2015 MERCEDES-BENZ S-Class COUPE warning light

Display messages
Possible causes/consequences and
0050
0050Solutions 0075
Front Front
Left
LeftMalfunc‐
Malfunc‐
tion Service
tion Service
Required Required orFront
Front
Right Malfunction
Right Malfunction
Service Required Service Required The restraint system has malfunctioned at the front on the left or
right. The 0075warning lamp also lights up in the instrument clus-
ter.
G WARNING
The air bags or Emergency Tensioning Devices may either be trig- gered unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 0075
Rear Left Malfunc‐ Rear Left Malfunc‐
tion Service tion Service
Required Required
orRear
Rear
Right Malfunction
Right Malfunction
Service Required Service Required The restraint system has malfunctioned at the rear on the left or
right. The 0075warning lamp also lights up in the instrument clus-
ter.
G WARNING
The air bags or Emergency Tensioning Devices may either be trig- gered unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 0075
Left Side Curtain Left Side Curtain
Airbag Airbag
Malfunction
Malfunction
Service Required
Service Required
or Right Side Cur‐ Right Side Cur‐
tain Airbag Mal‐
tain Airbag Mal‐
function Service function Service
Required Required There is a malfunction in the left-hand or right-hand window cur-
tain air bag. The
0075warning lamp also lights up in the instrument
cluster.
G WARNING
The left or right window curtain air bag may either be triggered
unintentionally or, in the event of an accident, may not be trig-
gered.
There is an increased risk of injury. X Visit a qualified specialist workshop. Display
messages
257On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions Front Passenger
Front Passenger
Airbag Disabled Airbag Disabled
See See
Operator's
Operator's Man‐
Man‐
ual
ual The front-passenger air bag is deactivated during the journey, even
though:
R an adult
or
R a person of the corresponding stature is on the front-passenger
seat
If additional forces are applied to the seat, the system may inter-
pret the occupant's weight as lower than it actually is.
G WARNING
The front-passenger air bag does not deploy during an accident.
There is an increased risk of injury. X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 166).
X Switch the ignition off.
X Have the occupant get out of the vehicle.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the PASSENGER AIR BAG indicator lamps in the center
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the PASSENGER AIR BAG OFF and PASSENGER AIR BAG ON
indicator lamps must light up simultaneously for approx-
imately six seconds.
R the PASSENGER AIR BAG OFF indicator lamp must then light
up and remain lit. If the indicator lamp is on, OCS has disabled the front-passenger air bag (Y page 52).
R the display messages Front FrontPassenger
Passenger Airbag
AirbagEnabled
Enabled
See Operator's Manual
See Operator's Manual orFront Passenger Airbag
Front Passenger Airbag
Disabled
Disabled See
SeeOperator's
Operator's Manual
Manualmust not appear in the
multifunction display.
X Wait for a period of at least 60 seconds until the necessary sys-
tem checks have been completed.
X Make sure that the display messages do not appear in the mul-
tifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the PASSENGER AIR BAG OFF or ON
indicator lamp remains lit or goes out depends on how OCS clas- sifies the occupant.
If the conditions are not fulfilled, the system is not operating cor-
rectly. 258
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions X
Visit a qualified specialist workshop immediately.
For further information about the Occupant Classification System, see (Y page 52). Front Passenger
Front Passenger
Airbag Airbag
Enabled
Enabled See
See
Operator's Manual
Operator's Manual The front-passenger air bag is enabled during the journey, even
though:
R a child, a small adult or an object weighing less than the sys-
tem's weight threshold is located on the front-passenger seat
or
R the front-passenger seat is unoccupied
The system may detect objects or forces applying additional
weight on the seat.
G WARNING
The air bag may deploy unintentionally.
There is an increased risk of injury. X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 166).
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system from the front-
passenger seat.
X Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detect the additional weight and
interpret the seat occupant's weight as greater than it actually
is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the PASSENGER AIR BAG indicator lamps in the center
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the PASSENGER AIR BAG OFF and PASSENGER AIR BAG ON
indicator lamps must light up simultaneously for approx-
imately six seconds.
R the PASSENGER AIR BAG OFF indicator lamp must then light
up and remain lit. If the indicator lamp is on, OCS (Occupant
Classification System) has deactivated the front-passenger
air bag (Y page 52).
R the display messages Front FrontPassenger
Passenger Airbag
AirbagEnabled
Enabled
See Operator's Manual
See Operator's Manual orFront Passenger Airbag
Front Passenger Airbag Display
messages
259On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions 0049
Check Front Left Check Front Left
Parking Lamp Parking Lamp
or
Check Front Right
Check Front Right
Parking Lamp Parking Lamp The front left or front right parking or standing lamp is defective.
X Visit a qualified specialist workshop. 0049
Backup Light Backup Light The left or right-hand backup lamp is defective.
X Visit a qualified specialist workshop. 0049
Check Front Left Check Front Left
Sidemarker Lamp Sidemarker Lamp
or
Check Front Right
Check Front Right
Sidemarker Lamp Sidemarker Lamp The front left-hand or front right-hand side marker lamp is faulty.
X Visit a qualified specialist workshop. 0049
Check Rear Left Check Rear Left
Sidemarker Lamp Sidemarker Lamp
or
Check Rear Right
Check Rear Right
Sidemarker Lamp Sidemarker Lamp The rear left-hand or rear right-hand side marker lamp is faulty.
X Visit a qualified specialist workshop. 0049
Check Check
Left
LeftDaytime
Daytime
Running Light
Running Light or
Check Right Day‐
Check Right Day‐
time Running Light time Running Light The left or right-hand daytime running lamp is faulty.
X Visit a qualified specialist workshop. 0049
Active Headlamps Active Headlamps
Inoperative Inoperative The active light function is defective.
X Visit a qualified specialist workshop. 0049
Malfunction See Malfunction See
Operator’s Manual Operator’s Manual The exterior lighting is defective.
X Visit a qualified specialist workshop. 0049
Auto Auto
Lamp
LampFunction
Function
Inoperative
Inoperative The light sensor is defective.
X Visit a qualified specialist workshop. 0049
Switch Off Lights 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 0058.262
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions 003D
Stop Vehicle See Stop Vehicle See
Operator's Manual Operator's Manual The battery is no longer being charged and the battery charge level
is too low.
A warning tone also sounds.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 166).
X Observe the instructions in the 003DSee SeeOperator's
Operator's Manual
Manual
display message.
X Consult a qualified specialist workshop. 003D
Start Engine See Start Engine See
Operator's Manual Operator's Manual The engine is switched off and the battery charge level is too low.
X Switch off electrical consumers that you do not need, such as
the rear window defroster and interior lighting.
X Leave the engine running for a few minutes or drive a long dis-
tance.
The battery is being charged. 00B2
Check Engine Oil Check Engine Oil
At Next Refueling At Next Refueling The engine oil level has dropped to the minimum level.
A warning tone also sounds.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
X Check the oil level when next refueling, at the latest
(Y page 319).
X If necessary, add engine oil (Y page 321).
X Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com. 00B2
Check Engine Oil Check Engine Oil
Level Level
(Add
(Add1
1quart)
quart) The engine oil level has dropped to the minimum level.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
X Check the oil level when next refueling, at the latest
(Y page 319).
X If necessary, add engine oil (Y page 321).
X Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com. Display
messages
265On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions 00AB
Vehicle Rising Vehicle Rising
Please Wait Please Wait The vehicle level is too low when the vehicle is stationary. A warn-
ing tone also sounds.
X Do not pull away.
The vehicle level is set when the display message disappears. 00AB
Stop Vehicle Vehi‐ Stop Vehicle Vehi‐
cle Too Low cle 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 Secure the vehicle against rolling away (Y page 166).
X Wait until the display message disappears before pulling away. AIRMATIC is defective. A warning tone also sounds.
X Do not drive at speeds above 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. 00AB
Malfunction Malfunction The AIRMATIC function is restricted. The vehicle's handling char-
acteristics may be affected.
X Do not drive at speeds above 50 mph (80 km/h).
X Visit a qualified specialist workshop. ABC Malfunction
ABC Malfunction
Stop Vehicle Stop Vehicle The Active Body Control (ABC) 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 Consult a qualified specialist workshop. Display messages
267On-board computer and displays Z

Warning and indicator lamps in the instrument cluster
Safety
Seat belts Warning/
indicator
lamp
0051 0051
Signal type
Possible causes/consequences and 0050
0050Solutions 00E9
0051
After starting the engine, the red seat belt warning lamp lights up for
6 seconds.
The seat belt warning lamp reminds the driver and front passenger to fasten
their seat belts.
X Fasten your seat belt (Y page 46).00E9
0051
After starting the engine, the red seat belt warning lamp lights up. In addi-
tion, a warning tone sounds for up to 6 seconds.
The driver's seat belt is not fastened.
X Fasten your seat belt (Y page 46).
The warning tone ceases. 00E9
0051
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.
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 46).
The warning lamp goes out.
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. 00E9
0051
The red seat belt warning lamp flashes and an intermittent audible warning
sounds.
The driver or front passenger has not fastened their seat belt. The vehicle is
being driven faster than 15 mph (25 km/h) or has briefly been driven faster
than 15 mph (25 km/h).
X Fasten your seat belt (Y page 46).
The warning lamp goes out and the intermittent warning tone ceases.
There are objects on the front-passenger seat. The vehicle is being driven
faster than 15 mph (25 km/h) or has briefly been 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
279On-board computer and displays Z

Engine
Warning/
indicator
lamp
0051 0051
Signal type
Possible causes/consequences and 0050
0050Solutions 00B9
0051
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
R in the fuel system
The emission limit values may be exceeded and the engine may be in emer-
gency mode.
X Have the vehicle checked as soon as possible at a qualified specialist work-
shop.
i In some states, you must immediately visit a qualified specialist workshop
as soon as the yellow Check Engine warning lamp lights up. This is due to the
legal requirements in effect in these states. If in doubt, check whether such legal regulations apply in the state in which you are currently driving. 00B6
0051
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. 00B6
0051
The yellow reserve fuel warning lamp flashes while the vehicle is in motion.
In addition, the 00B9Check 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 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.286
Warning and indicator lamps in the instrument clusterOn-board computer and displays