beam Left or
Low-Beam Right
The left or right-hand low-beam headlamp is defective.
X Visit a qualified specialist workshop.
b
AUTO-Light
Inoperative
The light sensor is defective. The low-beam headlamps are
switched on.
X USA only: set the lights to manual operation in the on-board
computer (
Y page 160).
X Switch the lights on and off using the light switch.
X Visit a qualified specialist workshop.
b
Turn signal rear
left Back-up bulb
on or Turn signal
rear right Back-up
bulb on
The rear left-hand or rear right-hand turn signal is defective.
Another lamp has taken over its function.
X Replace the bulb ( Y page 94).
b
Turn signal left
mirror or Turn
signal right mirror
The turn signal in the left-hand or right-hand exterior mirror is
defective. These messages will only appear if all of the turn signal's
LEDs have failed.
X Visit a qualified specialist workshop.
b
Turn signal front
left Back-up bulb
on or Turn signal
front right Back-
up bulb on
The front left-hand or front right-hand turn signal is defective.
Another lamp has taken over its function.
X Replace the bulb ( Y page 94).
b
Brake lamp left or
Brake lamp right
The left or right-hand brake lamp is defective.
X Replace the bulb ( Y page 94).
b
High-mounted brake
lamp
The high-mounted brake lamp is faulty. This message will only
appear if all of the brake lamp's LEDs have failed.
X Visit a qualified specialist workshop.
168
Display messages
On-board computer and displays