2005 MERCEDES-BENZ G55AMG parking sensors

179 Controls in detail
Driving systems
Rear Parking Assist*
The Rear Parking Assist system is an elec-
tronic aid designed to assist the driver dur-
ing parking maneuvers. It visually and
audibly indicates the relative distance be-
tween the rear of the vehicle and an obsta-
cle.
The Rear Parking Assist system is auto-
matically activated when you switch on the
ignition and shift the gear selector lever to
positionR.The Rear Parking Assist system monitors
the rear area of your vehicle by means of
four sensors in the rear bumper.
1SensorsWarning!
G
Rear Parking Assist (rear 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
street curbs). Such objects may not be de-
tected by the system and can damage the
vehicle.
The operational function of the Rear Parking
Assist can be affected by dirty sensors, es-
pecially at times of snow and ice. See
“Cleaning the Rear Parking Assist sensors”
(page 283).
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
Make sure no persons or animals are in the
area in which you are maneuvering. You
could otherwise injure them.

180 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 them.Minimum distance
The minimum distance between the sen-
sors and an obstacle is approximately
20 in (50 cm). If you encounter an obstacle
in this range, all the warning lamps come
on and you hear a warning signal. If the ob-
stacle is closer than the minimum dis-
tance, the actual distance may no longer
be indicated by the system.
Center
approx. 59.1 in (150 cm)
Corners
approx. 40 in (100 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 Rear
Parking Assist system will not detect
such objects at close range and dam-
age 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
Rear Parking Assist system.

181 Controls in detail
Driving systems
Warning indicator
Visual signals indicate to the driver the rel-
ative distance between the sensors and an
obstacle. The warning indicator is located
next to the tailgate.Warning indicatorAs your vehicle approaches an object, one
or more segments will come on, depending
on the distance. When the sixth segment
lights, you have reached the minimum dis-
tance.An intermittent acoustic warning will
sound when the first yellow segment
comes on. This signal quickens with each
additional segment lit. When all segments
illuminate, the acoustic warning becomes
a constant signal. The signal is canceled
when the gear selector lever is placed in
position D or P.
Rear Parking Assist malfunction
There is a malfunction in the Rear Parking
Assist system if:


a low warning tone sounds while the
vehicle is reversing
The Rear Parking Assist sensors are
dirty or malfunctioning.
Clean the Rear Parking Assist sys-
tem sensors (
page 283).

Switch on the ignition again.


no segments come on and no warning
sounds
The Rear Parking Assist is malfunction-
ing.
Have the Rear Parking Assist sys-
tem checked by an authorized
Mercedes-Benz Light Truck Center
as soon as possible.
Malfunction may also be caused by inter-
ference from other radio or ultrasonic sig-
nals.

Check the Rear Parking Assist opera-
tion at another location to rule out in-
terference from outside radio or
ultrasonic signals.

283 Operation
Vehicle care
Cleaning the Rear Parking Assist
sensors*
1Sensor
Use a mild car wash detergent, such as
Mercedes-Benz approved Car
Shampoo, with plenty of water to
clean sensors1.
To prevent scratches, never apply strong
force and use only a soft, non-scratchy
cloth when cleaning the sensors. Do not
attempt to wipe dirty sensors with a dry
cloth or sponge.Wiper blades

Fold wiper arms forward.

Clean the wiper blade inserts with a
clean cloth and detergent solution.Window cleaning

Fold wiper arms forward.

Use a window cleaning solution on all
glass surfaces.
An automotive glass cleaner is recom-
mended.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch before
cleaning the wiper blades. Otherwise, the
wiper motor can suddenly turn on and cause
injury.!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch before
cleaning the windshield. Otherwise, the wip-
er motor can suddenly turn on and cause in-
jury.!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.

390 IndexCentigrade
Setting temperature units 135
Central locking
From inside 99
Switch 99
Switching on/off (control
system) 141
Unlocking from inside 99
Certification label 366
Changing
Key setting 142
Charging
Vehicle battery 351
Checking
Coolant level 237, 244
Oil level 237, 239
Checklist
Off-road driving 225
Child safety 72
Infant and child restraint systems 62,
68, 72
LATCH child seat anchors 77
Child safety switch see Blocking of rear
door window operation
Cigarette lighter 195Cleaning
Cup holders 284
Gear selector lever 284
Hard plastic trim items 284
Headlamps 162
Headliner 284
Illuminated door sill panels 285
Instrument cluster 284
Leather upholstery 285
Light alloy wheels 284
MB Tex upholstery 285
Plastic and rubber parts 285
Rear Parking Assist sensors* 283
Seat belts 284
Steering wheel 284
Windows 283
Windshield 54
Wiper blades 283
Wood trims 285
Cleaning tires 250
Climate control 164
Adjusting 167
Defogging windshield 167
Defrosting 168
Rear window defroster 163
Setting the temperature 166Clock 25
Closing
Glove box 190
Hood 239
Side windows 171
Tailgate 98
Tilt/sliding sunroof 173, 328
Tilt/sliding sunroof with
SmartKey 175
Windows 171
Windows with SmartKey 172
Closing tilt/sliding sunroof
In an emergency 328
Cockpit 22, 381
Cockpit management and data system
(COMAND) 382
Cold tire inflation pressure 271
COMAND 382
COMAND see separate operating
instructions
Combination switch 23, 114
High beam flasher 52, 114
High beam headlamps 114
Turn signals 52
Windshield wipers 53

404 IndexR
Radio
Satellite (USA only) 129
Selecting stations 129
Station search 129
Station selection setting 141
Radio transmitters, control and
operation 231
Range (distance to empty)
Calling up 145
Range of sensor
Rear Parking Assist* 180
Reading lamp 30
Rear axle differential lock
Switching on 159
Rear bench seat
Foldable 183
Rear door window
Blocking operation 78
Rear fog lamp
Replacing bulbs 342
Rear lamps see Tail lampsRear Parking Assist* 179, 384
Cleaning sensors 283
Malfunction 181
Monitoring reach 180
Warning indicators 181
Rear seat head restraints 102
Installing 103
Removing 103
Rear towing eye 359
Rear view mirror auto-dimming 160
Rear view mirrors see Mirrors
Rear window defroster 163
Activating 163
Deactivating 163
Rear window wiper/washer 54
Recommended inflation pressure 272
Reconnecting
Vehicle battery 353
Recovery services
For stolen vehicle 205
Refrigerant
Air conditioning 376
Refueling 235
Regular checks 236Remote controls
SmartKey 92
Remote door unlock
With Tele Aid 205
Removing
Cargo compartment cover 183
Wheel 349
Wiper blades 344
Replacing
Brake lamp bulbs 334
Bulbs 333
Front lamp bulbs 335
Rear lamp bulbs 334, 341
SmartKey batteries 331
Wiper blades 344
Resetting
All functions (control system) 132
All functions of a submenu 133
Fuel consumption 144
Maintenance service indicator 279
Trip odometer 121
Residual heat utilization 384
REST (Residual engine heat
utilization) 384