2014 MERCEDES-BENZ S-CLASS COUPE AUX

X
Press the uand^ buttons simulta-
neously.
The Îsymbol in the remote control dis-
play flashes.
X Press the ,or. button to set the
desired departure time.
i The longer you press the
,or.
button, the faster the time changes.
X Press the uand^ buttons simulta-
neously.
The new departure time is stored.
When setting the departure time, observe the important safety notes (Y page 148).
Activating the set departure time X Briefly press the ubutton.
X Press the ,or. button repeatedly
until the desired departure time appears in
the display.
X Press the ubutton.
The Ísymbol, the departure time and,
depending on the selected departure time, the letter A, BorCappear in the display.
Deactivating the set departure time
X Briefly press the ubutton.
X Press the ,or. button.
The status of the auxiliary heating is shown in the display.
X Press the .button.
The first departure time stored appears in
the display.
X Press the ^button.
OFF
OFF is shown in the remote control display.
Switching the heater booster function
on/off The heater booster function helps the engine
reach its operating temperature faster during
its warm-up phase. This helps to heat the
vehicle interior faster. The heater booster
function switches on at lower outside tem-
peratures and lower coolant temperatures.
You can also activate the heater booster man- ually. X
Start the engine.
X To switch on: briefly press rocker
switch :up or down.
Red indicator lamp in rocker switch :
lights up.
X To switch off: briefly press rocker
switch :up or down.
Red indicator lamp in rocker switch :
goes out.
The fuel tank must be filled to at least reserve fuel level.
Replacing the remote control battery Important safety notes
G
WARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention immediately. H
Environmental note Batteries contain pollutants.
It is illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in anenvironmentally responsible
recycling system. Dispose of batteries in an
environmentally responsible
manner. Take discharged152
Operating the climate control systemClimate control

batteries to a qualified spe-
cialist workshop or to a col-
lection point for used batter-
ies.
Replacing the battery If the battery needs to be replaced, the bat-
tery symbol on the left of the display is shown as empty. A CR2450 lithium battery is
required when replacing the battery.
X Press a pointed object into recess :.
X Slide battery cover ;backwards in the
direction of the arrow.
X Remove old battery =.
X Insert the new battery with the lettering
facing upwards.
X Slide battery cover ;in the opposite direc-
tion to the arrow on the remote control until
it engages.
X Use the remote control to check the vehi-
cle's auxiliary heating functions. Operating the climate control system
153Climate control Z

Problems with the auxiliary heating/ventilation
Display messages
Possible causes/consequences and
M
MSolutions FAIL¨ The signal transmission between the transmitter and the vehicle is
faulty.
X Change your position in relation to the vehicle, moving closer if
necessary.
X Make another attempt to switch the auxiliary heating/ventila-
tion on or off using the remote control. FAIL The auxiliary heating cannot be switched on or has switched itself
off.
The starter battery is not sufficiently charged.
X Charge the starter battery.
X Make another attempt to switch on the auxiliary heating/venti-
lation using the remote control. The auxiliary heating cannot be switched on or has switched itself
off.
The fuel tank content is below the reserve fuel level.
X Refuel at the nearest filling station.
X Make another attempt to switch on the auxiliary heating using
the remote control. FAIL¯ The auxiliary heating/ventilation cannot be switched on or has
switched itself off during operation.
The auxiliary heating/ventilation is faulty.
X Have the auxiliary heating/ventilation checked at a qualified
specialist workshop. Adjusting the air vents
Important safety notes
G
WARNING
Very hot or very cold air can flow from the air vents. This could result in burns or frostbite in the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior. In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
R keep the air inlet between the windscreen
and the bonnet free of blockages, such as
ice, snow or leaves.
R never cover the vents or ventilation grilles
in the vehicle interior. 154
Adjusting the air ventsClimate control

Problems with the transmission
Problem
Possible causes/consequences and
M
MSolutions The transmission has
problems shifting gear. The transmission is losing oil.
X Have the transmission checked at a qualified specialist work-
shop immediately. 7G-TRONIC:
The acceleration ability
is deteriorating.
The transmission no
longer changes gear.
The transmission is in emergency mode.
It is only possible to shift into
secondgear and reverse gear.
X Stop.
X Shift the transmission to position P.
X Switch off the engine.
X Wait at least ten seconds before restarting the engine.
X Shift the transmission to position Dor R.
X Have the transmission checked at a qualified specialist work-
shop immediately. 9G-TRONIC:
The acceleration ability
is deteriorating.
The transmission no
longer changes gear.
The transmission is in emergency mode.
It is only partly possible to engage the gears or the transmission is
in position N.
X Stop.
X Shift the transmission to position P.
X Switch off the engine.
X Wait at least ten seconds before restarting the engine.
X Shift the transmission to position Dor R.
X Have the transmission checked at a qualified specialist work-
shop immediately. Refuelling
Important safety notes
G
WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is a risk of fire and explo-
sion.
You must avoid fire, naked flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before refuelling. G
WARNING
Fuels are poisonous and hazardous to health. There is a danger of injury.
Do not swallow fuel or let it come into contact
with skin, eyes or clothing. Do not inhale fuel
vapours. Keep fuels out of the reach of chil-
dren. Refuelling
175Driving and parking
Z

age the engine, the electronics or the trans-
mission.
If you have to drive on stretches of road on
which water has collected, please bear in
mind that:
R the maximum permissible still water depth
when the vehicle is raised is 25 cm
R you should drive no faster than walking
pace Winter driving
G
WARNING
If you shift down on a slippery road surface in an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
This increases the risk of skidding and having
an accident.
Do not shift down for additional engine brak-
ing on a slippery road surface. G
DANGER
If the exhaust pipe is blocked or adequate
ventilation is not possible, poisonous gases
such as carbon monoxide (CO) may enter the vehicle. This is the case, e.g. if the vehicle
becomes trapped in snow. There is a risk of
fatal injury.
If you leave the engine or the auxiliary heating
running, make sure the exhaust pipe and area
around the vehicle are clear of snow. To
ensure an adequate supply of fresh air, open a window on the side of the vehicle that is not
facing into the wind.
Have your vehicle winterproofed at a qualified specialist workshop at the onset of winter.
You should drive particularly carefully on slip-
pery road surfaces. Avoid sudden accelera-
tion, steering and braking manoeuvres. Do
not use cruise control or DISTRONIC PLUS. If the vehicle threatens to skid or cannot be
stopped when moving at low speed:
X Move the transmission to position N.
X Try to bring the vehicle under control by
using corrective steering.
The outside temperature indicator is not
designed to serve as an ice-warning device
and is therefore unsuitable for that purpose.
Changes in the outside temperature are dis-
played after a short delay.
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
You should pay special attention to road con-
ditions when temperatures are around the
freezing point.
For more information on driving with snow
chains, see (Y page 379).
For more information on driving with summer tyres, see (Y page 378).
Observe the notes in the "Winter operation"
section (Y page 378). Driving systems
Mercedes-Benz Intelligent Drive
Mercedes-Benz Intelligent Drive stands for
innovative driver assistance and safety sys-
tems which enhance comfort and support the
driver in critical situations. With these intelli-
gent co-ordinated systems Mercedes-Benz
has set a milestone on the path towards
autonomous driving.
Mercedes-Benz Intelligent Drive embraces all elements of active and passive safety in one
well thought out system – for the safety of the
vehicle occupants and that of other road
users.
Further information on driving safety systems (Y page 69). Driving systems
185Driving and parking Z

Audio player or audio media operation
:
Media source, e.g. name of current CD
; Current track
= Name of artist
? Name of album
A Folder name
Audio files from various audio players or
media can be played, depending on the equip-
ment fitted in the vehicle.
X Switch on COMAND Online; see the sepa-
rate operating instructions.
X Use ò on the steering wheel to call up
the list of menus.
X Press the :or9 button on the steer-
ing wheel to select the Media
Media menu.
X Confirm by pressing aon the steering
wheel.
X To select audio player or data carrier:
press abriefly, to open the list of media
sources.
X Use : or9 to select the correspond-
ing audio player or audio media.
X Press ato confirm the selection.
X To open the track list: press:or9
briefly.
X To select next/previous track from the
track list: briefly press :or9.
X To select a track from the track list
using rapid scrolling: press and
hold : or9 until the desired track is
reached.
If you press and hold the :or9
button, the rapid scrolling speed is increased. Not all audio devices or media
support this function.
If the corresponding track information is
stored on the audio drive or audio media, the multifunction display may display the follow-
ing:
R track number
R track name
R artist
R album
The track information does not appear in
audio AUX mode ( Auxiliary audio mode:
external audio source connected).
Video DVD operation X
Switch on COMAND Online; see the sepa-
rate operating instructions.
X Use ò on the steering wheel to call up
the list of menus.
X Press the :or9 button on the steer-
ing wheel to select the Media
Media menu.
X Confirm by pressing aon the steering
wheel.
X To select DVD single drive or data car-
rier: press abriefly, to open the list of
media sources.
X Use : or9 to select the correspond-
ing DVD player or DVD media.
X Press ato confirm.
X To open the scene list: press:or
9 briefly. Menus and sub
menus
253On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions 4
Check eng. oil Check eng. oil
lev. when next lev. when next
refuelling refuelling The engine oil level has dropped to the minimum level.
A warning tone also sounds.
X Check the oil level when next refuelling, at the latest
(Y page 338).
X If necessary, top up the engine oil (Y page 340).
X Have the engine checked at a qualified specialist workshop if the
engine oil needs topping up more often than usual.
! Avoid long journeys when there is too little coolant in the cool-
ing system. Otherwise the engine will be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.co m.4
Add Add
1
1litre
litre engine
engine
oil
oil when
when next
next refu‐
refu‐
elling
elling The engine oil level has dropped to the minimum level.
X Check the oil level when next refuelling, at the latest
(Y page 338).
X If necessary, top up the engine oil (Y page 340).
X Have the engine checked at a qualified specialist workshop if the
engine oil needs topping up more often than usual.
! Avoid long journeys when there is too little coolant in the cool-
ing system. Otherwise the engine will be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com. 4
Engine oil level Engine oil level
Stop vehicle Stop vehicle
Switch engine off Switch engine off The engine oil level is too low. There is a risk of engine damage.
X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Secure the vehicle to prevent it from rolling away (Y page 178).
X Check the engine oil level (Y page 338).
X If necessary, top up the engine oil (Y page 340).8
Reserve fuel level Reserve fuel level 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. C C There is very little fuel in the fuel tank.
The auxiliary heating cannot be operated.
X Refuel at the nearest filling station without fail. 284
Display messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions Tyre press. moni‐
Tyre press. moni‐
tor currently tor currently
unavailable unavailable Due to a source of radio interference, no signals can be received
from the wheel sensors. The tyre pressure monitor is temporarily
malfunctioning.
X Drive on.
The tyre pressure monitor restarts automatically as soon as the
cause has been rectified. Wheel sensor(s) Wheel sensor(s)
missing missing There is no signal from the tyre pressure sensor of one or several
wheels. The pressure of the affected tyre is not displayed in the
multifunction display.
X Have the faulty tyre pressure sensor replaced at a qualified spe-
cialist workshop. Tyre press. moni‐ Tyre press. moni‐
tor tor
inoperative
inoperative No
No
wheel sensors
wheel sensors The wheels fitted do not have suitable tyre pressure sensors. The
tyre pressure monitor is deactivated.
X Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitor is activated automatically after driv-
ing for a few minutes. Tyre press. moni‐ Tyre press. moni‐
tor inoperative tor inoperative The tyre pressure monitor is faulty.
X Visit a qualified specialist workshop. Vehicle
Display messages
Possible causes/consequences and
M
MSolutions To start engine,
To start engine,
shift to either P shift to either P
or N or N You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. Auxiliary battery Auxiliary battery
malfunction malfunction The auxiliary battery for the transmission is no longer being
charged.
X Visit a qualified specialist workshop. Apply brake to Apply brake to
deselect Park (P) deselect Park (P)
position position You have attempted to move the transmission selector lever to
position
D,Ror Nwithout depressing the brake pedal.
X Depress the brake pedal. Display
messages
295On-board computer and displays Z