Page 169 of 446

Assistanc ewhen changing lane sisprovide difa ll
th ef ollowing condition sareme t:
RYoua redrivin gonah ighwayorhigh-speed
multi-lan emajor road wit hmultiple lane sin
th ed irection of tr avel.
RThe neighboring lane is free and separated
byab roke nl ane marking.
RThe driven speedisb etwe en 45 mph
(7 5k m/h) and 110m ph (180 km/h).
RThe tur nsigna lindicator is switched on for
longer than tw oseconds.
Ste ering and contact de tection
St eering Pilo trequires youast he driver ,tokeep
yo ur hands onthes teering wheel at all times so
th at youa reable tointer vene at an ytime tocor‐
re ct thec ourse of thev ehicle and keep it in lane.
The driver mus texpect achang efroma ctiveto
passiv emode or vice versaata nytime.Ifyo ua renots teering yourself or ifyo ut ake
yo ur hands offt he steering wheel forap ro‐
longed period of time, thes ystemw ill, depend‐
ing on thes ituation ,first aler tyou wit havisual
wa rning. 1appear sinthe multifunction displa y.
If yo ua restill no tsteering thev ehicle yourself or
if yo uh ave nottaken hold of thes teering wheel,
aw arning tone sounds in additio ntothewarning
messag etoremind youtot akec ontrol of the
ve hicle.
The warning messag edoes no tappear or disap‐
pear sifo ne of thef ollowing condition sareme t:
RThe driver steer sthe vehicle.
RThe driver presses asteering wheel button or
operates Touc hC ontrol.
Ac tiv eE me rgency Stop Assist
If th ed rive rc ontinues toigno rethea coustic
wa rning, Dis tance Pilo tDISTRONIC reduces the
speed. If thed rive rs tilld oes no trespond, the
ve hicle is decelerated in stages toas tandstill.
The driver can cancel thed eceleration at any
time byper form ing one of thef ollowing actions:
RSteering
RBraking or accelerating
RPressing asteering wheel button or operat‐
ing Touc hC ontrol
RActivating or deacti vating Steering Pilo tor
Dis tance Pilo tDISTRONIC
The driver must beready totake control of the
ve hicle at an ytime.
Ac tivatin gSteering Pilot
Requ irements
RESP®mustbes witched on, but no tinter ven‐
ing.
Driving and pa rking 16
7
Page 170 of 446

RDistance Pilo tDISTRONIC must be activated.
#If indicator lamp 1is off: press button 2.
HOLD function
HOLD function
The HOLD function holds thev ehicle at astand‐
st ill without requ iring youtod epress theb rake pedal, suc
haswhen pulling away on steep
slopes.
Sy stem borders
The incline mus tnotbe grea tert han 30%.
Ac tivating/deactivatin gthe HOL Dfunction
&
WARNING Risk of an accident duetot he
HOLD function being acti vewhe nyou
lea vethev ehicle
If yo ul eave thev ehicle while onl ythe HOLD
function is braking thev ehicle, thev ehicle
can rollaw ay inthef ollowing situations:
RIfth er eisam alfunction in thes ystemo r
in thep owe rsupp ly.
RIf th eH OLD function is deactivated by
depressing thea ccelera torp edalort he
brak epedal, e.g. byavehicle occupant.
RIfth ee lectrics in thee ngine compart‐
ment ,the batter yorthe fuses ar etam‐
pered with.
RIf th eb atter yisd isconnected.
#Alwaysd eactivat ethe HOLD function
and secur ethe vehicle agains trolling
aw ay befor eleaving thev ehicle.
* NO
TEDama gefrom au tomatic braking
IfAc tiveB rake Assi st,D ista nce Pilot
DISTRONIC or theH OLD function is activa‐
te d, thev ehicle brakes automatically in cer‐
ta in situations.
To avo id damag etothevehicle, deactivate
th ese sy stems in thef ollowing or simila rsit‐
uations:
#During towing
#In ac arwa sh
PrerequisitesRThe vehicle is stationar y.
RThe engine is running or hasb eena utomati‐
cally switched of fbythe EC Ostart/s top
function.
RThe electric parking brak eisreleased.
RDistance Pilo tDISTRONIC is no tactivated.
16 8
Driving and pa rking
Page 171 of 446

RVehicles with automatic transmission:
The transmission is in position h,kori.
Ac tivatin gthe HOL Dfunction
#Dep ress theb rake pedal and af teras hort
time depress fur ther until theë display
appear sinthe multifunction displa y.
#Release theb rake pedal.
Deactivating the HOLD function
#Depress thea ccelerator pedal topull away.
or
#Depress theb rake pedal until theë dis‐
pla yd isappear sfromt he multifunction dis‐
pla y.
In thef ollowing situations, thev ehicle is held by
th et ransmission position jorby thee lectric
parking brake:
RWhen thes eat belt is unfas tened and the
driver's door is opened.
RWhen thee ngine is switched off.
RWhen ther eisam alfunction in thes ystemo r
if th ep owe rsupp lyis insuf ficient.
Ad aptiv eDamping Sy stem
The suspension wit hadaptiv edamping adjust‐
menth asthef ollowing features:
RVa riable dampingc haracteristics
RContinuous damper tuning
The damping characteristic sadap ttot he cur rent
operating and driving situation.
The da mping is tuned individually fore achw heel
and is af fected bythef ollowing factors:
RYo ur drivin gstyle ,e.g. sporty
RThe road sur face conditions
RThe driv eprogram selected
RVe hicle load The driv
eprogram can be adjus tedu sing the
DY NA MIC SELECT switch.
AIR BODY CONT ROL
AIR BODY CONT ROLfunction
AI RB ODYC ONTROL comprises:
RAir suspension wit hvariable spring rate
RAu tomatic le velc ontrol sy stem
RSpeed-dependent lo wering toreduce fuel
consum ption
RManual le vela djustment
RAD SP LUS( Adaptiv eDamping Sy stem with
const ant dampingf orce adjustment)
RDYNA MIC SELECT switc hand le velb utton
Drivinga nd parking 16
9
Page 172 of 446
Available suspension settings
Driv eprogram Characteristics
C
(Comfort)
RComfor table suspension tuning
RNormal le vel
RWhen driving at speeds abo ve77 mph(125k m/h) thev ehicle is lo weredb y0.6 in (1 5mm).
RWhen driving at speeds below 49mph(80 km/h), thev ehicle is raised again.
E
(Econo my)
RComfor table suspension tuning
RThe vehicle is lo weredb y0.6 in (1 5mm) compared tothen ormal le vel.
S
(Sport)
RFirmer suspension tuning
RThe vehicle is lo weredb y0.6 in (1 5mm) compared tothen ormal le vel.
RThe vehicle is no tlowe reda nyfurther if youa retra veling at higher speeds.
S+
(Spor tPlus)
REven firm er suspension tuning
RThe vehicle is lo weredb y0.6 in (1 5mm) compared tothen ormal le vel.
RThe vehicle is no tlowe reda nyfurther if youa retra veling at higher speeds.
17 0
Driving and pa rking
Page 173 of 446

Settingthev ehicle le vel
&
WARNING Risk of accident because
ve hicle le velist oo high
If yo ud rive atah igher vehicle le vel,th ed riv‐
ing characteristic smaybe impaired due to
th eh igher vehicle center of gr avity.
The vehicle ma ytipove rmoreq uickl yona
bend, fore xamp le.
#Alw ayss elect as lo wavehicle le vela s
possible and adap tyour driving style
accordingl y.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Whe nlowe ring thev ehicle, people could
become trapped if their limbs ar ebetwe en
th ev ehicle body and thet ires or underneath
th ev ehicle.
#Mak esurenoo ne is underneat hthe
ve hicle or in thei mmediat evicinit yof
th ew heel ar ches when youl owe rthe
ve hicle.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AI RBODYC ONT ROLo r
le ve lc ontrol sy stem: When youu nload lug‐
ga ge or lea vethev ehicle, thev ehicle firs t
ri ses slightly and then returns tothes etleve l
shortl yafter wa rds.
Yo uora nyone else in thev icinit yoft he
whee larches or theu nderbody could thus
become trapped.
The vehicle can also be lo wereda fter being
loc ked.
#When leaving thev ehicle, mak esure
th at nobody is in thev icinit yoft he
whee larches or theu nderbody.
PrerequisitesRThe vehicle's engine mus tbeswitched on.
RThevehicle mus tnotbe moving fasterthan
49 mph(80 km/h). Ra
ising thev ehicle
#Press but ton1.
Indica torlamp 2lights up.
RVehicles without 4MATIC: Thevehicle is
ra ised by0.9 in (25 mm) compared tothe
normall evel.
Drivinga nd parking 17
1
Page 174 of 446

RVehicles with 4MATIC: Thevehicle is
ra ised by1.3i n( 35 mm) compared tothe
normall evel.
Yo ur selection issave d.
The vehicle is lo wereda gain in thef ollowing sit‐
uations:
RYo ua redrivin gfastert han 49 mph
(80 km/h).
RYo ua redrivin gbetwe en 37 mph(60 km/h)
and 49 mph(80 km/h )for appr oxima tely
th re em inutes.
RYous elect adrive prog ramu sing the
DY NA MIC SELECT switch.
The vehicle is adjus tedtot he height of thel ast
activ edrive program.
Lo weri ngthev ehicle
#Press but ton1.
Indicator lamp 2goes out. The vehicle is
adjus tedtot he height of thel asta ctiv edrive
program.
PA RKTRONIC
Functions of PARKTRONIC
PARKTRONI Cisanelectronic parkin gassistance
sy stem wit hultrasonic sensors. It monitor sthe
area around your vehicle using six sensors 1in
th ef ront bumper and six sensor sintherear
bumper .PARKTRONIC indicates visually and
audibly thed ista nce betwee nyour vehicle and
an object.
PA RKTRONI Ciso nly an aid. It is no tasubstitute
fo ry our attention tothei mmediat esurround‐
ings. The responsibility fors afem aneu vering and
pa rking remains wit hyou. Mak esuret hat there ar
enop ersons, animals or objects in range
whil emaneu vering and pa rking.
In thes tandar dsetting ,ani ntermitte ntwa rning
to ne sounds beginning at adista nc eof1 .0ft
(0.3 m) toan obs tacle .Ac ontinuoust one
sounds beginning at adista nc eof0 .7ft(0.2 m).
Yo uc an se tthe warning tone in them ultimedia
sy stem so that it will sounde arlier atgreaterd is‐
ta nces (3.3 ft(1.0 m)) (
→pag e174).
If PA RKTRONI Cisdeactivated, Parking Pilo tis
una vailable.
PA RKTRONICd isplayinthem ultimedia sys‐
te m
If Pa rking Pilo tisdeactivated and an obs tacle is
de tected in thep athoft hevehicle, apop-up win‐
do wf orPARKTRONI C1 appear sinthe multi‐
media sy stem at speeds up to6m ph (1 0km/h).
Ve hicles with Parking Pilo tand rear vie w
c
amera:
17 2
Driving and pa rking
Page 175 of 446

Vehicles with Parking Pilo tand 360° Cam‐
era:
Sy stem limitations
PA RKTRONI Cdoes no ttak ei ntoa ccount thef ol‐
lowing obs tacles:
RObs tacle sb elow th edetection range, e.g.
pe rsons, animals or objects.
RObs tacle sabove thed etection range, e.g.
ove rhanging loads, overhang sorl oading
ra mp soft ruck s.
The sensor smustbef reeofd irt, ice and slush.
Otherwise, they ma ynotfunction cor rectl y.
Clean thes ensor sregular ly,t aking ca renotto
scratc hordamagethem.
Ve hicles with traile rhitch: PARKTRONI Cis
deacti vatedf or ther ear zone when youe stablish
an elect rical connection between your vehicle
and atrailer.
Deactivating/activating PARKTRONIC
* NO
TERisk of an accident from objects
at close range
PA RKTRONI Cmaynotd etect cer tain objects
at close range.
#Whe nparkin gthe vehicle, pa yparticular
attention toanyo bject swhicha re
abo veor belo wthe sensors, e.g. flowe r‐
pots or dr awbars. The vehicle or other
objectsc ouldotherwise be damaged.
Mak esuret hat ther ea reno persons, animals or
objects in rang ew hile maneu vering and pa rking.
If indicator lamp 1is no tlit, PA RKTRONI Cis
active.
Drivin gand parkin g17
3
Page 176 of 446

#Press button2.
% Dependin gonthevehicle's equipment, the
button ma yalso be located in thec enter
console.
% PARKTRONI Cisa utomatical lyactivated
when thev ehicle is star ted. Ad
justin gthe PARKTRONICw arningtones
Multimedia sy stem:
,Vehicle.k Assistance.Cam. &
Parkin gPilot.Set Warning Tones
Ad justin gthe volumeoft hewarning tones
#Select Warning Tone Volume.
#Adjus tthe value.
Specifying thes tarting point fort he warning
to nes
Yo uc an specify whe ther theP ARKTRONIC warn‐
ing tones shoul dcommence when thev ehicle is
fur ther aw ay from an obs tacle.
#Select Warn Early.
#Activate Oor deacti vate ª thef unction.
Ac tivating/deactivatin gaudiof adeout
Yo uc an specify whe ther thev olume of amedia
source in them ultimedia sy stem is tobe
re duced when PARKTRONI Cgives an audible
wa rning.
#Select Audio Fadeout Durin gWarning Tones.
#Activate Oor deacti vate ª thef unction.
Re versing camera
Fu nction of ther ear vi ewcamera
When youe ngager eve rseg ear ,the imag efrom
re ar vie wcamera 1is shown in them ultimedia
sy stem. Dynamic guide lines sho wthe pat hthe
ve hicle will take wit hthe steering wheel in its
cur rent position. Thi shelps youtoo rientate
17 4
Driving and pa rking