Page 568 of 705

567 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Park Assist
inoperative
Park Assist* is unavailable due to a mal-
function.
Visit an authorized Mercedes-Benz Center as soon as possible.
PRE-SAFE
inoperative
See Owner's Manual
PRE-SAFE
® itself has failed. All other occu-
pant safety systems, such as the air bags,
are still available.
Visit an authorized Mercedes-Benz Center as soon as possible.
Check tires
then restart
Run Flat Indicator
There was a warning message about a loss
in tire inflation pressure and the Run Flat In-
dicator* has not been restarted yet.
Check and adjust tire inflation pressure as required
(page 514).
Then restart the Run Flat Indicator* (
page 515).
Radar sensor
deactivated
See Oper. Manual
You attempt to activate DISTRONIC Plus*
or Park Assist* even though you have
switched off the radar sensors* on the vehi-
cle.
Check if the radar sensors* may be switched on (
page 256).
Switch on the radar sensors* using the instrument cluster
control system.
Run Flat Indicator
inoperative
The Run Flat Indicator* is malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as possible.
Service X
due
Service X must be carried out (
page 532).
Have the maintenance service carried out by an authorized
Mercedes-Benz Center.
Service X exceeded
by X days
by XXX mls (km)
Service X must be carried within the next ...
or before you have driven ... miles (kilome-
ters) (
page 532).
Have the maintenance service carried out by an authorized
Mercedes-Benz Center as soon as possible.
Shift to P or N
to start engine
You have attempted to start the engine
while the automatic transmission was set to
position R or D.
Shift the automatic transmission to P or N (
page 367).
Page 570 of 705

569 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Tire pressure monitor
currently unavailable
The Advanced TPMS* is unable to monitor
the tire inflation pressure due to:
a nearby radio interference source
the on-board voltage is too low
excessive wheel sensor temperatures
As soon as the causes for the malfunction are no longer present,
the Advanced TPMS* automatically becomes active again after
a few minutes driving.
Tire pressures
displayed after driving
a few minutes
Vehicles with Advanced TPMS*:
The tire inflation pressure is being checked.
Drive the vehicle for a few minutes.
Visit workshop
without shifting gears
The automatic transmission cannot be shift-
ed out of the set position because of a mal-
function.
If the automatic transmission is shift to positionD:
Without changing the automatic transmission from
positionD, drive to an authorized Mercedes-Benz Center.
If the automatic transmission is shift to positionN, R or P:
Do not drive.
Consult an authorized Mercedes-Benz Center.
Page 693 of 705

692 IndexOccupant safety 44
Air bags 45
Children and air bags 61
Children in the vehicle 61
Fastening the seat belt 339
Front passenger front air bag off indica-
tor lamp 53
Infant and child restraint systems 62
LATCH-type child seat anchors 65
Seat belts 47, 339
OCS 50
Self-test 54
Odometer 245
Oil
Filler neck 497
Oil level see Engine oil
One-touch gearshifting 375
Operating safety 19
Voice Control* 257
Ornamental moldings, Cleaning 537
Outside temperature indicator 29, 379
Overdue maintenance service 533
Overhead control panel 37
Override switch 67
Overspeed range, Engine 675P
Paintwork, Cleaning 535
Panic alarm
Audible alarm and flashing exterior
lamps 68
Panic button 68
Panorama roof with power tilt/sliding
panel* 443
Opening/closing 444
Opening/closing in an
emergency 617
Synchronizing 446
Panorama roof with tilt/sliding panel*
Cleaning 541
Parcel net in front passenger
footwell 449
Park Assist* 409
Messages in display 566
Warning indicators 411
Parking 363, 481
Parking and standing lamps
Replacing bulbs 622
Parking brake
mechanically releasing 616
Messages in display 576Parking lamps
Messages in display 599
Parking position
Exterior rear view mirrors 335
Parktronic system* 405
Parktronic*
Cleaning system sensors 538
Malfunctioning 408
System sensors 538
Warning indicators 407
Parts service 650
Passenger compartment 486
Passenger safety see Occupant safety
PCMCIA card
Ejecting (COMAND) 109
Loading (COMAND) 108
Pedals 479
Plastic and rubber parts, Cleaning 541
POIs 177
Poly-V-belt drive 653, 676
Layout 653
Potential problems associated with under-
inflated and overinflated tires 517
Power assistance 479
Power closing assist for doors and trunk
lid 313