The HOLD function is deactivated inthefo llow‐
ing situations:
RAc tive Dis tance Assist DISTRONIC is acti va‐
te d.
RThe transmission is switched toposition j.
RThevehicle is secured with the electric park‐
ing brake.
In thefo llowing situations, theve hicle is held by
th e transmission position jorby the electric
parking brake:
RThe seat belt is unfas tened and the driver's
door is opened.
RThe engine is switched off.
RThere is a malfunction in the sy stem or the
po we r supply is insuf ficient.
AIR BODY CONT ROL
AIR BODY CONT ROL function
AIR BODY CONTROL is an air suspension sy stem
with variable damping for impr oved driving com‐
fo rt. The all-round le vel control sy stem ensures
th e best possible suspension and const ant
ground clearance, even wi tha laden vehicle.
When driving at speed, theve hicle is lo wered
automatically toimpr ovedriving saf etyand to re
duce fuel consum ption. The option of manually
adjusting theve hicle le vel is also available.
AIR BODY CONTROL comprises:
RAir suspension with automatic all-round le vel
control
RSpeed-dependent lo wering toreduce fuel
consum ption
RManually selecta ble high-level setting for
greater ground clearance
RADS PLUS (Adaptive Damping Sy stem with
const ant damping forc e adjustment)
RDY NA MIC SELECT switch and le vel button
Driving and parking 17
5
Available suspension settings
Drive prog ramC haracteristics
C (Sport)
B (Sport Plus)
RThe suspension tuning is firm er.
RWhen driving at speeds abo ve50 mph (70 km/h) theve hicle is lo wered.
RThe vehicle is not lo wered any fur ther if you are tra veling at higher speeds.
RWhen driving at speeds below 30 mph(4 8 km/h) theve hicle is raised again.
A (Comfort)
; (Econo my)
RThe suspension tuning is comfor table.
RWhen driving at speeds abo ve75 mph (120 km/h) theve hicle is lo wered.
RWhen driving at speeds abo ve100mp h (160 km/h) theve hicle continues tobe lo wered.
RWhen driving at speeds below 75mph(120 km/h) theve hicle is raised again.
Setting theve hicle le vel
&
WARNING Risk of accident because
ve hicle le vel is too high
If yo udriv e at a higher vehicle le vel,th e driv‐
ing characteristics may be impaired due to
th e higher vehicle center of gr avity.
The vehicle can drift outwards, forex ample,
when steering or cornering.
#Alw aysch oose a vehicle le vel which is
suited tothe driving style and thero ad
sur face conditions.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, people could
become trapped if their limbs are between
theve hicle body and the tires or underneath
th eve hicle.
#Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when you lo werth e
ve hicle.
17 6
Driving and pa rking
%If, af terth e car wash, youre mo vethewa x
from the windshield and wiper rubbers, this
will pr event smearing and reduce wiper
noise.
Information on using a high-pre ssure cleaner
&
WARNING Risk of accident when using
high-pressure cleaning equipment wi th
ro und-s pray nozzles
The wate r jet from a round-s pray nozzle (dirt
grinder) may cause damage totires and sus‐
pension components that is not visible.
Components damaged in this wa yma yfa il
unexpec tedly.
#Do not use high-pressure cleaning
equipment wi thround-s pray nozzles to
clean your vehicle.
#Damaged tires or suspension compo‐
nents must be replaced immediatel y.
Toavo id damage to yourvehicle, obser vethefo l‐
lowing when using a high-pressure cleaner:
RKe ep the SmartK eyat least 10ft(3 m) away
from theve hicle. Otherwise the trunk lid
could open unintentionall y.
RMaintain a distance of at least 11.8 in
(30 cm) totheve hicle.
RVe hicles with deco rative foil: parts of your
ve hicle are co vered with a decorative foil.
Maintain a dis tance of at least 27.6 in
(70 cm) between thefo il-c ove red parts of the
ve hicle and the nozzle of the high pressure
cleaner. Mo vethe high-pressure cleaner noz‐
zle around whilst cleaning.
RObser vethe information on the cor rect dis‐
ta nce in the equipment manufacturer's oper‐
ating instructions.
RDo not point the nozzle of the high-pressure
cleaner directly at sensitive parts such as
tires, the soft top, the wind deflector net, slits, electrical component parts, batteries,
light sources and
ventilation slot s.
Washing theve hicle byhand
Obser vethe legal requirements, e.g. in a number
of countries, washing byhand is only permitted
in specially designated wash ba ys.
#Use a mild cleaning agent, e.g. car shampoo.
#Wa shtheve hicle with luk ewarmwate r using
a soft car sponge. When doing so, do not
ex pose theve hicle todirect sunlight.
#Carefully hose theve hicle off with water and
dry using a chamois. Take care not topoint
th ewate r jet directly towa rdsth e air inlet
grille.
Maintenance and care 331
Observethefo llowing when selecting, ins talling
and replacing tires:
ROnly use tires and wheels of the same type
(summer tires, winter tires, MOEx tended
tires) and the same make.
ROnly ins tall wheels of the same size on one
axle (left and right).
It is only permissible toins tall a dif fere nt
wheel size in theeve nt of a flat tire in order
to drive tothe specialist workshop.
ROnly ins tall tires of the cor rect size onto the
wheels.
RVe hicles with a tire pressure monitoring
sy stem: all mounte d wheels must be equip‐
ped with functioning sensors forth e tire
pressure monitoring sy stem.
RAt temp eratures below 45 °F (7 °C), use win‐
te r tires or all-season tires mar ked M+S for
all wheels.
Wi nter tires bearing thei snowflake sym‐
bol in addition tothe M+S marking pr ovide
th e best possible grip in wintry road condi‐
tions.
RFo r M+S tires, only use tires with the same
tread.
RObser vethe maximum permissible speed for
th e M+S tires ins talled.
If th is is below theve hicle's maximum speed,
th is must be indicated in an appropriate label
in the driver's field of vision.
RRu n in new tires at moderate speeds forth e
fi rs t 60 miles (100 km).
RRe place the tires af ter six years at the latest,
re ga rdless of wear.
RWhen replacing with tires that do not fea‐
ture run-flat characteristics: vehicles with
MOExtended tires are not equipped with a
TIREFIT kit at thefa ctor y.Equip theve hicle
with a TIREFIT kit af terre placing with tires
th at do not feature run-flat characteristics,
e.g. winter tires.
Fo r more information on wheels and tires, con‐
ta ct a qualified specialist workshop.
Be sure toalso observ eth efo llowing fur ther
re lated subjects:
RNo tes on tire pressure (→page 363)
RTire and Loading Info rmation placard
(→page 369)
RTi re size designation, load-beari ng capacity,
speed rating and load ind ex(→page 376)
RTire pressure table (→page 364)
Note s onrotating wheels
&
WARNING Risk of injury thro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels if the
wheels or tires ha vediffere nt dimensions
may se verely impair the driving characteris‐
tics.
The wheel brakes or wheel suspension com‐
ponents may also be damaged.
#Ro tate front and rear wheels only ifth e
wheels and tires are of the same dimen‐
sions.
Wheels and tires 383
Seat belts
Warning/indicator lamp
Possible causes/consequences and MSolutions
7
Seat beltwarning lamp
lights up Af
terth e engine is star ted, there d seat belt warning lamp lights up for six seconds.
In addition, an acou stic wa rning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts.#Fa sten your seat belt.
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit.
7
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermitte ntwa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion.#Fa sten your seat belt.
There are objects on the front passenger seat.
#Re mo vethe objects from the front passenger seat.
Driving sy stems
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
à
Suspensionwarning lamp The
yellow AIR BODY CONTROL warning lamp is on.
AIR BODY CONTROL is faulty.#Obser vethe messages on the multifunction displa y.
456
Display messages and warning/indicator lamps
Active Steering Assist ............................ .168
Ac tivating/deactivating .......................1 69
Ac tive Emergency Stop Assist .............. 171
Ac tive Lane Change Assi st................... 170
Displ ays in the Instrument Display ...... .172
Fu nction .............................................. 168
Sy stem limitations .............................. .168
Ad aptive cruise control
see Active Dis tance Assist DISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 112
Switching on/off .................................. 113
Ad ditive s.................................................. 397
Engine oil ............................................. 397
Fu el ..................................................... 397
Ad ditive s (engine oil)
see Additives
Ad ditive s (fuel)
see Fuel
Ad dress book
see Contacts Ad
justing the balance/ fader
Burmes ter®high-end Sur round
sound sy stem ...................................... 322
Burmes ter
®sur round sound sy stem ... .321
Ad justing the bass, mid- range and
treble
Burmes ter
®high-end Sur round
sound sy stem ...................................... 321
Ad justing the mid- range, treble and
bass
Burmes ter
®high-end Sur round
sound sy stem ...................................... 321
Ad justing the sound focus
Burmes ter
®sur round sound sy stem .. ..3 21
Ad justing the sound optimization
Burmes ter
®high-end Sur round
sound sy stem ...................................... 322
Ad justing treble, mid- range and bass
settings
Burmes ter
®high-end Sur round
sound sy stem ...................................... 321
ADS PLUS damping sy stem
see AIR BODY CONTROL Af
ter-sales service center
see ASS YST PLUS
Air bag ........................................................ 40
Fr ont air bag .......................................... 40
Head air bag .......................................... 40
Ins tallation locations ............................ .40
Knee air bag .......................................... 40
Overview ............................................... 40
Pr otection ............................................. .41
Re duced pr otection .............................. .42
Side impact air bag ............................... 40
AIR BODY CONT ROL................................ 175
Setting ................................................. 176
Suspension .......................................... 175
Air dis tribution
Setting (multimedia sy stem) ............... .122
Air freshener sy stem
see Frag rance sy stem
Air pressure see Tire pressure
Air suspension see AIR BODY CONTROL
Index 465
Center console ...................................... 99
Door ...................................................... 99
Glasses compartment .........................1 00
Gl ove box .............................................. 99
Pa rcel net hooks ................................. .101
Re ar armrest ...................................... .100
Re ar seat backrest .............................. .101
Re ar-compartment cen ter armrest ...... 101
St ow age co mpartments
see Stow age compartment
St ow age space under the trunk floor ....103
Sulfur content ......................................... 396
Sun visor Operating ............................................ 120
Sur round lighting
Setting .................................................1 13
Sur round View
see 360° Camera
Suspension Adjusting thech assis le vel (AIR
BO DY CONTROL) .................................. 176
Suspension see AIR BODY CONTROL Switch-off delay time
Exterior ................................................ 113
Interior ................................................. 115
Switching the sur round sound on/off
Burmes ter
®sur round sound sy stem ... .321
Synchronization function Activating/deactivating (multimedia
sy stem) ................................................ 123
Sy stem settings
Language .. ...
....................................... .244
No tes on language selection ............... 244
Re set function (multimedia sy stem) ... .249
Setting the dis tance unit ..................... 244
Software upda te.................................. 247
Sy stem settings
see Multimedia sy stem
T
Ta nk capacity
Fu el ..................................................... 397
Re ser ve(fuel) ...................................... 397
Te ch nical data
Information .......................................... 391
Ti re pressure monitoring sy stem ......... 368 Ve
hicle identification plate .................. 393
Te lephone ........................................ .212,27 6
Ac tivating functions du ring a call ......... 281
Call and ringtone volume .................... .280
Calls with se veral participants ............ .281
Connecting a mobile phone (Near
Field Communication (NFC)) .............. .279
Connecting a mobile phone (Pass‐
ke y) ...................................................... 278
Connecting a mobile phone (Secure
Simple Pairing) .................................... 278
Disconnecting a mobile phone ............ 279
Importing contacts .............................. 283
Incoming call during an existing call .... 281
Information .......................................... 278
Menu (on-board computer) .................. 212
Mobile phone voice recognition .......... 280
No tes ................................................... 277
Operating modes ... .............................. 277
Re ception and transmission volume .... 280
Swit ching mobile phones .................... 279
Switching mobile phones (Near Field
Communication (NFC)) ........................ 279
Te lephone menu overview .................. .276
Te lephone operation ............................ 280
492
Index
7Seat beltwarning lamp flashes .. .456
7Seat belt warning lamp lights
up ........................................................ 456
àSuspension warning lamp .......... .456
hTi repressure monitoring sys‐
te m wa rning lamp flashes .................. .463
hTi repressure monitoring sys‐
te m wa rning lamp lights up ................ .462
!Ye llow elect ric park ing brake
indicator lamp is malfunctioning ........ .454
Wa rning/indicator lamps .................10,44 7
Instrument Display (o verview) .............. .10
Overview ............................................. 447
PA SSENGER AIR BAG ............................ 45
Wa rranty .................................................... 28
Wa sher fluid
see Windshield washer fluid
Wa shing byhand (care) .......................... 331
We ather information ............................... 276
We b br owser
Calling up a web page .........................2 97Calling up options
................................ 297
Calling up the settings ........................ .297
Del eting a bookmark .......................... .298
Deleting br owser data ........................ .298
Ending ................................................. 298
Ma
naging bookmark s .......................... 298
Overview ............................................. 297
Showing/hiding the menu .................. .297
We bsite
Calling up ............................................ 297
Showing/hiding thewe b br ows er
menu ................................................... 297
Wheel chock
see Chock
Wheel rotation ........................................ .383
Wheels Care .................................................... 336
Changing hub caps .............................. 385
Checking .............................................. 361
Checking the tire pressure (man‐
ually) ................................................... 365
Checking the tire pressure (tire pres‐
sure monitoring sy stem) ..................... .367
Definitions ........................................... 378 DO
T,Tire Identification Number (TIN) .. 374
Fitting .................................................. 388
Flat tire ................................................ 341
Load index ........................................... 376
Load-bearing capacity .........................3 76
Maximum tire load ...............................3 75
Maximum tire pressure ........................ 375
MOExtended tires ................................ 342
No ise .................................................. .361
No tes on ins talling .............................. .381
Overview of tire labeling ......................3 73
R
e moving ............................................ 388
Re placing .................................... .381, 385
Re starting the tire pressure monitor‐
ing sy stem .......................................... .368
Ro tating ............................................... 383
Selection .............................................3 81
Snow chains ........................................ 362
Speed rating ........................................ 376
St oring ................................................ 384
Te mp erature grade .............................. 373
Ti re and Loading Info rmation placard
............................................................ .369
Ti re characteristics .............................. 376
Ti re pressure (N otes) ........................... 363
498
Index