sensor MERCEDES-BENZ CL-CLASS 2007 Owner's Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2007, Model line: CL-CLASS, Model: MERCEDES-BENZ CL-CLASS 2007Pages: 723, PDF Size: 19.87 MB
Page 412 of 723
411 Controls in detail
Driving systems
DISTRONIC Plus*
When activated, the DISTRONIC Plus adap-
tive cruise control system increases the
driving convenience afforded by the cruise
control while traveling on expressways and
other major roadways.
If the DISTRONIC Plus distance sensor
detects a slower moving vehicle direct-
ly ahead, your vehicle speed will be re-
duced so that you follow that vehicle at
your preset following distance.
If there is no vehicle directly ahead of
you, DISTRONIC Plus will function in
the same way as standard cruise con-
trol (
page 405).
DISTRONIC Plus functions within a speed
range of 0 to 120 mph
(Canada: 0 to 200 km/h).When travelling in Canada in a vehicle not
registered in Canada, you must switch off
the radar sensor system* (
page 272).
Canadian law does not permit the use of
the radar sensor system* (
page 272) for
vehicles from outside of Canada. When you
switch off the radar sensor system*, the
following functions are deactivated:
BAS Plus* (page 67)
DISTRONIC Plus
Park Assist* (page 435)
PRE-SAFE® Brake* (page 73)
Warning!G
DISTRONIC Plus is a convenience system.
Its speed adjustment reduction capability is
intended to make the cruise control more ef-
fective and usable when traffic speeds vary.
It is not however, intended to, nor does it, re-
place the need for extreme care. The re-
sponsibility for the vehicle speed and the
distance to the vehicle ahead, including
most importantly brake operation to assure
safe stopping distance, always remains with
the driver.
DISTRONIC Plus cannot take street and traf-
fic conditions into account.
Complex driving situations are not always
fully recognized by DISTRONIC Plus. This
could result in wrong or missing distance
warnings.
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412 Controls in detail
Driving systems
Warning!G
DISTRONIC Plus adaptive cruise control is
no substitute for active driving involvement.
It does not react to pedestrians or stationary
objects, nor does it recognize or predict the
curvature and lane layout or the movement
of vehicles ahead. DISTRONIC Plus can only
apply a maximum of 40% of the vehicle’s
braking power.
DISTRONIC Plus may not detect narrow ve-
hicles possibly driving in front of you, such
as motorcycles and vehicles driving in an
offset formation.
It is the driver’s responsibility at all times to
be attentive to road, weather and traffic con-
ditions and to provide the steering, braking
and other driving inputs necessary to retain
control of the vehicle.
High-frequency sources such as toll sta-
tions, speed measuring systems etc. can
cause the DISTRONIC Plus system to tem-
porarily cease functioning.
Warning!G
DISTRONIC Plus requires familiarity with its
operational characteristics. We strongly rec-
ommend that you review the following infor-
mation carefully before operating the
system.
Warning!G
DISTRONIC Plus cannot take street and traf-
fic conditions into account. Only use
DISTRONIC Plus if the road, weather and
traffic conditions make it advisable to travel
at a steady speed.
Warning!G
Use of DISTRONIC Plus can be dangerous
on slippery roads. Rapid changes in tire trac-
tion can result in wheel spin and loss of con-
trol.
DISTRONIC Plus does not act upon adverse
sight distance conditions. Do not use
DISTRONIC Plus during conditions of fog
and heavy rain, snow or sleet.
Warning!G
DISTRONIC Plus cannot take weather condi-
tions into account. Switch off
DISTRONIC Plus or do not turn it on if:
roads are slippery or covered with snow
or ice. The wheels could lose traction
while braking or accelerating, and the
vehicle could skid.
the sensor is dirty or visibility is
diminished due to snow, rain or fog. The
distance control could be impaired.
Always pay attention to traffic conditions
even while DISTRONIC Plus is switched on.
Otherwise, you may not be able to recognize
dangerous situations until it is too late and
could cause an accident resulting in person-
al or fatal injury to you or others.
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Page 414 of 723
413 Controls in detail
Driving systems
Warning!G
The “Resume” function should only be oper-
ated if the driver is fully aware of the previ-
ously set speed and wishes to resume this
particular preset speed.
Warning!G
Close attention to road and traffic condi-
tions is imperative at all times, regardless of
whether or not DISTRONIC Plus is activated.
Use of DISTRONIC Plus can be dangerous
on winding roads as conditions do not allow
safe driving at a steady speed.
DISTRONIC Plus may not react to stationary
objects in the roadway (e.g. a stopped vehi-
cle in a traffic jam or a disabled vehicle).
DISTRONIC Plus will also not respond to on-
coming vehicles.
Switch off DISTRONIC Plus:
when changing from the left to the right
lane if vehicles are moving more slowly
in the left lane
when entering a turn lane or highway off
ramp
in complex driving situations, such as in
highway construction zones
In these situations, DISTRONIC Plus will
continue to maintain the set speed unless
deactivated.
DISTRONIC Plus is designed and intended
only to maintain a set speed and keep a set
distance from moving objects in front of it.
iDo not use DISTRONIC Plus if you are driv-
ing on a road with steep uphill or downhill slopes.
iDue to its radar-emitting nature DISTRONIC
Plus may have an appearance similar to a radar
detector to law enforcement officials. You may
want to refer to this section of your Operator’s
Manual when asked.
iUSA 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 de-
vice 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.
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Page 419 of 723
418 Controls in detail
Driving systems
In the following cases you cannot activate
DISTRONIC Plus:
up to 2 minutes after starting the en-
gine
if the engine is switched off
if you step on the brake pedal while
driving
the vehicle is secured with the elec-
tronic parking brake
if the gear selector lever is in
positionP, R, or N
if ESP® is switched off
if the hood is open
if the driver’s door is open and the driv-
er has not fastened his or her seat belt
if the radar sensors are switched off
(
page 272).Switching on while driving
Tap DISTRONIC Plus lever up1 or
down2 until desired speed is set.
DISTRONIC Plus is switched on.
or
Pull DISTRONIC Plus lever briefly in di-
rection of arrow4 to call up speed
last set (
page 423).
DISTRONIC Plus is switched on.
Take your foot off the accelerator ped-
al.
Your vehicle adapts its speed to the ve-
hicle ahead, observing the set speed as
a maximum value.
iUnder 20 mph (30 km/h), you can only
switch on DISTRONIC Plus if the vehicle ahead of
you has been detected and is shown on the mul-
tifunction display. If you no longer see the vehi-
cle in front of you on the multifunction display
and if it is no longer detected because it has
changed lanes, for example, DISTRONIC Plus
switches off and you will hear a signal.
iIf you do not completely lift your foot off the
accelerator pedal, the message
“DISTRONIC PLUS override” appears on the mul-
tifunction display. The distance to a slower-driv-
ing vehicle will not be set. You will drive at the
speed you dictate by pressing the accelerator
pedal.
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Page 425 of 723
424 Controls in detail
Driving systems
DISTRONIC Plus deactivates automatically
when:
the vehicle is secured with the elec-
tronic parking brake
the vehicle speed is below 20 mph
(30 km/h) and no preceding vehicle is
detected
the ESP® is in operation or switched off
with the ESP® switch (page 71)
you set the automatic transmission
toP, R, or N while driving
the radar sensors are switched off
(
page 272)
the vehicle rolls backward
The segments in the multifunction display
go out, an acoustic signal sounds, and the
message “DISTRONIC PLUS Off” appears in
the multifunction display for approximately
5 seconds.If the vehicle has been stopped by
DISTRONIC Plus and a malfunction occurs
in the system, the message “Brake immedi-
ately” will appear on the multifunction dis-
play. Step on the brake immediately to
prevent the vehicle from rolling.
DISTRONIC Plus is then switched off and
the message disappears.
Warning!G
DISTRONIC Plus switches off and releases
the brakes when the vehicle decelerates be-
low the minimum speed of 20 mph
(30 km/h) by operation of the system un-
less DISTRONIC Plus detects a vehicle di-
rectly ahead of you. At that time the driver
must apply the brakes in order to reduce ve-
hicle speed further or bring it to a stop.
!Setting the automatic transmission toN
while driving cancels the DISTRONIC Plus. How-
ever, the automatic transmission should not be
set toN while driving except to coast when the
vehicle is in danger of skidding (e.g. on icy
roads).
iDepressing the accelerator pedal does not
deactivate DISTRONIC Plus. After brief accelera-
tion (e.g. for passing), DISTRONIC Plus will re-
sume to the last set speed.
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Page 427 of 723
426 Controls in detail
Driving systems
Driving with DISTRONIC Plus
This section describes a number of driving
situations where special precaution is re-
quired on the part of the driver. Be pre-
pared to brake in such situations. Braking
will deactivate the DISTRONIC Plus sys-
tem.
The most likely cause for a malfunctioning
system is a dirty sensor (located behind
the hood grille), especially at times of snow
and ice or heavy rain. In such a case,
DISTRONIC Plus will switch off, and the
message:“DISTRONIC PLUS
currently unavailable
See Oper. Manual”
appears in the multifunction display.
For cleaning and care of the
DISTRONIC Plus sensor, see “Cleaning the
DISTRONIC Plus*/ PRE-SAFE
® Brake* sys-
tem sensors (USA only)”(
page 558).
Another cause might be that the radar sen-
sors have been manually switched off in
the instrument cluster control system.
Please verify that the radar sensors are
switched on (
page 272).
Warning!G
DISTRONIC Plus works to maintain the
speed selected by the driver unless a mov-
ing obstacle proceeding directly ahead of it
in the same travel direction is detected (e.g.
following another vehicle ahead of you at
your set distance).
This means that:
Your vehicle can pass another vehicle
after you change lanes.
While in a sharp turn or if the vehicle in
front is in a sharp turn, DISTRONIC Plus
could lose sight of a vehicle traveling in
front of it, then your vehicle could accel-
erate to the previously selected speed.
DISTRONIC Plus regulates only the distance
between your vehicle and those directly
ahead of it. It may not register stationary ob-
jects in the road, e.g.:
a stopped vehicle in a traffic jam
a disabled vehicle
an oncoming vehicle
The driver must always be alert, observe all
traffic and intercede as required by means
of steering or braking the vehicle.
Warning!G
DISTRONIC Plus should not be used in
snowy or icy road conditions.
iIf the message:
“DISTRONIC PLUS
currently unavailable
See Oper. Manual”
disappears during driving and the last speed
stored flashes for approximately 5 seconds, the
dirt (e.g. slush) has dissolved; DISTRONIC Plus is
available again.
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Page 432 of 723
431 Controls in detail
Driving systems
Parktronic system*
The Parktronic system is an electronic
parking aid with ultrasonic sensors that
helps you while parking.
It visually and audibly indicates the relative
distance between the vehicle and an ob-
stacle.
The Parktronic system is automatically ac-
tivated when you switch on the ignition, re-
lease the electronic parking brake or start
the engine and engage gear D, R or N.The Parktronic system deactivates at
speeds over approximately 11 mph
(18 km/h). At lower speeds the Parktronic
system turns on again.
The Parktronic system also deactivates
when you set the automatic transmission
to P or secure the vehicle in place with the
electronic parking brake and switch off the
engine.
The Parktronic system monitors the sur-
roundings of your vehicle with six sensors
in the front bumper and four sensors in the
rear bumper.
1Sensors in the front bumper (Only visi-
ble without DISTRONIC Plus*)
Warning!G
Parktronic is a supplemental system. It is
not intended to, nor does it replace, the
need for extreme care. The responsibility
during parking and other critical maneuvers
always remains with the driver.
Warning!G
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 cross-
bars or road curbs). Such objects may not be
detected by the system and can damage the
vehicle.
!The operational function of the Parktronic
system can be affected by dirty sensors, espe-
cially 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 Parktronic system may not
function properly, see “Cleaning the Parktronic*
system sensors” (
page 559).
iInterference caused by other ultrasonic sig-
nals (e.g. working jackhammers, car wash, or the
air brakes of trucks) can cause the system to
send erratic indications, and should be taken
into consideration.
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Page 433 of 723
432 Controls in detail
Driving systems
Range of the sensorsFront sensors
Rear sensorsMinimum distance
If the system detects an obstacle in this
range, all the distance warning segments
illuminate and you hear a warning signal. If
the obstacle is closer than the minimum
distance, the actual distance may no long-
er be indicated by the system.
iTo function properly, the sensors must be
free of dirt, ice, snow and slush. Clean the sen-
sors regularly, being careful not to scratch or
damage the sensors, see “Cleaning the Park-
tronic* system sensors” (
page 559).
Centerapprox. 40 in (100 cm)
Cornersapprox. 24 in (60 cm)
Centerapprox. 48 in (120 cm)
Cornersapprox. 32 in (80 cm)
!During parking maneuvers, pay special at-
tention to objects located above or below the
height of the sensors (e.g. street curbs, painted
posts, or trailer hitches etc.). The Parktronic sys-
tem will not detect such objects at close range
and damage to your vehicle or the object may
result.
Ultrasonic signals from outside sources (e.g.
truck air brakes, car wash, or jackhammers) may
impair the operation of the Parktronic system.
Centerapprox. 8 in (20 cm)
Cornersapprox. 6 in (15 cm)
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Page 434 of 723
433 Controls in detail
Driving systems
Warning indicators
Visual signals indicate to the driver the rel-
ative distance between the sensors and an
obstacle.
The warning indicator for the front area is
in the instrument cluster. The warning indi-
cator for the rear area is on the roof liner in
the rear.
1Left side of the vehicle
2Right side of the vehicle
3Readiness indicators
Each warning indicator is divided into five
yellow and two red distance segments for
either side of the vehicle.
If yellow readiness indicators 3 under the
distance segments are lit, Parktronic is
ready to measure.The position of the gear selector lever de-
termines which warning indicators will be
activated.
As your vehicle approaches an object, one
or more distance segments will illuminate,
depending on the distance. When the sev-
enth distance segment illuminates, you
have reached the minimum distance.Front area:
An intermittent acoustic warning will
sound as the first red distance segment
illuminates and a constant acoustic
warning lasting a maximum of
2 seconds will sound for the second
red distance segment. The signal is
canceled when the gear selector lever
is placed in position P.
Rear area:
An intermittent acoustic warning will
sound as the first red distance segment
illuminates and a constant acoustic
warning lasting a maximum of
2 seconds will sound for the second
red distance segment. The signal is
canceled when the gear selector lever
is placed in position D orP.
Gear selector
lever positionWarning indicator
DFront area activated
RFront and rear area
activated
NWith the electronic
parking brake engaged:
neither activated.
With the electronic
parking brake released:
front and rear area
activated.
PNeither activated
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Page 435 of 723
434 Controls in detail
Driving systems
Switching Parktronic system on/off
The Parktronic system can be switched off
manually.
1Parktronic button
2Indicator lampSwitching off the Parktronic sys-
tem: Press button 1.
Indicator lamp 2 comes on.
Switching on the Parktronic system:
Press button 1 again.
Indicator lamp 2 goes out.
Parktronic system malfunction
If only the red distance segments illumi-
nate and an acoustic warning sounds,
there is a malfunction in the Parktronic
system. The Parktronic system will auto-
matically switch off after 20 seconds and
the indicator lamp in the Parktronic switch
comes on.
Have the Parktronic system checked
by an authorized Mercedes-Benz
Center as soon as possible.
If only the red distance segments illumi-
nate and no acoustic warning sounds, the
Parktronic system sensors are dirty or
there is an interference from other radio or
ultrasonic signals. The Parktronic system
will automatically switch off after 20 sec-
onds and the indicator lamp in the
Parktronic switch comes on.
Switch off the ignition (page 336).
Clean the Parktronic system sensors
(
page 559).
Switch on the ignition.
or
Check the Parktronic system operation
at another location to rule out interfer-
ence from outside radio or ultrasonic
signals.
iThe Parktronic system is automatically
switched on when the ignition is switched on
(
page 336).
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