re
mains off, depending on there sult of the
classi fication.
- Ifth ePA SSENGER AIR BAG OFF indicator
lamp is off: mo vethe co-driver seat as far
back as possible, or the person of smaller
st ature should use a rear seat.
- Ifth ePA SSENGER AIR BAG OFF indicator
lamp is lit continuously: the person of
smaller stature should not use the co-
driver seat. &
WARNING Risk of injury or death when
th ePA SSENGER AIR BAG OFF indicator
lamp is lit
If th ePA SSENGER AIR BAG OFF indicator
lamp remains lit af terth e self-test, the front
passenger airbag is disabled.
If th e front passenger seat is occupied,
alw ays ensure that:
R The classification of the person in the
front passenger seat is cor rect and the
front passenger airbag is enabled or disa‐
bled in accordance with the person in the
front passenger seat.
R The person is seated properly with a cor‐
rectly fastened seat belt.
R The front passenger seat has been mo ved
as far back as possible. Be sure
toalso obse rveth efo llowing fur ther rela‐
te d subjects:
R Child restra int sy stem on the co-driver seat
(/ page 46).
R Suitable positioning of thech ild restra int sys‐
te m (/ page 40). PRE-SAFE
®
Sy stem Fu
nction of PRE-SAFE ®
(anticipatory occupant
pr otection) PRE-
SAFE®
can de tect cer tain hazardous situa‐
tions and take pre-em ptive measures toprotect
th eve hicle occupants.
PRE-SAFE ®
can implement thefo llowing meas‐
ures independently of each other:
R Tightening the seat belts on the driver's seat
and co-driver seat.
R Closing the side windo ws. R
Vehicles with a sliding sunroof: closingthe
sliding sunroof.
R Vehicles with memory function: adjusting
th e co-driver seat toa more favo urable seat
position.
* NO
TEDama gecaused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat posi‐
tion may result in damage tothe seat and/or
th e object. #
Stow objects in a suitable place. Re
versing the PRE- SAFE®
sy stem measures If an accident did not occur,
the pre-em ptive
measures that we retak en are reve rsed.
Yo u will need tomake cer tain adjustments your‐
self. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. Au
tomatic measures af ter an accident
Depending on the type and se verity of the acci‐
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemente d,for
ex ample:
R activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 233)
R switching off the engine
To restart theve hicle, switch the ignition off
and switch it back on (/ page136). Depend‐
ing on the type and se verity of the accident, it
may possible that theve hicle can no longer
be star ted.
R switching off the fuel supply
R unlocking theve hicle doors
R lowe ring the front side windo ws
R switching on the interior lighting 36
Occupant saf ety
If
yo uch ange wheel size on your vehicle, check it
is assigned tothe cor rect wheel size catego ry
( / page 258). If the assignment changes with‐
out recoding the cont rol units in theve hicle, the
speedome ter will not display the speed accu‐
ra tely. Driving saf ety sy stems and driving sy stems
may then be operationally impaired or may de tect
a malfunction and switch themselves off.
Yo u will find a table with there commended tyre
pressures forva rious vehicle loads on the inside
of theve hicle's fuel filler flap or under "Tyre pres‐
sure tables" (/ page 251).
Check tyre pressures regularly and only when the
tyres are cold.
Obser vethefo llowing no tes:
R alwaysfit th eve hicle with tyres of the same
size on a given axle (left/right)
R alwaysfit th e same type of wheels on your
ve hicle at a given time (summer tyres, winter
tyres)
Yo u can obtain information about tyres that ha ve
been specially designed and appr ovedfo ryo ur
ve hicle from a Mercedes-Benz Service Centre.
% Not all wheel/tyre combinations can be
fitted
at thefa ctory in all countries.
Ty res
R16 Ty
resS teel or light-alloy wheels
19 5/65 R16 C 100/98T 6.5 J x16H2 ET 52
19 5/65 R16 C 104/102T (100T) 6.5 J x16H2 ET 52
205/65 R16 C 107/105T (103T) 6.5 J x16H2 ET 52
205/65 R16 C 107/105T (103H) 6.5 J x16H2 ET 52
205/65 R16 C 103/1 01H6 .5 J x16H2 ET 52
225/60 R16 C 105/103H 6.5 J x16H2 ET 52 19
5/65 R16 C 100/98T: only forve hicles with a
gross vehicle weight up to2,800 kg.
R17 Ty
resS teel wheels
225/55 R17 C 109/1 07H (104H) 6.5 J x17H2 ET 50
225/55 R17 C 104/102H (106N) 6.5 J x17H2 ET 50 262
Wheels and tyres
Re
ar seat
Ad justing the seat backres t.................. 82
EAS Y-ENTRY easy entry and exit
fe atur e.................................................. 81
Fo lding forw ards and backwards.......... 83
In stalling and removing........................ 84
Moving................................................. 82
Re ar seats
No tes....................................................74
Seat anchorage.................................... 74
Seating variants................................... .74
Re ar window
Sepa rately opening and closing............ 60
Re ar window wiper
Re placing............................................ 11 8
Switching on/of f................................. 11 6
Re cycling
see Take -ba ckof end-of-life vehi‐
cles (environmental pr otection)
Re ducing agent
see AdBlue ®
Re frigerant (air conditioning)
No tes.................................................. 275
Re frigerator box
Switching on and off.......................... 104
Re fuel
To pping up AdBlue ®
........................... 14 9
Re fuelling
Displaying theAd Blue ®
leve l.............. 14 9
Re fuelling theve hicle.......................... 147
Re gistration
Ve hicle................................................. 22
Re gulating headlamp range .................. 106
Re mo tecont rol (stationa ryheat‐
ing/ventilation)
Displ ays.............................................. 12 9
Re placing the battery.................1 29,13 3
Setting........................................ 128, 13 2
Re placing a wheel
Fitting a new wheel............................. 261
Re placing bulbs
Ta il lamp types.................................... 11 3
Ta il lamps............................................ 11 3
Re placing light sources
Daytime running lights........................ 11 2
Fitting/removing co ver (front
wheel ar ch)......................................... 11 2
High beam.......................................... 11 2
Low beam........................................... 11 2
Re ar and load compartment lamps.... .115 St
anding/parking lights..................... .112
Sur round lighting................................ 11 5
Tu rn signal light...................................1 12
Re scue card.............................................. 24
Re set function (MBUX multimedia
sy stem)................................................... 200
Re set function (MBUX multimedia
sy stem)
see Reset function (MBUX multi‐
media sy stem)
Re setting (factory setting)
see Reset function (MBUX multi‐
media sy stem)
Re setting the trip compu ter.................. 184
Re sidual heat utilisation
Switching on/off................................1 25
Restra int system
Basic instructions forch ildren.............. 37
Fu nction in an accident........................ 27
Fu nctionality......................................... 27
Malfunction.......................................... 27
Pr otection impaired.............................. 27
Pr otection pr ovided.............................. 27
Self-test................................................ 27
Wa rning lamps...................................... 27
Rest ricting the shift range.................... 14 3
Re versing camera
Care.................................................. .229
Fu nction............................................. 167
Opening the camera co ver (360°
Camera)............................................. 16 9
Ro llaw ay protection
see HOLD function
Ro ller sunblind
Pa norama sliding sunroof.................... .65
Ro of car rier
see Roof luggage rack
Ro of lining (care) .................................... 230
Ro of luggage rack.................................. 278
Ro ute
Calculating......................................... 203
Selecting options............................... 203
Ru nning-in no tes.................................... 13 6 S
Saf ety sy stems
see Driving saf ety sy stem
Saf etyve st.............................................. 232 Index
323