2014 MERCEDES-BENZ S-CLASS COUPE warning light

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions !
N
The yellow ABS warning lamp is lit while the engine is running. A warning
tone also sounds.
EBD is unavailable due to a malfunction. Therefore, ABS, BAS, BAS PLUS with
Cross-Traffic Assist, COLLISION PREVENTION ASSIST PLUS, ESP ®
,
PRE‑SAFE ®
, PRE‑SAFE ®
PLUS, PRE‑SAFE ®
Brake, the HOLD function, Hill Start
Assist, Crosswind Assist, Adaptive brake lights, STEER CONTROL, Active Lane
Keeping Assist and Active Blind Spot Assist are also unavailable.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions
listed above. The front and rear wheels could therefore lock, for example, if you
brake hard.
The steerability and braking characteristics may be severely affected. The
braking distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Visit a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
303On-board computer and displays Z

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions J÷
!
N
The red brake warning lamp, the yellow ESP ®
warning lamp and the yellow
ABS warning lamp are lit while the engine is running.
ABS and ESP ®
are unavailable due to a fault. Therefore, BAS, BAS PLUS with
Cross-Traffic Assist, COLLISION PREVENTION ASSIST PLUS, EBD,
PRE‑ SAFE ®
, PRE‑ SAFE®
PLUS, PRE‑ SAFE®
Brake, the HOLD function, Hill Start
Assist, Crosswind Assist, Adaptive brake lights, STEER CONTROL, Active Lane
Keeping Assist and Active Blind Spot Assist are also unavailable.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions
listed above. The front and rear wheels could therefore lock, for example, if you
brake hard.
The steerability and braking characteristics may be severely affected. The
braking distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Visit a qualified specialist workshop. ÷
N
The yellow ESP ®
warning lamp flashes while the vehicle is in motion.
ESP ®
or traction control has intervened because there is a risk of skidding or
at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
X Only depress the accelerator pedal as far as necessary when pulling away.
X Accelerate more gently while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
In rare cases (Y page 75), it may be best to deactivate ESP ®
. 304
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ÷
N
The yellow ESP ®
warning lamp is lit while the engine is running.
ESP ®
, BAS, BAS PLUS with Cross-Traffic Assist, COLLISION PREVENTION
ASSIST PLUS, PRE ‑SAFE®
, PRE‑SAFE ®
PLUS, PRE‑SAFE ®
Brake, the HOLD
function, Hill Start Assist, Crosswind Assist, Adaptive brake lights, STEER
CONTROL, Active Lane Keeping Assist and Active Blind Spot Assist are
unavailable due to a malfunction.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions
listed above.
The braking distance may thus increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Visit a qualified specialist workshop. å
N
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deactivated.
G WARNING
If ESP ®
is deactivated, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Reactivate ESP ®
.
In rare cases (Y page 75), it may be best to deactivate ESP ®
.
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Drive on carefully.
X Have ESP ®
checked at a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
305On-board computer and displays Z

Engine
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ;
N
The yellow engine diagnostics warning lamp lights up while the engine is
running.
There may be a fault, 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 running in emergency mode.
X Have the vehicle checked as soon as possible at a qualified specialist work-
shop. 8
N
The yellow reserve fuel warning lamp is on while the engine is running.
The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level drops into the reserve range.
X Refuel at the nearest filling station. ?
N
The red coolant warning lamp lights up while the engine is running and the
coolant temperature gauge is at the start of the bar display.
The temperature sensor for the coolant temperature gauge is faulty.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
X Stop the vehicle immediately, paying attention to road and traffic condi-
tions, and switch off the engine. Do not continue driving under any circum-
stances.
X Secure the vehicle against rolling away (Y page 178).
X Consult a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
307On-board computer and displays Z

Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions X
Leave the vehicle and keep a safe distance from the vehicle until the engine
has cooled down.
X Check the coolant level and top up the coolant, observing the warning notes
(Y page 340).
X If you have to top up the coolant frequently, have the engine cooling system
checked.
X Make sure that the air supply to the engine radiator is not blocked, e.g. by
frozen slush.
X At coolant temperatures below 125 †, drive to the nearest qualified spe-
cialist workshop.
X Avoid putting the engine under heavy load as you do so, e.g. driving in
mountainous terrain and stop-start traffic. Driving systems
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ·
N
The red distance warning lamp lights up while the vehicle is in motion.
The distance to the vehicle in front is too small for the speed selected.
X Increase the distance. ·
N
The red distance warning lamp lights up while the vehicle is in motion. A
warning tone also sounds.
You are approaching a vehicle or a stationary obstacle in your line of travel 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.
Further information on PRE ‑SAFE®
Brake (Y page 77).
For further information about the distance warning function of COLLISION
PREVENTION ASSIST PLUS, see (Y page 73). Warning and indicator lamps in the instrument cluster
309On-board computer and displays Z

X
To open: slide cover on chrome element :
backwards.
To close: lightly press chrome element :.
Stowage compartment/telephone com-
partment under the armrest X
To open: press button :or; and fold the
armrest to the left or right.
Depending on the vehicle's equipment, a USB port, an AUX-IN jack or a Media Interface areinstalled in the stowage compartment. A
Media Interface is a universal interface for
portable audio or video equipment, e.g. for an
iPod ®
, iPhone ®
or MP3 player (see the sepa-
rate COMAND Online operating instructions).
Stowage compartment under the driver'sand front-passenger seat G
WARNING
If you exceed the maximum permitted load of the stowage compartment, the cover is
unable to restrain the objects. Objects may be
thrown out of the stowage compartment and
hit vehicle occupants as a result. There is a risk of injury, particularly in the event of sud-
den braking or a sudden change in direction.
Always observe the maximum load of the
stowage compartment. Stow and secure
heavy objects in the boot.
The maximum permissible load of the stow-
age compartment is 1.5 kg. X
To open: pull handle :up and fold
cover ;forwards.
On vehicles with a fire extinguisher, the fire
extinguisher is located in the stowage com-
partment under the driver's seat.
Stowage compartments in the doors You can store items such as a rolled up fluo-
rescent jacket and a small umbrella in stow-
age compartment ;in the doors.
Bottles with a capacity of up to 1.0 lmay be
stored in doors :.316
Stowage areasStowing and features

Rear window roller sunblind
Important safety notes G
WARNING
Parts of the body could be trapped in the
sweep of the roller sunblind when the roller
sunblind is extended or retracted. There is a
risk of injury.
When extending or retracting make sure that
no parts of the body are in the sweep of the
roller sunblind. Briefly press the button again if someone becomes trapped. The opening/
closing process is stopped.
! Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged.
At temperatures below Ò20 † the roller sun-
blind cannot be operated.
Extending/retracting from the driver's
seat X
Turn the key to position 1or 2in the ignition
lock (Y page 159).
X To extend or retract: briefly press but-
ton :.
The roller sunblind fully extends or fully
retracts.
X To stop: briefly press button :again.
The roller sunblind stops briefly and
retracts into the out-of-use position. Ashtray
Front ashtray X
To open: briefly press marking ?.
Stowage compartment =opens.
X To remove the insert: grip the sides of
insert :, push it forward and pull it
upwards ;.
X To refit the insert: press insert:into the
drawer until it engages.
X To close: press stowage compartment =
closed until it locks. Cigarette lighter
Important safety notes G
WARNING
You can burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
In addition, flammable materials can ignite if:
R the hot cigarette lighter falls
R a child holds the hot cigarette lighter to
objects, for example
There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children unattended in the vehicle.
Your attention must always be focused on the traffic conditions. Only use the cigarette 322
FeaturesStowing and features

Socket in the boot
X
Lift up the cover of socket :.Coolbox in the rear compartment
Important safety notes G
WARNING
If you cover the ventilation grille for the cool-
box, it may overheat. There is a risk of fire.
Always make sure that the ventilation grille is not covered.
The ventilation grille for the coolbox is in the
boot.
The coolbox can bear a maximum load of
3.5 kg.
If you want to store a bottle in the upper com-
partment of the coolbox, the capacity of the
bottle must not exceed 0.5 l.
Store only plastic bottles in the upper com-
partment of the coolbox.
Using the coolbox X
Vehicles with rear seat armrest: fold
down the rear seat armrest.
X Pull handle :and fold down cover ;. X
To open: pull handle :on the cover.
X Fold the cover out to the front.
X To switch cooling level to low: press but-
ton ;once.
An indicator lamp in the button lights up.
X To switch cooling level to high: press
button ;twice.
Both indicator lamps in the button light up.
X To switch off cooling: press button;
repeatedly until the indicator lamps go out.
The cooling output of the coolbox depends on
the ambient temperature and the selected
cooling level.
The coolbox reduces its cooling output or
switches off if:
R many electrical consumers are turned on
R the starter battery is not sufficiently
charged
This is indicated by the flashing indicator
lamps in the button. The cooling function will automatically switch back on as soon as there
is sufficient voltage.
Caring for the coolbox If you do not need to use the coolbox for an
extended period you should switch it off,
defrost it and clean it. After doing so, leave
the lid open for a time.324
FeaturesStowing and features