2009 MERCEDES-BENZ CL COUPE brake light

PARKTRONIC is deactivated at speeds above
18 km/h. PARKTRONIC is reactivated at
lower speeds. PARKTRONIC is deactivated
when you shift the automatic transmission to
P or engage the electric parking brake and
switch off the engine.
PARKTRONIC monitors the area around your
vehicle using six sensors in the front bumper
and four sensors in the rear bumper. :
Example: sensors in the front bumper,
left-hand side
Range of the sensors The sensors must be free of dirt, ice and
slush; otherwise, they may not function cor-
rectly. Clean the sensors regularly, taking
care not to scratch or damage them. Side view Top view
Front sensors
Centre Approximately 100 cm
Corners Approximately 60 cm
Rear sensors
Centre Approximately 120 cm
Corners Approximately 80 cm
!
When parking, pay particular attention to
objects above or below the sensors, such
as flower pots or trailer towbars. PARK-
TRONIC does not detect such objects when
they are in the immediate vicinity of the
vehicle. You could damage the vehicle or
the objects.
Ultrasonic sources such as an automatic
car wash, a lorry's compressed-air brake
system or a pneumatic drill could cause
PARKTRONIC to malfunction.
Minimum distance Centre Approximately 20 cm
Corners Approximately 20 cm
If there is an obstacle within this range, all
warning displays light up and a tone sounds.
If the distance falls below the minimum clear-
ance, it may no longer be shown.250
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Warning displays
The warning displays show the distance
between the sensors and the obstacle. The
warning display for the front area is in the
instrument cluster. The warning display for
the rear area is located on the roof lining in
the rear compartment.
Warning display for front area
:
Left-hand side of the vehicle
; Right-hand side of the vehicle
= Operational readiness symbols
The warning display for each side of the vehi-
cle is divided into five yellow and two red seg-
ments. PARKTRONIC is operational if the yel-
low operational readiness symbols =light
up.
The automatic transmission position deter-
mines which warning display is active when
the engine is running: Automatic trans-
mission position Warning display
D
Front area activated
R
Rear and front areas
activated
N
If electric parking
brake is engaged:
none
If electric parking
brake is released:
rear and front areas
are activated
P
No areas activated One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance to the obstacle. When the
first red segment lights up, you hear an inter-
mittent warning for about two seconds. From
the second red segment, you hear a continu-
ous warning. You have reached the minimum
distance.
Activating/deactivating PARKTRONIC
:
To deactivate/activate PARKTRONIC
; Indicator lamp
PARKTRONIC is deactivated if indicator
lamp ;is lit. Park Assist*
G
Risk of accident
Park Assist is only an aid and may not detect
all obstacles. Park Assist may not be able to
detect objects in corners or on smooth surfa-
ces. Park Assist does not relieve you of the
responsibility to pay attention.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. Otherwise, you could endanger
yourself and others. G
Risk of injury
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured. Driving systems
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the area around the sensors, as Park Assist
may not work properly otherwise.
Warning displays The warning displays show the distance
between the sensors and the obstacle. The
warning display for the front area is in the
instrument cluster. The warning display for
the rear area is in the roof trim at the rear. Front area warning display
1
Left-hand side of the vehicle
2 Right-hand side of the vehicle
3 Operational readiness symbols
The warning display for each side of the vehi-
cle is divided into five yellow and two red seg-
ments. Park Assist is operational when yellow
operational readiness symbols 3light up.
The automatic transmission position deter-
mines which warning display is active: Automatic
transmis-
sion position Display range
D
Front area warning display
activated
R
Front and rear areas acti-
vated
N
If electric parking brake is
engaged: none
If electric parking brake is
released: front and rear
areas are activated P
No areas activated One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance to the obstacle. When the
first red segment lights up, you hear an inter-
mittent warning for about two seconds. From
the second red segment, you hear a continu-
ous warning. You have reached the minimum
distance.
i
In heavy rain, the warning displays and
tones can be triggered by, for example,
water running past the sensors.
Collision warning Park Assist detects obstacles from some dis-
tance. If you reverse towards an obstacle you
will hear a warning tone. You must brake to
avoid a collision. The collision warning tone
does not sound if you are very close to the
obstacle. Instead, you will hear the corre-
sponding warning tone for the rear area warn-
ing indicator.
i In heavy rain, the collision warning can be
triggered by, for example, water running
past the sensors.
Deactivating and activating X
Press button 1.
Park Assist is deactivated if indicator lamp
2 is lit. Driving systems
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The sun protection cover automatically opens
along with the sliding/tilting sunroof. Once
you have closed the sliding/tilting sunroof,
you can close the cover by hand.
Closing with increased force and with-
out the anti-entrapment feature G
Risk of injury
You could be severely or even fatally injured
when closing the sliding/tilting sunroof with
increased force or without the anti-entrap-
ment feature. Make sure that nobody can
become trapped when closing the sliding/tilt-
ing sunroof.
If the sliding/tilting sunroof locks up during
closing:
X Immediately after it locks up, pull the
switch again to the pressure point in the
direction of arrow ;until the sliding/tilt-
ing sunroof is closed.
The sliding/tilting sunroof is closed with
more force.
If the sliding/tilting sunroof locks up during
closing again:
X Immediately after it locks up, pull the
switch again to the pressure point in the
direction of arrow ;until the sliding/tilt-
ing sunroof is closed.
The sliding/tilting sunroof is closed without
the anti-entrapment feature.
Rain closing feature* If the ignition key is removed and the vehicle
is locked, the sliding/tilting sunroof closes
automatically:
R if it starts to rain
R at extreme outside temperatures
R after six hours
R if there is a malfunction in the power supply
The rear of the sliding/tilting sunroof is then
raised in order to ventilate the interior of the
vehicle. i
The sliding/tilting sunroof is opened
slightly again if it is obstructed while being
closed by the rain closing feature. The rain
closing feature is then deactivated.
i The sliding/tilting sunroof does not close
if:
R it is raised at the rear.
R it is blocked.
R no rain is falling on the windscreen (e.g.
because the vehicle is under a bridge or
in a carport).
Resetting Reset the sliding/tilting sunroof if it does not
open smoothly.
X
Turn the key to position 2in the ignition
lock.
X The sliding/tilting sunroof is raised fully at
the rear.
X Keep the switch pressed for an additional
second.
X Make sure that the sliding/tilting sunroof
can be opened or closed fully again
(Y page 274).
X If this is not the case, consult a qualified
specialist workshop. Loading and stowing
Stowage compartments
G
Risk of injury
The stowage compartments must be closed
when items are stored in them. Luggage nets
are not designed to secure heavy items of
luggage.
You or other vehicle occupants could be
injured by objects being thrown around if you:
R brake sharply
R change direction suddenly
R have an accident Loading and stowing
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R
brake sharply
R change direction suddenly
R are involved in an accident
Only use the cup holders for containers of a
suitable size and which have lids. Otherwise,
the drinks could spill.
Cup holders should not be used for hot drinks.
Otherwise, you may scald yourself.
Cup holder* in front of the armrest X
To open: press marking :at the front.
i You can remove the cup holder to clean
it. Clean the cup holder with clean, luke-
warm water only.
X To remove: pull the cup holder upwards by
silver handle ;in the direction of the
arrow.
X To insert: slide the cup holder downwards
until it engages. Observe the installation
position indicated by "Front". Cup holder in the rear seat armrest X
To open: press the front of cup holder :. Luggage net in the front-passenger
footwell
G
Risk of injury
Only place lightweight items in the luggage
net. Do not use it to transport heavy, bulky,
sharp-edged or fragile objects. In the event of
an accident, the luggage net will not secure
the transported goods. Skibag*
G
Risk of injury
The skibag is designed to carry up to four pairs
of skis. Do not use the skibag to carry any
other type of load.
The skibag must always be secured when
laden. Otherwise, injuries could be caused by
it in the event of an accident. 278
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Driving tips
Rolling with the engine switched off
G
Risk of accident
Never switch the engine off while the vehicle
is in motion.
There is no power assistance for the steering
and the service brake when the engine is not
running.
You will require considerably more effort to
steer and brake and you could therefore lose
control of the vehicle and cause an accident. Brakes
G
Risk of accident
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. G
Risk of accident
Make sure that other road users are not
endangered by your braking.
Downhill gradients On long and steep downhill gradients, espe-
cially if the vehicle is laden, you must select
shift range 1,2or 3in good time.
i This also applies if you have activated
cruise control, Speedtronic, Distronic* or
Distronic Plus*.
This will use the braking effect of the engine,
so less braking will be required to maintain
the speed. This relieves the load on the brake
system and prevents the brakes from over-
heating and wearing too quickly. If you need
additional braking, depress the brake pedal
repeatedly rather than continuously.
Heavy and light loads If the brakes have been subjected to a heavy
load, do not stop the vehicle immediately, but drive on for a short while. This allows the air-
flow to cool the brakes more quickly. G
Risk of accident
Never depress the brake pedal continuously
while the vehicle is in motion, e.g. never cause
the brakes to rub by applying constant slight
pedal pressure. This causes the brake system
to overheat, increases the braking distance
and can lead to the brakes failing completely.
If the brakes have been used only moderately,
you should occasionally test their effective-
ness. To do this, brake more firmly from a
higher speed. This improves the grip of the
brakes.
Wet roads If driving in heavy rain for a prolonged period
of time without braking, there may be a
delayed reaction from the brakes when brak-
ing for the first time. You must brake harder.
You must therefore maintain a greater dis-
tance from the vehicle in front.
After driving on a wet surface, brake firmly
while paying attention to the traffic condi-
tions. This way the brake discs will become
warm, drying more quickly, which will protect
them against corrosion.
Limited braking performance on salted
roads G
Risk of accident
The layer of salt on the brake discs and the
brake pads/linings may cause a delay in the
braking effect, resulting in a significantly lon-
ger braking distance, which could lead to an
accident.
To avoid this danger, you should:
R occasionally brake carefully, without put-
ting other road users at risk, when you are
driving on salted roads. This helps to
remove any salt that may have started to 304
Driving
tipsOperati on
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Display messages
Possible causes/consequences and
X
X Solutions # The alternator or vehicle's electrical system is faulty.
The battery is not being charged.
X
Pull over and stop the vehicle safely, paying attention to
road and traffic conditions and leave the engine running.
X Open the bonnet.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise over-
heat.
X Switch off the engine.
X Consult a qualified specialist workshop.
If the poly-V-belt is intact:
X Visit a qualified specialist workshop. ? The engine fan is faulty.
X
Make sure that the coolant temperature does not exceed
120 †.
X Avoid subjecting the engine to heavy loads (e.g. driving in
mountainous terrain) and stop-and-go driving.
X Drive to the nearest qualified specialist workshop. J ABS and
ESP inop‐
erative
See Own‐
er's Man‐
ual
G
Risk of accident
ABS (Anti-lock Braking System), ESP ®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
, HOLD, hill start
assist, the adaptive brake lights and ESP ®
trailer stabilisation
are unavailable due to a malfunction. In addition, the ÷,
å and! warning lamps light up in the instrument clus-
ter. The brake system continues to function normally, but
without the functions listed above.
BAS PLUS* (Brake Assist PLUS) and PRE-SAFE ®
Brake *may
be inoperative as well.
X Drive on carefully.
X Visit a qualified specialist workshop. Display messages
331Practical advice
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Display messages
Possible causes/consequences and
X
X Solutions J ABS and
ESP cur‐
rently
unavaila‐
ble See
Owner's
Manual G
Risk of accident
ABS, ESP ®
, BAS, PRE-SAFE ®
, HOLD, hill start assist, the adap-
tive brake lights and ESP ®
trailer stabilisation are temporarily
unavailable. Self diagnosis is not yet complete. In addition,
the ÷, åand! warning lamps light up in the instru-
ment cluster. The brake system continues to function nor-
mally, but without the functions listed above.
BAS PLUS* and PRE-SAFE ®
Brake* may have failed.
X On a suitable stretch of road, carefully manoeuvre the vehi-
cle slightly to the left and right at a speed above 20 km/h
until the display message disappears. G
Risk of accident
ABS, ESP ®
, BAS, PRE-SAFE ®
, HOLD, hill start assist, the adap-
tive brake lights and ESP ®
trailer stabilisation are temporarily
unavailable. The on-board voltage may, for example, be insuf-
ficient. In addition, the ÷,åand! warning lamps
light up in the instrument cluster. The brake system continues
to function normally, but without the functions listed above.
BAS PLUS* and PRE-SAFE ®
Brake* may have failed.
X Drive on carefully.
X Visit a qualified specialist workshop. ÷ inopera‐
tive See
Owner's
Manual
or
System
Inopera‐
tive
G
Risk of accident
ESP ®
, BAS, PRE-SAFE ®
, HOLD, hill start assist, the adaptive
brake lights and ESP ®
trailer stabilisation are temporarily
unavailable due to a malfunction. BAS PLUS* and PRE-
SAFE ®
Brake* may have failed. In addition, the ÷and
å warning lamps light up in the instrument cluster.
X Drive on carefully.
X Visit a qualified specialist workshop. 332
Display
messagesPractical advice
* optional
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