brake sensor MERCEDES-BENZ E320 2003 W211 Owner's Manual

197 Controls in detail
Driving systems
Distronic*
When activated, the Distronic adaptive
cruise control system increases driving
convenience afforded by the cruise control
during travel on expressways and other
major roads.

If the Distronic distance sensor detects
a slower moving vehicle directly ahead,
your vehicle speed will be reduced so
that you follow that vehicle at a preset
distance.


If there is no vehicle directly ahead of
you, Distronic will function in the same
way as cruise control (
page 201).
Warning!
G
Distronic adaptive cruise control is no sub-
stitute for active driving involvement. It does
not react to stationary objects, nor recog-
nize or predict the curvature and lane layout
or the movement of vehicles ahead. Distron-
ic can only apply a maximum of 20% of the
vehicle’s braking power.
It is the driver’s responsibility at all times to
be attentive to traffic and road conditions
and to provide the steering, braking and oth-
er driving inputs necessary to retain control
of the vehicle.Warning!
G
Distronic is a convenience system. Its speed
adjustment reduction capability is intended
to make cruise control more effective and
usable when traffic speeds vary. However, it
is not intended to, nor does it, replace the
need for extreme care. The responsibility for
the vehicle speed and the distance to the ve-
hicle ahead, including most importantly
brake operation to assure safe stopping dis-
tance, always rests with the driver.
Distronic cannot take street and traffic con-
ditions into account.
Warning!
G
Distronic requires familiarity with its opera-
tional characteristics. We strongly recom-
mend that you review the following
information carefully before operating the
system.iFor operation in the USA only: This de-
vice complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:

This device may not cause harmful
interference, and


this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.

207 Controls in detail
Driving systems
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, Dis-
tronic will switch off, and the message Distronic - Clean sensor! see oper.
Manual
appears in the multifunction dis-
play.
For cleaning and care of the Distronic sen-
sor, see "Cleaning the Distronic system
sensor" (page 283).Turns and bends
In turns or bends, Distronic may not detect
a moving vehicle in front, or it may detect
one too soon. This may cause your vehicle
to brake late or unexpectedly.
iIf the message "Distronic - clean sen-
sor!" See oper. manual disappears dur-
ing driving and the last speed stored
flashes for approximately five seconds,
the dirt (e.g. slush) has dissolved;
Distronic works again.

212 Controls in detailDriving systemsSuspension for sporty driving style I
The setting for sporty driving I is selected
when one indicator lamp2 is illuminated.
Press button1.
One indicator lamp2 comes on.
Suspension for sporty driving style II
The setting for sporty driving II is selected
when two indicator lamps2 are illuminat-
ed.

Press button1 twice.
Two indicator lamps2 come on.
Suspension for regular driving style
The setting for regular driving is selected
when the two indicator lamps2 are off.

Press button1 repeatedly until all indi-
cator lamps go out.
The indicator lamps2 go out.
PARKTRONIC system*
The Parktronic system is an electronic aid
designed to assist the driver during park-
ing maneuvers. It visually and audibly indi-
cates the relative distance between the
vehicle and an obstacle.
The Parktronic system is automatically ac-
tivated when you switch on the ignition
and release the parking brake. The Park-
tronic system deactivates at speeds over
11 mph (18 km/h). At lower speeds the
Parktronic system turns on again.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 rests with the driver.
Special attention must be paid to objects
having smooth surfaces or low silhouettes
(e.g. trailer couplings, painted posts, or
street curbs). Such objects may not be de-
tected by the system and can damage the
vehicle.
The operational function of the Parktronic
can be affected by dirty sensors, especially
at times of snow and ice. See "Cleaning the
Parktronic system sensors" (
page 284).
Interference caused by other ultrasonic sig-
nals (e.g. working jackhammers or the air
brakes of trucks) can cause the system to
send erratic indications, and should be tak-
en into consideration.
Warning!
G
Be sure that no persons or animals are in the
area in which you are maneuvering. You
could otherwise injure them.

213 Controls in detail
Driving systems
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 bumperRange of the sensors
To function properly, the sensors must be
free of dirt, ice, snow and slush. Clean the
sensors regularly, being careful not to
scratch or damage the sensors.
Front sensors
Rear sensorsMinimum distance
If the system encounters an obstacle in
this range, all the warning lamps light up
and you hear a warning signal. If the obsta-
cle is closer than the minimum distance,
the actual distance may no longer be indi-
cated by the system.
Center
approx. 40 in (100 cm)
Corners
approx. 23 in (60 cm)
Center
approx. 48 in (120 cm)
Corners
approx. 32 in (80 cm)
!During parking maneuvers, pay special
attention to objects located above or
below the height of the sensors (e.g.
planters or trailer hitches). The Park-
tronic system will not detect such ob-
jects at close range and damage to
your vehicle or the object may result.
Ultrasonic signals from outside sourc-
es (e.g. truck air brakes or jackham-
mers) may impair the operation of the
Parktronic system.
Center
approx. 8 in (20 cm)
Corners
approx. 6 in (15 cm)

271 Operation
Tires and wheels
Activating the tire inflation pressure
monitor
You must activate the tire inflation pres-
sure monitor in the following cases:

If you have changed the tire pressure


If you have replaced the wheels or tires


If you have installed new wheels or
tires

Be sure that the tire pressure is cor-
rectly set.

Press the ÿ button on the steering
wheel repeatedly until the standard dis-
play menu appears (
page 126).

Press the kbutton until the infla-
tion pressure of each tire appears in
the multifunction display.

Press the reset knob (
page 22).
The following message will appear in
the multifunction display:
Check current tire pressure?
.

Press the æ button for
Yes
.
The following message will appear in
the multifunction display:
Tire pressure
monitor activated
Press. display after
driving a few mins.
Warning!
G
The tire inflation pressure monitor does not
indicate a warning for wrongly selected in-
flation pressures. Always adjust tire inflation
pressure according to the label affixed on
the fuel filler cap.
The tire inflation pressure monitor is not
able to issue a warning due to a sudden loss
of pressure (e.g. tire puncture caused by a
foreign object). In this case bring the vehicle
to a halt by carefully applying the brakes and
avoiding abrupt steering maneuvers.iOperating radio transmission equip-
ment (e.g. wireless headsets, two-way
radios) in or near the vehicle could
cause the tire inflation pressure moni-
tor to malfunction.
iIf transporting a deflated road wheel or
additional wheel sensors in the vehicle,
the tire inflation pressure monitor
should not be reactivated until the de-
flated wheel or additional wheel sen-
sors have been removed from the
vehicle. Otherwise, the deflated wheel
or additional sensors could confuse the
tire inflation pressure monitor system
and cause it to malfunction.

319 Practical hints
What to do if …
Display
Possible cause
Possible solution
H
Tire pressure monitor-
ing activated
The tire pressure is being checked.
Tire pressure monitor-
ing Reactivate

The tire inflation pressure monitor* is de-
activated.

Activate the tire inflation pressure moni-
tor* (
page 271).
Tire pressure monitor-
ing currently inactive
The tire inflation pressure monitor* is un-
able to monitor the tire pressure due to

the presence of several wheel sensors
in the vehicle.


excessive wheel sensor temperatures.


a nearby radio interference source.


unrecognized wheel sensors mounted.

Check the tire pressure at the next ser-
vice station.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.

320 Practical hintsWhat to do if …Display
Possible cause
Possible solution
H
Tire pressure monitor-
ing
Visit workshop!
The tire inflation pressure monitor is mal-
functioning.
A wheel without proper sensor was in-
stalled.

Have the tire inflation pressure monitor
checked by an authorized
Mercedes-Benz Center.

Change the wheel.
Tire pressure, rear left
Caution tire defect!
The left rear tire is rapidly deflating.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking ma-
neuvers.

Change the wheel (
page 338).
Tire pressure, rear left
Check tires!
The left rear tire pressure is low.

Carefully bring the vehicle to a halt.

Check the tire pressure.

Change the wheel (
page 338).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.

375 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
BabySmart
TM airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front airbag when such a
seat is properly installed
(PASSENGER AIRBAG OFF indicator
lamp located in the center console
lights up). See your authorized
Mercedes-Benz Center for availability. BabySmart
TM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger side airbag if a BabySmart
TM
compatible child seat is installed.
BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bi-Xenon headlamps*
Headlamps which use an electric arc as
a light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.

382 IndexAIRMATIC DC (Dual Control) 209
Alarm
Audible 72, 82
Canceling 82
Visual 82
Alarm system
Anti-theft 82
Alignment bolt (vehicle tool kit) 340, 375
Antiglare
Automatic 157
Antilock brake system (ABS) 375
Anti-theft alarm system
Arming 82
Canceling alarm 82
Disarming 82
Anti-theft systems 81
Anti-theft alarm system 82
Immobilizer 81
Tow-away alarm 82
Ashtray 231
AUDIO menu 126
Selecting radio station 127
Automatic antiglare for rear view
mirror 157Automatic central locking
Activating/deactivating (control
system) 142
Automatic climate control
Temperature sensor 27
Automatic climate control* 172
Adjusting air distribution 177
Adjusting air volume 166, 177
Air recirculation mode 178
Defrosting 178
Rear window defroster 169, 180
Residual heat utilization 182
Residual ventilation 182
Setting the temperature 176
Automatic headlamp mode 113
Automatic lighting control
Activating 116
Deactivating 116
Automatic locking when driving 99
Automatic transmission 151
Accelerator position 156
Emergency operation (Limp Home
Mode) 156
Gear ranges 153Gear selector lever position 154
Gear shifting malfunctions 156
Kickdown 156
One-touch gearshifting 152
Program mode selector switch 155
Selector lever position 151
Starting the engine 43
Winter program mode 155
B
BabySmart
TM
Compatible child seats 375
Self-test 68
BabySmart
TM airbag deactivation
system 67, 375
Backrest
Folding forward 220
Folding rearward 221
BAS 74, 375
Messages in display 297, 298
Batteries, SmartKey
Changing 329
Check lamp 87
Checking 88

383 Index
Batteries, vehicle
Charging 344
Disconnecting 344
Messages in display 303, 304
Reconnecting 345
Removing 344
Service 343
Battery discharged
Jump starting 346
Bi-Xenon headlamps* 375
Blocking
Rear window operation 71
Brake assist system (BAS) 375
Brake pads
Message in display 305
Brakes
Warning lamp 291
Bulbs, replacing
Front lamps 332, 334
High beam bulb (Bi-Xenon* headlamps
only) 334
License plate lamps 336
Parking lamps 335
Standing lamps 335
Tail lamp assemblies 336C
CAC (Customer Assistance Center) 375
Calling up
Distronic* settings 128
Range (distance to empty) 147
CAN system 375
Cargo area see Trunk 88
Cargo tie-down rings 225
Cassette player
Operating 128
CD player*
Operating 127, 128
Center console
Lower part 26
PASSENGER AIRBAG OFF indicator
lamp 294
Upper part 25
Centigrade
Setting temperature units 134
Central locking
Automatic 99
From inside 100
Switch 100
Switching on/off (control
system) 142
Unlocking from inside 100Central locking switch 100
Changing
Batteries (SmartKey) 329
Key setting 143
Vehicle level 210
Charcoal filter 180
Charging
Vehicle batteries 344
Child safety 65
Airbags 58
Infant and child restraint systems 61,
65
Child safety switch see Blocking of rear
window operation 71
Cigarette lighter 232
Cleaning
Headlamps 158
Parktronic* system sensor 284
Windshield 48
Cleaning and care of the vehicle
Distronic system sensor 283
MB Tex upholstery 285
Climate control 162
Adjusting 166
Defrosting 167
Setting the temperature 165