2012 MERCEDES-BENZ CLS COUPE key

Deactivating/activating th
eECO start/
stop function EC
Ob utton
X To switch off (except AMG vehicles):
press button :.
Indicator lamp ;on button :and the
¤ symbol in th emultifunction display go
out.
X To switch on (except AMG vehicles):
press button :.
Indicator lamp ;lights up. If all conditions
fo ra utomatic engin eswitch-off
(Y page 145) are fulfilled, the ¤symbol
is shown in green in th emultifunction dis-
play.
If no tall condition sfor automatic engine
switch-off (Y page 145) are fulfilled, the
¤ symbol is shown in yellow in th emul-
tifunction display. If this is th ecase, the
ECO start/sto pfunction is no tavailable.
X To switch off (AMG vehicles): press but-
ton :in drive program C.
or
X Switch to drive program S,S+ orM
(Y page1 52).
Indicator lamp ;on button :and the
¤ symbol in the multifunction display go
out.
The Stop/Start active or
Stop/Start inactive message in the AMG menu in the
multifunction display goes out. X
To switch on (AMG vehicles): press but-
ton :.
Indicator lamp ;lights up. If drive pro-
gram S,S+ orMis active, the automatic
transmission switches to drive program C.
If all conditions for automatic engine
switch-off (Y page145) are fulfilled, the
¤ symbol is show ningreen in the mul-
tifunction display.Ina ddition,the Stop/ Start active message is shown in the
AMG menu in the multifunction display.
If condition sfor automatic engin eswitch-
off have not been fulfilled, the (Y page 145)
¤ symbol will be shown in yellow. If this
is the case, the ECO start/stop function is
not available. In addition, the Stop/Start inactive message is shown in the AMG
menu in the multifunction display.
i If indicator lamp ;is off, the ECO start/
stop function has been deactivated man-
ually or as the result of amalfunction .The
engine will then not be switched off auto-
matically when the vehicle stops.
i Every time you switch on the engine using
the key or the Start/Stop button, the ECO
start/stop function is activated.
Automatic engine switch-off Method of operation
If the vehicle is braked to
astandstill in Dor
N,t he ECO start/stop function switches off
the engine automatically.
The ECO start/stop function is operational
and the ¤symbol is displayed in green in
the multifunction display, if:
R the indicator lamp in the ECO button is lit
green.
R the vehicle is stationary.
R the outside temperature is within the com-
fort range.
R the engine is at normal operating temper-
ature. Driving
145Driving and parking Z

Problems with the engine
Problem Possible causes/consequences and
M Solutions
The engine does not
start. The HOLD function or DISTRONIC PLUS is activated.
X
Deactivat ethe HOLD function (Y page 179) or DISTRONIC
PLUS (Y page 177).
X Try to start the engine again. The engine does not
start. The starter motor
can be heard. R
There is amalfunction in the engine electronics.
R There is amalfunction in the fuel supply.
X Before attempting to start the engine again, turn the key in the
ignition back to position 0or press the Start/Stop button
repeatedly until all indicator lamps in the instrumen tcluster go
out.
X Try to start the engine again (Y page 142). Avoid excessively
long and frequent attempt stostart the engine, as this will drain
the battery.
If the engine does not start after several attempts:
X Consult aqualified specialist workshop. The engine does not
start
.The starter motor
can be heard. The
reserve fuel warning
lamp is lit and the fuel
gauge displays hows0. The fuel tank is empty.
X
Refuel the vehicle. The engine does not
start. You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak
or discharged.
X
Jump-start the vehicle (Y page 319).
If the engine does not start despite attemptstoj ump-start it:
X Consult aqualified specialist workshop. The starter motor was exposed to
athermal load that was too high.
X Allow the starter motor to cool down for approximately two
minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult aqualified specialist workshop. Driving
147Driving and parking Z

i
The automatic transmission shifts auto-
matically into park position Pif you:
R open the driver's door when the vehicle
is stationary and the transmission is in
position Dor R
R open the driver's door when driving at
very low speed with the transmission in
position Dor R
i Depress the brake and push the DIRECT
SELECT lever up or down to disengage the
parking lock. The transmission is in neutral
N.
If you want to shift from park position P
directly to Ror D:
R depress the brake and
R push the DIRECT SELECT lever up or
down past the first point of resistance.
Engaging reverse gear R !
Only shift the automatic transmission to
R when the vehicle is stationary.
X Push the DIRECT SELECT lever up past the
first point of resistance.
Neutral Nwith ECO start/stop function
activated The ECO start/stop function switches the
engine off automatically when the vehicle is
stationary if the vehicle is braked to
astand-
still in neutral N.
For further information on the ECO start/stop
function, see (Y page 144).
Shifting to neutral (N) X
Push the DIRECT SELECT lever up or down
to the first point of resistance.
Drive position Dwith ECO start/stop
function activated The ECO start/stop function switches the
engine off automatically when the vehicle is braked to
astandstill in transmission posi-
tion D.
For further information on the ECO start/stop
function, see (Y page 144).
Engaging drive position D X
Push the DIRECT SELECT lever down past
the first point of resistance. Transmission positions
B
Park position
This prevent
sthe vehicle from roll-
ing away when stopped. Do not
shift the transmission into position
P(Y page 159) unless the vehicle
is stationary.
The automatic transmission shifts
to Pautomatically if you:
R remove the key
R switch off the engine when in R
or Dand open one of the front
doors C
Reverse gear
Only shift the transmission to
R
when the vehicle is stationary. 150
Automatic transmissionDriving and parking

A
Neutral
Do not shift the transmission to
N
whil edriving. Otherwise, the auto-
matic transmission could be dam-
aged.
If ESP ®
is deactivated or faulty:
onl yshift the transmission to posi-
tion Nif the vehicl eisindangerof
skidding, e.g. on icy roads.
If you switch off the engine using
the key or the Start/Stop button,
the automatic transmission shifts
to neutral Nautomatically.
! Rolling in neutral Ncan lead to
damage to the transmission. 7
Drive
The automatic transmission
changes gear automatically. All
forward gears are available.
Changing gear
The automatic transmission shifts to the indi-
vidualg ears automaticallyw hen it is in trans-
mission position D.Gearshifting is deter-
mined by:
R as hift range restriction, if selected
R the selected drive program( Ypage 151)
R the position of the accelerator pedal
R the road speed Driving tips
Accelerator peda lposition Your style of driving influences how the auto-
matic transmission shift sgear:
R little throttle: early upshifts
R more throttle: late upshifts AMG vehicles When shifting down, the double-clutc
hfunc-
tion is active regardless of the currently selec-
ted drive program. The double-clutc hfunction
reduces load change reactions and is condu-
cive to asport ydriving style. The sound gen-
erated by the double-clutc hfunction depends
on th edrivep rogram selected.
Kickdown Use kickdown for maximum acceleration.
X
Depress th eaccelerato rpedal beyond the
pressure point.
The transmission shift stoalower gear
depending on the engin espeed.
X Ease off the accelerator pedal oncet he
desired speed is reached.
The automatic transmission shift sback up. Program selector button
General notes Example: program selector button
X
Press program selector button :repeat-
edly until the letter for the desired gearshift
program appears in the multifunction dis-
play.
The program selector button allows you to
choose between differen tdriving character-
istics. Automatic transmission
151Driving and parking Z

Refuelling
Opening/closing the fue lfille rflap :
To open the fuel filler flap
; To inser tthe fuel filler cap
= Tyre pressure table
? Fuel type to be refuelled
The fuel filler flap is unlocked or locked auto-
matically when you open or close the vehicle
with the key or using KEYLESS-GO.
The position of the fuel filler cap is displayed
8 in the instrumentc luster. The arrow
next to the filling pump indicates the side of
the vehicle.
Opening X
Switch off the engine.
X Remove the key from the ignition lock.
X KEYLESS-GO: open the driver's door.
This corresponds to key position 0:"key
removed".
The driver's door can be closed again.
X Press the fuel filler flap in the direction of
arrow :.
The fuel filler flap opens slightly.
X Open the fuel filler flap fully.
X Turn the fuel filler flap anti-clockwise and
remove it. X
insert the fuel filler cap into the holder on
the inside of fuel filler flap ;
X Completely insert the filler neck of the fuel
pump nozzle into the tank and refuel.
X Only fill the tank until the pump nozzle
switches off.
i Do not add any more fuel after the pump
stops filling for the first time. Otherwise,
fuel may leak out.
Closing X
Replace the cap on the filler neck and turn
clockwise until it engages audibly.
X Close the fuel filler flap.
i Close the fuel filler flap before locking the
vehicle. Otherwise, the locking pin of the
central locking prevents the fuel filler flap
from closing. Fuel filler flap emergency release
X open the boot lid. X
Slide the luggage net down.
X Open the right-hand side trim panel.
X Remove the first-aid kit (Y page 310).
X Detach the emergency release from
retainer :.
X Pull the emergency release in the direction
of arrow ;.
The fuel filler flap is released.
X Open the fuel filler flap. Refuelling
157Driving and parking Z

Problems with the fuel and fuel tank
Problem Possible causes/consequences and
M Solutions
Fuel is leaking from the
vehicle.
G
Risk of explosion or fire
The fuel line or the fuel tank is faulty.
X Turn the key to position 0in the ignition lock immediately and
remove it (Y page 141).
X Do not restart the engine under any circumstances.
X Consult aqualified specialist workshop. The engine does not
start. The fuel tank of
avehicle with adiesel engine has been run com-
pletely dry.
X Refuel the vehicle with at least 5litres of diesel.
X Turn the ignition on for approximately ten seconds
(Y page 141).
X Start the engine continuously for up to ten seconds until it runs
smoothly.
or
X Start the engine using the touch-star tfunction .Todot his, turn
the key to position 3in the ignition lock and then release it
immediately (Y page 141).
If the engine does not start:
X Turn the ignition on again for approximately ten seconds
(Y page 141).
X Start the engine again continuously for up to ten seconds until
it runs smoothly.
or
X Start the engine again via the touch-start function.
If the engine does not start after three attempts:
X Consult aqualified specialist workshop. 158
RefuellingDriving and parking

Problem Possible causes/consequences and
M Solutions
The fuel filler flap can-
not be opened. The fuel filler flap is not unlocked.
or
The key battery is discharged.
X
Unlock the vehicle using the emergency key element
(Y page 78).
X Open the boot lid or the tailgate.
X open the boot lid.
X Manuallyu nlock the fuel filler flap using the emergency release
(Y page 157). The fuel filler flap is unlocked, but the opening mechanism is jam-
med.
X
Consult aqualified specialist workshop. Parking
Important safety notes
G
WARNING
If flammable materials such as leaves, grass
or twigs are exposed to prolonged contact to
parts of the exhaust system that heat up, they
could ignite. There is arisk of fire.
Park the vehicle so that no flammable mate-
rials come into contact with parts of the vehi-
cle which are hot. Take particular care not to
park on dry grassland or harvested grain
fields. G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect.Y ou will require considerably
more effort to steer and brake. There is arisk
of an accident.
Do not switch off the ignition while driving. G
WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R starting the engine.
They could also operate the vehicle's equip-
ment.T here isarisk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unsupervised in the vehicle.
! Am oving vehicle can lead to damage to
the vehicle or damage to the drive train.
To ensure that the vehicle is secured against
rolling away unintentionally:
R the parking brake must be applied.
R the transmission must be in position Pand
the key must be removed from the ignition
lock.
R on uphill or downhill gradients, the front
wheels must be turned towards the kerb. Parking
159Driving and parking Z

Switching off the engine
Vehicles with automatic transmission X
Firmly depress the parking brake.
X All vehicles (except AMG vehicles): shift
the transmission to position P.Selector lever in AMG vehicles with
Pbutton
X AMG vehicles: pressPbutton :.
Using the key
X Turn the key to position 0in the ignition
lock and remove it.
The immobiliser is activated.
i If you switch the engine off with the trans-
mission in position Ror D,t he automatic
transmission shifts to Nautomatically.
If you then open one of the front doors or
remove the key from the ignition, the auto-
matic transmission shifts to P.
If you shift the automatic transmission to
N before switching off the engine, the auto-
matic transmission remains in Neven if a
door is opened.
Using KEYLESS-GO
X Press the Start/Stop button (Y page 141).
The engine stops and all the indicator
lamps in the instrumen tcluster go out.
i When the driver's door is closed, this cor-
responds to key position 1.When the driv-
er's door is open ,this corresponds to key
position 0,i.e. key removed.
i If you use the Start/Stop button to switch
off the engine, the automatic transmission
shift stoNautomatically. If you the nopen one of the fron
tdoors, the automatic trans-
mission shifts to P.
i The engine can be turned off while the
vehicle is in motion by pressing and holding
the Start/Stop button for about three sec-
onds. This function operates independently
of the ECO start/stop automatic engine
switch-off function. Parking brake
G
WARNING
If you must brake the vehicle with the parking
brake, the braking distance is considerably
longer and the wheels could lock. This increa-
ses the risk of skidding and an accident.
Only use the parking brake to brake the vehi-
cle when the service brake is faulty. Do not
apply the parking brake too firmly. If the
wheels lock, release the parking brake until
the wheels begin turnin gagain. G
WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R starting the engine.
They could also operate the vehicle's equip-
ment.T here isarisk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unsupervised in the vehicle. 160
ParkingDriving and parking