2013 MERCEDES-BENZ S-CLASS SEDAN lights
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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
Page 406 of 536
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
Page 411 of 536
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
Page 422 of 536
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
Page 423 of 536
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
Page 428 of 536
Problem Possible causes/consequences and
M Solutions֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. G
Risk of accident
ESP ®
, BAS, PRE-SAFE ®
, the HOLD function and hill start assist are
temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
ESP ®
will not stabilize the vehicle if it starts to skid or if a wheel
starts to spin.
Self diagnosis is not yet complete.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST 22
is deactivated.
X Carefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. F (USA only)
! (Canada only)
The red indicator lamp
for the electric parking
brake flashes and/or
the yellow warning
lamp for the electric
parking
brake lights up. The electric parking brake is temporarily malfunctioning or
defective.
X
Observe the additional display messages in the multifunction
display. 6
The red SRS warning
lamp is lit while the
engine is running.
G
Risk of injury
The restraint systems are malfunctioning. The air bags or ETDs
may either be triggered unintentionally or, in the event of an
accident, not be triggered at all.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 22
Not available on hybrid vehicles.426
Warning and indicator lamps in the instrument cluster
On-board computer and displays
Page 429 of 536
G
WARNING
In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be
operational.
For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Center
immediately
to have the system checked. Otherwise the SRS may not be activated when needed
in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and
unnecessarily which could also result in injury. Engine
Problem Possible causes/consequences and
M Solutions;
The yellow Check
Engine warning lamp
lights up while the
engine is running.
There may be a malfunction, for example:
R
in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system (for vehicles with a gasoline engine)
R in the fuel system
The emission limit values may be exceeded and the engine may
be running in emergency mode.
X Have the vehicle checked as soon as possible at a qualified
specialist workshop.
i In
some states, you are required by law to immediately visit a
qualified specialist workshop as soon as the yellow Check
Engine warning lamp lights up. If in doubt, check whether such
legal regulations apply in the state/province in which you are
currently driving. Vehicles with a diesel engine: the fuel tank has been run dry
(Y page 320).
X
Start the engine three to four times after refueling.
If the yellow Check Engine warning lamp goes out, emergency
running mode is canceled. The vehicle need not be checked. Warning and indicator lamps in the instrument cluster
427
On-board computer and displays Z
Page 430 of 536
Problem Possible causes/consequences and
M SolutionsThe yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the ;
yellow Check Engine
warning lamp may light
up. The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Observe the additional display messages in the multifunction
display.
X Check that the fuel filler cap is correctly closed.
X If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X If the fuel filler cap is closed: visit a qualified specialist
workshop. The yellow reserve fuel
warning lamp lights up
while the engine is
running. The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station. Driving systems
Problem Possible causes/consequences and
M Solutions·
The red distance
warning lamp lights up
while the vehicle is in
motion.
A warning tone
also sounds. G
Risk of accident
The warning is issued if you approach a stationary vehicle or a
vehicle driving ahead of you at too high a speed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
More information about DISTRONIC PLUS (Y page 332) and
PRE-SAFE ®
Brake (Y page 73). 428
Warning and indicator lamps in the instrument cluster
On-board computer and displays