Page 18 of 294

Radio-wave reception/transmis-
sion in the vehicleDeclaration of conformity ................ 27
Reading lamp ....................................... 94
Rear axle steering
Function/notes .............................1 08
Rear fog lamp
Display message ............................ 180
Switching on/off .............................. 92
Rear lamps
see Lights
Rear spoiler
Display message ............................ 190
Extending/retracting ..................... 226
Problem ......................................... 227
Rear view camera
Cleaning instructions ..................... 242
Function/notes .............................1 45
Switching on/off ........................... 146
Rear window defroster
Problem (malfunction) ................... 102
Switching on/off ........................... 102
Rear-view mirror
Anti-glare (manual) .......................... 86
Dipping (automatic) ......................... 88
Recycling
see Protection of the environment
Reflective safety jacket .................... 245
Refrigerant (air-conditioning sys-
tem)
Important safety notes .................. 288
Refueling
Fuel gauge ....................................... 34
Important safety notes .................. 120
Refueling process .......................... 121
see Fuel
Remote control
Garage door opener ....................... 228
Replacing bulbs
General notes .................................. 95
Reporting safety defects .................... 28
Rescue card ......................................... 29
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 183
Warning lamp ................................. 199 Restraint system
Display message ............................ 176
Introduction ..................................... 39
Warning lamp ................................. 198
Warning lamp (function) ................... 40
Reversing feature
Side windows ................................... 75
Reversing lamps (display mes-
sage) ................................................... 180
Roadside Assistance (breakdown) .... 26
Roll away protection
see HOLD function
Roller sunblind for the panorama
roof
Opening and closing ........................ 79
Ope rating ......................................... 79
Ro
of lining and carpets (cleaning
guidelines) ......................................... 244
Route guidance
see also Digital Operator's Man-
ual .................................................. 204
S
SafetyChildren in the vehicle ..................... 54
see Occupant safety
see Operating safety
Safety system
see Driving safety systems
SD card
Inserting/removing ........................ 212
SD memory card
see also Digital Operator's Man-
ual .................................................. 204
Selecting ........................................ 160
Search & Send
see also Digital Operator's Man-
ual .................................................. 204
Seat
Correct driver's seat position ........... 80
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 43
Cleaning ......................................... 244
Correct usage .................................. 42
Fastening ......................................... 43
Important safety guidelines ............. 41
16Index
Page 147 of 294

Problems with Parking Assist PARKTRONIC
ProblemPossible causes/consequences andMSolutions
Only the red segments in
the Parking Assist
PARKTRONIC warning
displays are lit. You also
hear a warning tone for
approximately two sec-
onds.
Parking Assist
PARKTRONIC is then
deactivated and the indi-
cator lamp on the
PARKTRONIC button
lights up.Parking Assist PARKTRONIC has malfunctioned and has been deacti-
vated.
XIf problems persist, have Parking Assist PARKTRONIC checked at a
qualified specialist workshop.
Only the red segments in
the Parking Assist
PARKTRONIC warning
displays are lit. Parking
Assist PARKTRONIC is
then deactivated.The Parking Assist PARKTRONIC sensors are dirty or there is inter-
ference.
XClean the Parking Assist PARKTRONIC sensors (Ypage 242).
XSwitch the ignition back on.
The problem may be caused by an external source of radio or ultra-
sound waves.
XCheck to see if Parking Assist PARKTRONIC works at a different
location.
Reversing camera
General notes
Rear view camera :is located in the rear
bumper, underneath the tailgate.
Rear view camera :is an optical parking and
maneuvering aid. It shows the area behind your
vehicle with guide lines in the multimedia sys-
tem display.
The area behind the vehicle is displayed as a
mirror image, as in the rear view mirror.
iThe text shown in the multimedia system
display depends on the language setting. The
following are examples of rear view camera
messages in the multimedia system display.
Important safety notes
The rear view camera is only an aid. It is not a
replacement for your attention to your immedi-
ate surroundings. You are always responsible
for safe maneuvering and parking. Make sure
that there are no persons, animals or objects
etc., in the maneuvering area while maneuvering
and parking in parking spaces.
The rear view camera will not function or will
function only to a limited extent if:
Rin heavy rain, snow or fog
Rat night or in very dark places
Rif the camera is exposed to very bright light
Rif the area is lit by fluorescent bulbs or LED
lighting (the display may flicker)
Rif there is a sudden change in temperature,
e.g. when driving into a heated garage in win- ter
Driving systems145
Driving and parking
Z
Page 182 of 294

Display messagesPossible causes/consequences andMSolutions
If thecondition sare no tfulfilled ,th esystem is no toperating correctly.
XVisit aqualified specialist workshop immediately.
Further information on th eOccupant Classification Syste m
(
Ypage 47).
Lights
Display messagesPossible causes/consequences and MSolutions
b
CheckLeftLowBeam(example)
The correspondin gbulb is faulty.
XVisit aqualified specialist workshop .
iLEDligh tsources: th edisplay message for th ecorrespondin g
lamp only appear swhen all th eLEDs in th elamp hav efailed.
b
Malfunction SeeOperator’ sManual
The exterio rlighting is faulty.
XVisit aqualified specialist workshop .
b
AutoLam pFunctionInoperative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch Off Lights
The lights are still switched on when you leav eth evehicle. Awarning
tone also sounds.
XTurn th eligh tswitch to th eà orL position .
Adaptive HighbeamAssist InoperativeAdaptive Highbea mAssis tis faulty.
XVisit aqualified specialist workshop .
Adaptive HighbeamAssist CurrentlyUnavailable SeeOperator'sManual
Adaptive Highbea mAssis tis deactivated and temporarily inoperative.
Possibl ecauses are:
RThe windshield in th ecamera' sfield of vision is dirty.
RVisibilit yis impaire ddue to heav yrain ,snow or fog .
XClean thewindshield.
If th esystem detects that th ecamera is full yoperational, th eAdap‐
tiv eHighbeamAssistNowAvailabledisplay message is shown.
Adaptive Highbea mAssis tis operational again .
180Display messages
On-board computer and displays