sensor MERCEDES-BENZ CL CLASS 2010 Owner's Guide
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permitted. Do not tamper with, alter, or use
in any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
When traveling in Canada in a vehicle not
registered in Canada, you must switch off the
radar sensor system ( Y page 216). Canadian
law does not permit the use of the radar
sensor system for vehicles from outside of
Canada. When you switch off the radar sensor
system, the following functions are
deactivated:
R Park Assist
R BAS PLUS (Y page 57)
R PRE-SAFE ®
Brake (Y page 62)
R DISTRONIC PLUS (Y page 304)
R Advanced Parking Guidance ( Y page 327)
R Blind Spot Assist (Y page 335)
! The operational function of the Park
Assist can be affected by dirty sensors,
especially at times of snow and ice.
Make sure that the area on the bumpers
around the sensors is free of dirt, ice and/
or slush, otherwise the Park Assist may not
function properly.
For cleaning the driving systems sensors, see
(Y page 406).
! High-frequency sources such as toll
stations, speed measuring systems, etc.
can cause the Park Assist to malfunction.
You can switch off the Park Assist using the
Park Assist button or switch off the radar
sensors with the instrument cluster control
system to prevent possible malfunction.
The Park Assist is an electronic parking aid
with radar sensors that helps you while
parking. It visually and audibly indicates the
relative distance between the vehicle and an
obstacle.
The Park Assist is automatically activated
when the engine is running and the automatic transmission is in drive position D, reverse
gear
R or neutral position N.
The Park Assist deactivates at speeds over
approximately 10 mph (16 km/h). At lower
speeds the Park Assist turns on again.
The Park Assist is also switched off when you
set the automatic transmission into park
position P or switch off the engine.
While the automatic transmission is in neutral
position N, the Park Assist is switched off if
you secure the vehicle in place with the
electronic parking brake.
The Park Assist monitors the surroundings of
your vehicle with four sensors in the front
bumper and two sensors in the rear bumper.
Range of the sensors The sensors of the Park Assist are integrated
in the front and rear bumpers. Make sure that
the bumpers are clear of dirt, ice and slush in
the area of the sensors, as otherwise, the
Park Assist may not function properly, see
(Y page 406). Driving systems
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i
The sensors have a broad detection
range. Therefore, the Park Assist may also
issue warnings due to detected obstacles
on the ground, for example:
R Sewer canal covers
R Rails
R Bumps
R Gutters
Warnings may also be issued due to
obstacles that are moving up quickly, for
example rolling garage doors.
Front sensors Center approx. 40 in (100 cm)
Corners approx. 24 in (60 cm)
Rear sensors
Center approx. 50 in (125 cm)
Corners approx. 24 in (60 cm)
!
While parking, pay particular attention to
objects over or underneath the sensors,
e.g. flower boxes, an elevated crossbar or
a trailer tow hitch. The Park Assist does not
detect such nearby objects. You could
otherwise damage the vehicle or the
objects.
Warning indicators Visual signals indicate to the driver the
relative distance between the sensors and an
obstacle.
Front area warning indicators Rear area warning indicators
Each warning indicator is divided into five
yellow and two red distance segments for
left : and right side ; of the vehicle. The
Park Assist is ready to measure when the
yellow readiness indicators
= are
illuminated.
The current transmission position determines
which warning indicators will be activated. Current
transmission
position Warning indicator
D
Front area activated
R
Front and rear area
activated
N
With the electronic
parking brake
engaged: neither
activated.
With the electronic
parking brake
released: front and
rear area activated.
As your vehicle approaches an object, one or
more distance segments will illuminate,
depending on the distance. When the seventh
distance segment illuminates, you have
reached the minimum distance.
Front area:
As soon as the first red distance segment
illuminates, you will hear an intermittent
warning tone for approximately 2 seconds.326
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Once the second red distance segment
illuminates, you will hear a continuous
warning tone. You have reached the minimum
distance. The signal is canceled when the
automatic transmission is in park position P
or neutral position N with the electronic
parking brake engaged.
Rear area:
As soon as the first red distance segment
illuminates, you will hear an intermittent
warning tone for approximately 2 seconds.
Once the second red distance segment
illuminates, you will hear a continuous
warning tone. You have reached the minimum
distance. The signal is canceled when the
automatic transmission is in drive position
D,
park position P, or neutral position N with the
electronic parking brake engaged.
i During strong rainfall, the warning
indicators and warning tones may be
triggered, for example, by water splashing
into the area of the sensors.
Collision warning The Park Assist can detect obstacles from a
considerable distance. If you drive in reverse
towards an obstacle, you will hear a warning
tone. You must then brake in order to avoid a
collision. The warning tone for a collision will
not sound when the vehicle is at a standstill
very close to the obstacle. In this case, you
will hear a corresponding tone for the warning
indicator in the rear area.
i
During strong rainfall, the collision
warning may be triggered, for example, by
water splashing into the area of the
sensors.
Switching Park Assist on/off The Park Assist can be switched off manually.
i
When the indicator lamp is on, the Park
Assist is switched off. X
Switching off: Press Park Assist
button :.
Indicator lamp ; comes on.
X Switching on: Press Park Assist
button : again.
Indicator lamp ; goes out.
The Park Assist is automatically switched on
when the ignition and radar sensors
(Y page 216) are switched on. Advanced Parking Guidance
The Advanced Parking Guidance is an
electronic parking aid equipped with radar
sensors. The radar sensors scan the area on
both sides of vehicle. When a suitable parking
space is found, it is indicated by a parking
space symbol in the multifunction display.
You will receive steering instructions for
parking in that space. G
Warning!
The Advanced Parking Guidance is only an aid
and may display parking spaces that are not
suitable for parking such as
R no-parking zones
R parking space with unsuitable road/ground
surface
R driveways
R entrances/exits
The Advanced Parking Guidance only shows a
representation of the parking space in the
multifunction display as parking space is first Driving systems
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initially measured when driving past.
Subsequent
changes
to the parking space are
not taken into account, e.g. if the position of
the vehicle parked in front of or behind the
space changes or objects in the parking space
are moved. Moving objects are not shown,
e.g. pedestrians or vehicles driving past. The
Advanced Parking Guidance does not relieve
you of the responsibility to pay attention. If
you only rely on the Advanced Parking
Guidance, you may cause an accident and
injure yourself and others.
You are always responsible for safety and
must continue to pay attention to your
immediate surroundings when parking and
maneuvering. G
Warning!
Make sure no persons or animals are in the
area in
which you are maneuvering. You could
otherwise injure them.
! Special attention must be paid to objects
with smooth surfaces or low silhouettes
(e.g. trailer couplings, painted posts,
elevated crossbars or road curbs). Such
objects may not be detected by the system
and can damage the vehicle.
! The operation and functionality of the
Advanced Parking Guidance can be
affected or impaired by dirty sensors,
especially at times of snow and ice.
Make sure that the area on the bumpers
around the sensors is free of dirt, ice and/
or slush, otherwise Advanced Parking
Guidance may not function properly.
i USA only:
This device has been approved by the FCC
as a “Vehicular Radar System”. The radar
sensor is intended for use in an automotive
radar system only. Removal, tampering, or
altering of the device will void any
warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way. Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
i Canada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1. This device
may not cause interference,
and
2. this device must accept any interference received, including
interference that may cause undesired
operation of the device.
Removal, tampering, or altering of the
device will void any warranties, and is not
permitted. Do not tamper with, alter, or use
in any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
When traveling in Canada in a vehicle not
registered in Canada, you must switch off the
radar sensor system ( Y page 216). Canadian
law does not permit the use of the radar
sensor system for vehicles from outside of
Canada. When you switch off the radar sensor
system, the following functions are
deactivated:
R Advanced Parking Guidance
R BAS PLUS (Y page 57)
R PRE-SAFE ®
Brake (Y page 62)
R DISTRONIC PLUS (Y page 304)
R Park Assist ( Y page 324)
R Blind Spot Assist (Y page 335)
Use the Advanced Parking Guidance for
parking spaces that are
R parallel to the direction of travel
R located on straight streets, i.e. not in
curves
R on the same level as the street, i.e. not on
sidewalks, for example. 328
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buttons, you must first switch off the Night
View Assist.
:
Night View Assist image
; Speedometer dial
Adjusting instrument cluster illumination
If you change the brightness of the
instrument cluster while the Night View
Assist is switched on, only the brightness of
the multifunction display is changed. X
Make sure the Night View Assist is
switched on.
X Brightening illumination: Turn knob :
clockwise.
X Dimming illumination: Turn knob :
counterclockwise. Dirty or fogged-up windshield The Night View Assist image is diminished
when the windshield in front of the camera is
R
dirty
R fogged up on the outside
R fogged up on the inside G
Warning!
Please do not forget that your primary
responsibility is to drive the vehicle. A driver’s
attention to the road must always be his/her
primary focus when driving. For your safety
and the safety of others, stop before trying to
remove window fogging or cleaning the
windshield in front of the Night View Assist
camera.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
X Removing condensation: Check settings
of the climate control and change them, if
necessary ( Y page 338).
X Swing the camera cover downward
(Y page 407).
X Cleaning inside of windshield: Use a soft,
non-scratching cloth (Y page 407). Blind Spot Assist
The Blind Spot Assist uses radar sensors to
monitor the area on both sides of your
vehicle. It will assist you when you change
lanes driving at speeds of above 20 mph
(30 km/h). A red warning lamp will come on
in the exterior rear view mirror as soon as
another vehicle is detected. If you then
activate the corresponding turn signals to
change lanes, the red warning lamp flashes
and warning sounds (collision warning). The
Blind Spot Assist operates using two sensors
in the front bumper and four sensors in the
rear bumper. Driving systems
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G
Warning!
The Blind Spot Assist is only a driving aid and
may not detect all vehicles.
The Blind Spot Assist may not be able to
detect narrow vehicles such as motorcycles
or bicycles, or it may not detect them until it
is too late.
The monitoring function may be impaired if
your sensors
are dirty, subject to heavy spray,
or if visibility is poor due to e.g. snow, rain, or
fog. This can result in vehicles not being
detected or being detected too late.
The Blind Spot Assist cannot detect road,
traffic and weather conditions.
It is the driver’s responsibility at all times to
be attentive to road, weather and traffic
conditions and to provide the steering,
braking and other driving inputs necessary to
retain control of the vehicle. Failure to do so
could result in recognizing dangers too late,
possibly resulting in an accident and serious
injury to yourself and others.
In order for the Blind Spot Assist to function,
the radar sensors must be switched on and
operational.
When traveling in Canada in a vehicle not
registered in Canada, you must switch off the
radar sensor system ( Y page 216). Canadian
law does not permit the use of the radar
sensor system for vehicles from outside of
Canada. When you switch off the radar sensor
system, the following functions are
deactivated:
R Blind Spot Assist
R BAS PLUS (Y page 57)
R PRE-SAFE ®
Brake (Y page 62)
R DISTRONIC PLUS (Y page 304)
R Park Assist ( Y page 324)
R Advanced Parking Guidance ( Y page 327)
i USA only:
This device has been approved by the FCC
as a “Vehicular Radar System”. The radar sensor is intended for use in an automotive
radar system only. Removal, tampering, or
altering of the device will void any
warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
i Canada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1. This device
may not cause interference,
and
2. this device must accept any interference received, including
interference that may cause undesired
operation of the device.
Removal, tampering, or altering of the
device will void any warranties, and is not
permitted. Do not tamper with, alter, or use
in any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
Sensor monitoring range The Blind Spot Assist is able to monitor a
range up to 10 ft (3 m) to the rear and both
sides of the vehicle.336
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G
Warning!
The Blind Spot Assist monitors certain areas
in the immediate vicinity of your vehicle.
Vehicles approaching and passing at speeds
that exceed the speed of your vehicle
significantly will not be detected. There will be
no warning display and no audible warning.
When driving in a very wide lane, the sensors
may not be able to cover the entire width of
the neighboring lane. Vehicles driving on the
outside of the neighboring lane may not be
detected.
It is the driver’s responsibility at all times to
be attentive to road, weather and traffic
conditions and to provide the steering,
braking and other driving inputs necessary to
retain control of the vehicle. Failure to do so
could result in recognizing dangers too late,
possibly resulting in an accident and serious
injury to yourself and others.
When driving in a very narrow lane, the
sensors may detect and display vehicles in the
second lane over. This will be the case if there
are vehicles driving on the inside edge of their
lane.
The system may issue causeless warnings in
the area of guardrails or similar structural
boundaries.
The Blind Spot Assist sensors are built into
the front and rear bumpers. Make sure that the area of the bumpers around the sensors
is free of dirt, ice and snow. The radar sensors
must not be obstructed, for example, by
bicycle carriers or overhanging luggage.
!
In the event of a significant impact or
damage affecting the bumpers, have the
radar sensors checked by a qualified
specialist workshop such as a Mercedes-
Benz Center. Failure to do this can result in
Blind Spot Assist not functioning correctly.
Indicator and warning lamps Exterior rear view mirror, driver’s side
X
Make sure that the radar sensors
(Y page 216) and Blind Spot Assist
(Y page 213) are switched on.
X Switch on the ignition.
Red warning lamps : in the exterior rear
view mirrors come on.
X Start the engine.
Yellow indicator lamps : in the exterior
rear view mirrors come on up to a speed of
20 mph (30 km/h).
Above a speed of 20 mph (30 km/h), yellow
indicator lamps : go out and the Blind Spot
Assist is active. If the Blind Spot Assist
detects a vehicle in its range, red warning
lamp : on the corresponding side of the
vehicle comes on.
When you shift the automatic transmission in
reverse gear R, yellow indicator lamps : in
the exterior rear view mirrors goes out after
approximately 3 seconds. The Blind Spot
Assist is then not active. Driving systems
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X
Move the driver’s seat or front passenger
seat as far to the rear as possible. X
Removing: Pull floormat off of retainer
pins :.
X Installing: Press floormat eyelets ; onto
retainer pins :. Infrared reflecting windshield
Infrared reflecting glass reduces the amount
of radiated heat entering the vehicle interior
through the windows.
The infrared reflecting glass also prevents the
transmission of signals through the glass by
in-vehicle electronic devices, e.g. electronic
toll collection devices. Vehicles without Night View Assist
:
Infrared transparent area (located left and
right to the cover of the rain light sensor)
; Cover of the rain light sensor
= Infrared transparent area Vehicles with Night View Assist
:
Infrared transparent area (located left to
the cover of the rain light sensor)
; Cover of the rain light sensor
= Infrared transparent area
To allow the use of these devices in the
vehicle, infrared transparent areas : and
= are placed in the windshield.
You can see them from certain angles when
ambient light condition permit. 364
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Coolant level
The engine coolant is a mixture of water and
anticorrosion/antifreeze.
When checking the coolant level, the vehicle
must be parked on level ground, and the
coolant temperature must be below 158‡
(70†). G
Warning!
In order to avoid any potentially serious burns:
R Use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system, or
if the coolant temperature gauge indicates
that the coolant is overheated.
R Do not remove the cap on the coolant
expansion tank if the coolant temperature
is above 158‡ (70†). Allow the engine to
cool down before removing the cap. The
coolant expansion tank contains hot fluid
and is under pressure.
R Using a rag, slowly open the cap
approximately 1
/ 2 turn counterclockwise
to relieve excess pressure. If opened
immediately, scalding hot fluid and steam
will be blown out under pressure.
R Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts. Example illustration: CL 550 4MATIC X
Using a rag, slowly open cap :
approximately 1
/ 2 turn counterclockwise
to relieve excess pressure.
X Continue turning cap : counterclockwise
and remove it.
The coolant level is correct if the level
R for cold coolant: reaches marking bar
= in coolant expansion tank ;
R for warm coolant: is approximately 0.6 in
(1.5 cm) higher
X Add coolant as required.
X Screw cap : back on and tighten it.
For more information on coolant, see the
“Technical data” section ( Y page 491) and
(Y page 494). Washer system and headlamp
cleaning system
G
Warning!
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/
antifreeze on hot engine parts, because it may
ignite and burn. You could be seriously
burned.
! Always use washer solvent/antifreeze
where temperatures may fall below
freezing point. Failure to do so could result
in damage to the washer system/fluid
reservoir.
! Only use washer fluid which is suitable for
plastic lenses. Improper washer fluid can
damage the plastic lenses of the
headlamps.
! Do not use distilled or deionized water in
the washer fluid reservoir. Otherwise, the
washer fluid level sensor could be
damaged.
Fluid for the washer system and the headlamp
cleaning system is supplied from the washer
fluid reservoir. 372
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R
be more prone to damage from road
hazards
R adversely affect ride comfort
R increase stopping distance Checking tire inflation pressure
Safety notes G
Warning!
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adversely
affect handling and fuel economy, and are
more likely to fail from being overheated.
Do not
overinflate tires. Overinflated tires can
adversely affect handling and ride comfort,
wear unevenly, increase stopping distance,
and result in sudden deflation (blowout)
because they are more likely to become
punctured or damaged by road debris,
potholes etc.
Do not overload the tires by exceeding the
specified load limit as indicated on the Tire
and Loading Information placard on the
driver’s door B-pillar. Overloading the tires
can overheat them, possibly causing a
blowout. Overloading the tires can also result
in handling or steering problems, or brake
failure.
Check the tire inflation pressure at least once
a month.
Check and adjust the tire inflation pressure
when the tires are cold ( Y page 374).
Checking tire inflation pressure
manually Follow the steps below to achieve correct tire
inflation pressure:
X
Remove the cap from the valve on one tire.
X Firmly press a tire gauge onto the valve.
X Read the tire inflation pressure on the tire
gauge and check against the
recommended tire
inflation pressure on the Tire and Loading Information placard on the
driver’s door B-pillar
(Y
page 381). If
necessary, add air to achieve the
recommended tire inflation pressure.
X If you have overfilled the tire, release tire
inflation pressure by pushing the metal
stem of the valve with e.g. a tip of a pen.
Then recheck the tire inflation pressure
with the tire gauge.
X Install the valve cap.
X Repeat this procedure for each tire.
Advanced Tire Pressure Monitoring
System (Advanced TPMS) Your vehicle is equipped with the Advanced
Tire Pressure Monitoring System (Advanced
TPMS).
It
measures the tire inflation pressure
in the vehicle’s tires and issues warnings in
case of pressure loss in one or more of the
tires.
The TPMS is equipped with a combination low
tire pressure/ TPMS malfunction telltale
(USA) or a low tire pressure telltale (Canada)
in the instrument cluster. Depending on how
the telltale illuminates, it indicates a low tire
pressure condition or a malfunction in the
TPMS system itself:
R If the telltale illuminates continuously, one
or more of your tires is significantly
underinflated. There is no malfunction in
the TPMS.
R USA only: If the telltale flashes for 60
seconds and then stays illuminated, the
TPMS system itself is not operating
properly.
The TPMS only functions on wheels that are
equipped with the proper electronic sensors. G
Warning!
The TPMS does not indicate a warning for
wrongly selected inflation pressures. Always
adjust tire
inflation pressure according to the
Tire and Loading Information placard or the Tires and wheels
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