Display messages Possible causes/consequences and
M Solutionsb
Check
Center Brake
Lamp The high-mounted brake lamp is faulty.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop. b
Check Left Tail
and Brake
Lamp
or Check
Right
Tail and Brake Lamp The left or right-hand tail lamp/brake lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop. b
Check Left High
Beam
or Check
Right
High Beam The left or right-hand high beam is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop. b
Check
Left License
Plate Lamp or Check
Right License
Plate Lamp The left or right-hand license plate lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop. b
Check Left Fog
Lamp
or Check
Right
Fog Lamp The left-hand or right-hand front fog lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop. b
Check Rear Left
Fog Lamp or Check
Rear
Right Fog Lamp The left-hand or right-hand rear fog lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop. b
Check Front Left
Parking
Lamp
or Check
Front
Right Parking Lamp The front left or front right parking or standing lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop.402
Display messages
On-board computer and displays
Display messages Possible causes/consequences and
M Solutionsb
Please Switch Off
Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to $ or c.
or
X If the rear fog lamp is switched on: press the light switch in to
the stop. Adaptive High-beam
Assist inoperative Adaptive Highbeam Assist is defective.
X
Visit a qualified specialist workshop. Engine
Display messages Possible causes/consequences and
M Solutions+
Check Coolant
Level See Oper.
Manual The coolant level is too low.
X
Add coolant, observing the warning notes when doing so
(Y page 460).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. G
WARNING
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.
! The
coolant level is too low. Avoid making long journeys with too little coolant in the cooling
system. The engine will otherwise be damaged.
The display messages and the corresponding symbol that indicate that the coolant level is
too low must not be ignored. 404
Display messages
On-board computer and displays
