2013 MERCEDES-BENZ S-CLASS SEDAN light

Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and
M Solutionsb
Check Left
Cornering
Light or Check
Right Cornering
Light The left or right-hand cornering light 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 Low
Beam
or Check
Right
Low Beam The left or right-hand low-beam headlamp 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
Turn
Signal or Check
Rear Right Turn
Signal The rear left-hand or rear right-hand turn signal 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
Turn
Signal or Check
Front Right Turn
Signal The front left-hand or front right-hand turn signal 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 Mirror
Turn
Signal or Check
Right Mirror Turn
Signal The turn signal in the left-hand or right-hand exterior mirror is
defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 282).
or
X Visit a qualified specialist workshop. Display messages
401
On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutionsb
Check
Left Reverse
Lamp or Check Right
Reverse Lamp The left or right-hand backup 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
Sidemarker
Lamp
or Check

Front
Right Sidemarker
Lamp The left or right front side marker 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
Sidemarker
Lamp or Check Rear
Right Sidemarker
Lamp The rear left or right side marker 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 Daytime
Running
Light or Check
Right Daytime
Running Light The left or right-hand daytime running 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
Active Headlamps
Inoperative The active light function is defective.
X
Visit a qualified specialist workshop. b
Malfunction See
Oper. Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. b
AUTO

Lamp Function
Inoperative The light sensor is defective.
X
Visit a qualified specialist workshop.
USA only:
X Switch off the daytime running lamps in the on-board computer
(Y page 385).
X Switch the lights on and off using the light switch. Display messages
403
On-board computer and displays Z

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

Display messages Possible causes/consequences and
M SolutionsÁ
Night View Assist
Currently
Unavailable The temperature of the camera is too high.
X
Wait until you see the Night View Assist Available
Again display message.
You can also:
X Fold the camera cover down ( Y page 467).
X Adjust the air distribution of the automatic air conditioning
upwards. Á
Night View Assist
Lights
Must Be Set
to AUTO or ON A condition for activating Night View Assist Plus has not been
fulfilled.
X
Turn the light switch to c or L.Á
Night View Assist
Not

In Reverse Gear A condition for activating Night View Assist Plus has not been
fulfilled.
X
Shift the transmission to P, N or D.Á
Night View Assist
Lights

ON or AUTO,
Not in R Gear A condition for activating Night View Assist Plus has not been
fulfilled.
X
Turn the light switch to c or L.
X Shift the transmission to P, N or D.Á
Night View Assist
Only When It Is
Dark You have attempted to activate Night View Assist Plus in the
daytime.
Night View Assist Plus can only be activated when it is dark.
¨
Vehicle Rising Your vehicle is adjusting to the level you have selected.
¨
Vehicle Rising
Please

Wait Briefly The vehicle level is too low when the vehicle is stationary. A
warning tone also sounds.
X
Do not pull away.
The vehicle level is set when the display message disappears. ¨
STOP Car Too Low You have pulled away while the vehicle level is still too low.
AIRMATIC sets the vehicle to the selected level after a short
period.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the electric parking brake.
X Wait until the display message disappears before pulling away. Display messages
409
On-board computer and displays Z

Display messages Possible causes/consequences and
M SolutionsG
Risk of accident
AIRMATIC is defective. A warning tone also sounds.
X Do not drive faster than 50 mph (80 km/h).
X Make only slight steering movements. Otherwise, the front
fender
or the tires could be damaged if the steering movement
is too large.
X Listen for scraping sounds.
X Pull over and stop the vehicle safely, paying attention to road
and traffic conditions, and select a higher vehicle level.
Depending on the malfunction, it may be possible to raise the
vehicle.
X Visit a qualified specialist workshop. ¨
Malfunction G
Risk of accident
The AIRMATIC function is restricted. The vehicle's handling
characteristics may be affected.
X Do not drive faster than 50 mph (80 km/h).
X Visit a qualified specialist workshop. ABC
Malfunction Stop
Vehicle The ABC (Active Body Control) vehicle level is too low.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
After

a few seconds, the vehicle level is adjusted and the display
message disappears. The vehicle is leaking oil.
The display message is shown continuously.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention

to road and traffic conditions. Do not continue driving
under any circumstances.
X Notify a qualified specialist workshop or breakdown service. The display message is shown continuously.
ABC is malfunctioning.
X
Do not drive faster than 50 mph (80 km/h).
X Make only slight steering movements. Otherwise, the front
fender

or the tires could be damaged if the steering movement
is too large.
X Listen for scraping sounds.
X Visit a qualified specialist workshop.410
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M SolutionsBlind Spot Assist
Currently
Unavailable See
Oper. Manual
or
Active Blind Spot
Assist Currently
Unavailable See
Oper. Manual Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative if:
R
the sensors are dirty.
R its function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior
mirrors.
Blind Spot Assist or Active Blind Spot Assist is operational again
and the display message disappears if:
R the dirt (e.g. slush) drops away while the vehicle is in motion.
R the system detects that the sensors are fully available again.
R the radar sensor system is back within the operating
temperature range.
If the display message continues to be displayed:
X Clean the sensors ( Y page 467).
X Restart the engine. Blind Spot Assist
Inoperative

or
Active Blind Spot
Assist Inoperative Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow
9 indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. Parking Guidance
Inoperative Parking Guidance is malfunctioning (
Y page 350).
X Restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop.412
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M SolutionsÂ
Key Not Detected
(White display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. Â
Key Detected In
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. Â
Remove 'Start'
Button and Insert
Key KEYLESS-GO is temporarily malfunctioning or is defective.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. Â
Close Doors to
Lock Vehicle At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again. Warning and indicator lamps in the instrument cluster
Seat belt
Problem Possible causes/consequences and
M Solutions7
After starting the
engine, the red seat
belt
warning lamp lights
up for six seconds. The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X
Fasten your seat belt ( Y page 57).7
After starting the
engine, the red seat
belt

warning lamp lights
up. In addition, a
warning tone sounds
for up to six seconds. G
Risk of injury
The driver's seat belt is not fastened.
X Fasten your seat belt ( Y page 57).
The warning tone ceases. 420
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Problem Possible causes/consequences and
M Solutions7
The red seat belt
warning lamp lights up
after the engine starts,
as soon as the driver's
or the front-passenger
door is closed.
G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt ( Y page 57).
The warning lamp goes out. G
Risk of injury
There are objects on the front-passenger seat.
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. 7
The red seat belt
warning lamp flashes
and an intermittent
audible warning
sounds.
G
Risk of injury
The driver or front passenger has not fastened their seat belt. In
addition, you are driving faster than 15 mph (25 km/h) or you have
briefly driven faster than 15 mph (25 km/h).
X Fasten your seat belt ( Y page 57).
The warning lamp goes out and the intermittent warning tone
ceases. G
Risk of injury
There are objects on the front-passenger seat. In addition, you are
driving faster than 15 mph (25 km/h
) or you have briefly driven
faster than 15 mph (25 km/h).
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases. Warning and indicator lamps in the instrument cluster
421
On-board computer and displays Z