engine MERCEDES-BENZ CLS COUPE 2008 Owner's Manual

Seat belts
90
already secured, the
< seat belt warning
lamp lights up for six seconds after the engine
has been started. The < seat belt warning
lamp then goes out if both the driver and the
front passenger have fastened their seat belt.
i Further information about the < seat
belt warning lamp (Y page 249). Belt height adjustment
You can adjust the seat belt height on the
driver's seat and front-passenger seat.
Adjust the belt to a height that allows it to be
routed across the middle of your shoulder.1 Release catch X
To raise: slide the belt sash guide upwards.
The belt sash guide engages in various posi-
tions.
X To lower: press and hold release button
1.
X Slide the belt sash guide downwards.
X Let go of release button 1 and make sure
that the belt sash guide has engaged.
Correct driver's seat position
1 Steering wheel
2 Seat belt
3 Seat
G Risk of accident
Only adjust the driver's seat when the vehi-
cle is stationary. You will otherwise be dis-
tracted from the road and traffic conditions
and you could lose control of the vehicle as
Controls
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Lights
92$ a
Left-hand parking lamp
% g Right-hand parking lamp
& M Lights off/constant headlamp mode
( U Automatic headlamp mode/con-
stant headlamp mode
) C Side lamps, licence plate and instru-
ment lighting
* B Dipped-beam headlamps or main-
beam headlamps
, ¥ Front foglamp
. † Rear foglamp
i The exterior lighting automatically
switches off when you remove the key from
the ignition lock or open the door while the
ignition is switched off (ignition key in posi-
tion 0 ). !
Switch off the side lamps or parking lamp
when you leave the vehicle. This prevents
the battery from discharging.
Dipped-beam headlamp
X Make sure that the key is in position 2 of
the ignition lock or that the engine is run-
ning.
X To switch on: turn the light switch to
B.
The dipped-beam headlamps, parking
lamps and licence plate lamps are switched
on. The parking lamp indicator lamp next to
the light switch and the green dipped-beam
indicator lamp in the instrument cluster
lights up.
Constant headlamp mode
In countries in which constant headlamp
mode is not a legal requirement, you can
make this setting via the on-board computer. X
Make sure that constant headlamp mode
has been set with the on-board computer .
11
X To switch on: turn the light switch to
M or U.
The dipped-beam headlamps, side lamps
and licence plate lighting are switched on
when the engine is running.
i When you turn the light switch to any
position other than M or U, the cor-
responding light goes on.
Automatic headlamp mode
The side lamps, dipped-beam headlamps and
licence plate lighting are switched on or off
automatically, depending on the brightness of
the ambient light.
G Risk of accident
If the light switch is set to U, the head-
lamps may temporarily switch off due to
exposure to light, or the lights may not
come on automatically if it is foggy. This
could endanger you and others. Therefore,
turn the light switch to B in the dark or
in fog.
11 This is not possible in countries where constant headlamp mode is required by law.
Controls
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Lights
93The automatic headlamp feature is only an
aid.
The driver is responsible for the vehicle
lighting at all times. G
Risk of accident
When it is dark or foggy, turn the light
switch quickly from U to B. You
could otherwise cause an accident if the
headlamps were to switch off temporarily.
X To switch on: turn the light switch to
U.
The side lamps are switched on and off
automatically when the key is in position
1 in the ignition lock.
The dipped-beam headlamps, side lamps
and licence plate lighting are switched on
automatically when the engine is running.
When the dipped-beam headlamps are
switched

on, the indicator lamp next to the
light switch and the green dipped-beam
indicator lamp in the instrument cluster
light up. Front foglamps/rear foglamp G
Risk of accident
If you suspect that driving conditions will be
foggy, turn the light switch to B before
you start your journey. Otherwise, your
vehicle may not be visible and you could
therefore endanger yourself and others. G
Risk of accident
When it is dark or foggy, turn the light
switch quickly from U to B. You
could otherwise cause an accident if the
headlamps were to switch off temporarily.
i When the light switch is set to U you
cannot switch on the front or rear fog-
lamps.
X Make sure that the key is in position 2 in
the ignition lock.
X To switch on the front foglamps: turn
the
light switch to the B or C position.
X Pull the light switch out to the first stop.
The ¥ green indicator lamp next to the
light switch lights up. X
To switch on the rear foglamp: turn the
light switch to the B position.
X Pull the light switch out to the second stop.
The †

yellow indicator lamp next to the
light switch lights up.
X To switch off the front foglamps/rear
foglamp: push in the light switch to the
stop.
The

corresponding indicator lamp goes out. Controls
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Lights
95Adjusting the headlamp range (vehi-
cles with halogen headlamps)
The headlamp range control allows you to
adjust the cone of light from the headlamps
according to how your vehicle is laden.
You can only adjust the headlamp range while
the engine is running.1 Thumbwheel for headlamp range
PositionLoad
0Front seats occupied
1Front and rear seats occupied
PositionLoad
2Front and rear seats occu-
pied, boot laden
or
Driver's seat occupied, boot
laden
3Not required
X
Turn thumbwheel for headlamp range 1 to
the position which corresponds to the load
in your vehicle.
Headlamp cleaning system*
i The headlamps are cleaned automatically
if the "Wipe with windscreen washer fluid"
function is operated five times while the
lights are on and the engine is running.
When you switch off the ignition, the auto-
matic headlamp cleaning system is reset
and counting is resumed from 0.
Cornering light function (vehicles
with bi-xenon headlamps*)
Specially designed headlamps light up the
area into which you are driving when turning
corners.
If you are driving at speeds below 40 km/h,
the cornering light function is activated either
by the turn signals or when the steering wheel
is turned. If you are driving at speeds above
40 km/h the cornering light function is deac-
tivated.
Switching on
X Make sure that the engine is running.
X Switch on the dipped-beam headlamps.
X Switch off the fog lights.
X Switch on the turn signal.
The cornering light on the same side as the
turn signal comes on, even if you turn the
steering wheel in the opposite direction
after indicating.
or
X Turn the steering wheel in the desired
direction.
When in a forwards gear: the cornering
lamp on the inside of the bend comes on.
Controls
* optional
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Z

Driving and parking
101With KEYLESS GO*
R
Release the locking button on the door
handle.
R Pull the door handle immediately and
hold it.
The side windows and the sliding/tilting
sunroof* open.
With the key X
Point the tip of the key at the driver's door
handle.
X Lock the vehicle with the j button.X
Keep the button pressed until the side win-
dows and the sliding/tilting sunroof* are
fully closed.
X Make sure that all the side windows and the
sliding/tilting sunroof* are closed.
With KEYLESS GO*: 1
Locking button on the door handle
X Keep locking button 1 on the door handle
pressed until the side windows and the slid-
ing/tilting sunroof* are fully closed.
X Make sure that all the side windows and the
sliding/tilting sunroof* are closed. Driving and parking
Starting the engine
G
Risk of accident
Do not keep any objects in the driver's foot-
well. If you use a floormat or carpet in the
driver's footwell, make sure that they are
correctly secured and that there is suffi-
cient clearance for the pedals.
Objects could otherwise get between the
pedals in the event of sudden braking or
acceleration. You may then no longer be
able to brake, change gear or accelerate as
intended. This may result in an accident and
injury. G
Risk of poisoning
Never leave the engine running in enclosed
spaces. The exhaust gases contain carbon
monoxide. Inhaling exhaust fumes consti-
tutes a health hazard and could lead to loss
of consciousness or even death.
! Do not depress the accelerator pedal
when starting the engine.
i If you depress the brake when starting the
engine, pedal travel will be unusually long
and there will be less pedal resistance. Controls
* optional
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Driving and parking
102
Automatic transmission
P
Park position with selector lever lock
R Reverse gear
N Neutral
D Drive position
X Before starting, make sure P is selected.
i The engine can also be started when the
selector lever is in position N.
Further information about the automatic
transmission (Y page 104).
Starting the engine with the key i
Vehicles with automatic transmission:
You can also use the "touch-start" function.
To do this, turn the key to position 3 and release it immediately. The engine then
starts automatically.
X To start a petrol engine: turn the key to
position 3 in the ignition lock (Y page 74)
and release it.
The engine starts automatically.
X To start a diesel engine: turn the key to
position 2 in the ignition lock (Y page 74).
The q preglow indicator lamp in the
instrument cluster lights up.
X When the q preglow indicator lamp
goes out, turn the key to position
3 (Y page 74) and release it.
The engine starts automatically.
i You can start the engine without preglow
if the engine is warm.
Starting the engine with KEYLESS GO* G
Risk of injury
Your vehicle can be started using a valid
KEYLESS GO key*. For this reason, children
should never be left unsupervised in the
vehicle. Always take the KEYLESS GO
key* with you when leaving the vehicle, even if you are only leaving it for a short
time.
The KEYLESS GO button can be used to start
the vehicle without inserting the key in the
ignition lock.
The KEYLESS GO button is on the selector
lever. 1
KEYLESS GO button Controls
* optional
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Driving and parking
103
X
Depress the brake pedal.
The selector lever lock is released.
X Petrol engine: press KEYLESS GO button
1 once.
The engine starts automatically.
X Diesel engine: press KEYLESS GO button
1 once.
Preglow is activated and the engine starts
automatically.
i You can start the engine without preglow
if the engine is warm:
XPress and hold KEYLESS GO button
1 until the engine is running. Pulling away
! AMG vehicles: at low engine tempera-
tures

(below + 20° C), the maximum engine
speed is limited in order to protect the
engine. Avoid driving at full throttle when
the engine is cold in order to protect the
engine and avoid inconveniences.
! Do not select reverse gear unless the
vehicle is stationary, otherwise the trans-
mission will be damaged. Do not drive at high engine speeds until the
engine

has warmed up. This will protect the
engine.
i The vehicle will lock itself centrally once
you have pulled away. The locking knobs in
the doors drop down.
You can open the doors from the inside at
any time.
You can also deactivate the automatic lock-
ing feature ( Y page 127).
i It is only possible to move the selector
lever to the desired position if you depress
the brake pedal. Only then is the selector
lever lock released.
X Depress the brake pedal and hold it down.
X Pull the parking brake release handle to
release the parking brake.
X Move the selector lever to position D or R.
i Wait for the shift process to complete
before pulling away.
X Release the brake pedal.
X Carefully depress the accelerator pedal.
i Upshifts take place at higher engine
speeds after a cold start. This helps the catalytic converter to reach its operating
temperature more quickly. Parking
G
Risk of accident
Only remove the key from the ignition lock
when the vehicle is stationary since you
cannot steer the vehicle with the key
removed.
Never leave children unsupervised in the
vehicle. They could release the parking
brake. This could lead to a serious or fatal
accident. G
Risk of fire
Make sure that the exhaust system does
not under any circumstances come into
contact with easily ignitable material such
as dry grass or petrol. The material could
otherwise

ignite and set the vehicle on fire. Controls
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Transmission
104
Parking brake
1
Release handle
2 Parking brake
X To release: depress the brake pedal and
keep it depressed.
X Pull release handle 1.
X The 3 indicator lamp in the instrument
cluster goes out.
X To apply: depress parking brake 2 firmly.
The 3 indicator lamp in the instrument
cluster lights up if the engine is running.
i On steep slopes, turn the front wheels
towards the kerb. Stopping the engine
G
Risk of accident
If the engine is not running, there is no
power assistance for the steering and
brakes. Steering and braking then takes
much more effort.
As a result, you might lose control of the
vehicle, cause an accident and injure your-
self and others.
Do not switch off the engine while driving.
X Move the selector lever to P.
With the key
X Turn the key to position 0 (Y page 74) in
the ignition lock and remove it.
The immobiliser is activated.
With KEYLESS GO*
X Press and hold the KEYLESS GO button
(Y page 74).
The engine stops and all the lamps in the
instrument cluster go out ( Y page 26). Transmission
G
Risk of accident
The movement of the pedals must not be
impaired in any way. Do not keep any
objects in the driver's footwell. Make sure
that there is sufficient clearance around the
pedals when floormats or carpets are used.
Do not change down for additional engine
braking on a slippery road surface. This
could cause the drive wheels to lose their
grip and the vehicle could skid. Automatic transmissionControls
* optional
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Transmission
106gram selected. This also extends the shift
range.
X To shift down: briefly press the selector
lever to the left towards D–.
The automatic transmission shifts down to
the next gear, depending on the gear cur-
rently selected. This also restricts the shift
range.
i To prevent the engine from overrevving,
the automatic transmission does not shift
down if you push the selector lever towards
D– while driving at too high a speed.
X To derestrict the shift range: press and
hold the selector lever towards D+ until D
is shown once more in the display.
The automatic transmission shifts from the
current shift range directly to D.
X To select the most effective shift
range: press and hold the selector lever to
the left towards D–.
The automatic transmission will shift to a
range which allows ideal acceleration and
deceleration. To do this, the automatic
transmission will shift down one or more
gears. Shift ranges When the selector lever is in position D, it is
possible to restrict or derestrict the shift
range for the automatic transmission.
X Briefly press the selector lever to the right
towards D+ or to the left towards D–.
The shift range selected is shown in the
speedometer display. The automatic trans-
mission shifts only as far as the selected
gear.
i If the maximum engine speed for the shift
range is reached and you continue to accel-
erate, the automatic transmission shifts up
in order to avoid engine overrev even if the
shift range is restricted. Driving situation
è The braking effect of the engine can
be used in this position. ç To use the braking effect of the
engine on downhill gradients and
for driving:
R
on steep mountain roads
R in mountainous terrain
R in arduous conditions æ To use the braking effect of the
engine on extremely steep downhill
gradients and long downhill
stretches.
Program selector button
1
Program selector button Controls
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Transmission
107S Sport For all normal driving con-
ditions
C Comfort For comfort mode
!
Only press program selector button 1
when the selector lever is in position P, N
or D.
X Press program selector button 1 repeat-
edly until the letter (C/S) for the desired
gearshift program appears in the speed-
ometer display.
Comfort mode C is characterised by the fol-
lowing:
R the vehicle pulling away more gently in
forward and reverse gears, unless the
accelerator pedal is depressed fully.
R an increase in traction. This improves the
driving stability of the vehicle on slippery
road surfaces, for example.
R the automatic transmission shifting up
sooner. The vehicle is driven at lower
engine speeds and the wheels are less
likely to spin. Driving tips Accelerator pedal position
Your style of driving influences how the auto-
matic transmission shifts gear:
R
little throttle: early upshifts
R more throttle: late upshifts
Kickdown
Use kickdown for maximum acceleration.
X Depress the accelerator pedal beyond the
pressure point.
The transmission shifts to a lower gear
depending on the engine speed.
X Ease off on the accelerator pedal once the
desired speed is reached.
The automatic transmission shifts back up. Steering wheel gearshift paddles*
and manual gearshift program*
Steering wheel gearshift paddles It is possible to shift gear using either the
steering wheel gearshift paddles or the selec-
tor lever.
1
Left-hand paddle: to shift down
2 Right-hand paddle: to shift up
Upshifting
X Pull right-hand paddle 2.
The automatic transmission shifts up to the
next gear. If you are not driving in manual
gearshift program M, then the shift range
will be extended. Controls
* optional
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