parking sensors MERCEDES-BENZ S CLASS 2005 Owners Manual

235 Controls in detail
Driving systems
Parktronic system* (Parking assist)
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 placed the gear selector lever in posi-
tion 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 place the gear selector lever in
position P.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 bumperWarning!
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
with smooth surfaces or low silhouettes
(e.g. trailer couplings, painted posts, 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, es-
pecially at times of snow and ice, see
“Cleaning the Parktronic* system sensors”
(page 333).
Interference 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.
Warning!
G
Make sure no persons or animals are in the
area in which you are maneuvering. You
could otherwise injure them.

236 Controls in detailDriving systemsRange 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 see “Clean-
ing the Parktronic* system sensors”
(page 333).
Front sensors
Rear sensors
Center
approx. 40 in (100 cm)
Corners
approx. 24 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, car wash, or
jackhammers) may impair the opera-
tion of the Parktronic system.

460 IndexParking position
Exterior rear view mirrors 130, 171,
187
Parktronic system* 235, 440
Parktronic*
Cleaning sensors 333
Malfunctioning 239
Warning indicators 237
Parts service 416
Passenger compartment 280
Fuse box in 412
Interior lighting 137
Interior rear view mirror 41
Parcel net in front passenger
footwell 250
Passenger safety see Occupant
safety 60
Passenger seat fore and aft
adjustment 119
Passenger seat head restraint
height 119
Passenger seat height 119
Pedals 273
Phone book*
Loading 154
Quick search 154Phone number*
Dialing 154
Redialing 155
Plastic and rubber parts
Cleaning 336
Poly-V-belt drive 440
Positions (Memory function)
Recalling from memory 129
Positions (Memory function*)
Storing into memory 129
Potential problems associated with under-
inflated and overinflated tires 311
Power assistance 273
Power closing assist for doors and trunk
lid 112
Power seat
Adjusting backrest tilt 38
Adjusting head restraint height 39
Adjusting head restraint tilt 39
Adjusting seat cushion depth 38
Adjusting seat cushion tilt 38
Adjusting seat height 38
Front seat head restraints 116
Seat fore and aft adjustment 38Power seat bench* 117
Head restraint height 117
Power tilt/sliding sunroof 211
Closing 211
Closing in an emergency 386
Messages in display 370
Opening 211
Opening in an emergency 386
Power train 441
Power windows 207
Blocking of rear window operation 78
Closing 207, 208
Opening 207
Side windows 207
Synchronizing 209
Power-wash 331
Practical hints
First aid kit 379
Fuses 411
Lamp in center console 346
Lamps in instrument cluster 338
Towing the vehicle 408
Vehicle status messages in the multi-
function display 347
Vehicle tool kit 379