Page 129 of 348

ta
inin gthe speed is dependent on ther oad sur‐
fa ce conditions and thed ownhill gradient and
cann ottherefor ebeg uaranteed in all situations.
Yo uc an se tthe speed depending on theg ear
ra ng etob etwe en 2m ph (4 km/h) and 11mph
(1 8k m/h) using theb rake and accelerator pedals
or ther ockers witc hont hesteering wheel.
DSR automaticall ycont rols in thef ollowing situa‐
tions:
R Ifth ev ehicle is stationar y,or its speed is less
th an 2m ph (4 km/h) ,the speed is se tto
2m ph (4 km/h )oritissetto them inimum
speed fort he respectiv egear range.
R Ifyo ud rive fast erthan 11mp h(18 km/h) off-
ro ad, DS Rswitches tostandb ymode .DSR
remains acti vated, but does no tbrake auto‐
matically.
R Ifyo ud rive downhill slo werthan 11mph
(1 8k m/h), DSRs etst he speed tothep revi‐
ous lyse ts peed.
R Ifyo ud rive faster than 28 mph(45 km/h),
DSR switches of fautomaticall y. Ac
tivating/deactivatin gDSR Ac
tivatin gDSR Yo
uc an activat eDSRwhen thev ehicle is station‐
ar yorm oving. #
Press theu pper section of switch 1.#
Brak eora ccelerat ethe vehicle tothed esired
speed between 2mph (4 km/h) and 11mph
(1 8k m/h). #
Release theb rake or accelera torp edal.
The cur rent speed is stored. When stationar y,
2m ph (4 km/h) or them inimum possible
speed fore achg ear rang eiss tore d. DSR maintains
thes tore ds peed on thed ownhill
gradient and brakes automaticall y.
When DSR is activated and thev ehicle pulls
aw ay,a ccelerates or brakes on an incline, the
speed se tcorresponds tothes peed at whic hthe
accelera tororb rake pedal is released or the
rock er switc hispressed during DSR regulation.
This is onl ythe case if youa renotd rivin gfaster
th an 11mp h(18 km/h).
DSR status displa yinthe on-boar dcomputer
R DSR is activated:
- DSR andthes etspeed appear in thes ta‐
tus area of theo n-board computer.
R DSR is activated, but is no
tinter vening:
- Youa redrivin gbetwe en 11mph
(1 8k m/h) and 28 mph(45 km/h).
- DSR andthes peed 11mp h(18 km/h)
appear in thes tatus area of theo n-board
computer.
DSR is in standb ymode.
R DSR is inactive:
- Youa reexceeding aspeed of 28 mph
(45 km/h).
- DSR appear sinthestatus area of theo n-
boar dcomputer .Inaddition, theDSR Off
messag eappears.
- DSR ---appear sinthestatus area of the
on-boar dcomputer.
Setting thes peed while driving downhill
Yo uc an se tthe speed tobetween 2mph
(4 km/h) and, depending on theg ear range, up to
11 mp h(18 km/h) using theb rake and accelera‐
to rp edals or ther ockers witc hont hesteering
wheel. Driving and parking
127
Page 130 of 348

#
Brak eora ccelerat ethe vehicle tothed esired
speed on thed ownhill gradient. #
Release theb rake or accelera torp edal.
The cur rent speed is stored.
or #
Press rocker switch 1up or down during a
DSR regulation.
The las tsave dspeed is increased or reduced. #
Release rocker switch 1.
The cur rent speed is stored.
or #
Press rocker switch 1up or down until
desired speed is reached. #
Release rocker switch 1.
The cur rent speed is stored.
% It ma
ybeam oment befor ethe vehicle starts
to brak etot he se tspeed. Take this dela yinto
account when setting thes peed wit hrocker
switch 1.
Deactivating DSR #
Press theu pper section of switch 1.
or #
Accele rate and driv efastert han 28 mph
(45 km/h).
DSRd eactivates automaticall yinthefollowing
situations:
R Youd rive fast erthan 28 mph(45 km/h).
R There is amalfunction in theE SP®
or ABS
sy stem. Electronic le
velc ontrol Fu
nction of ENR (electronic le velc ontrol) &
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 thev ehicle is
being lo wered. &
WARNING Risk of inju ryfrom jac ktip‐
ping
If yo up arkav ehicle wit hair suspension, the
air suspension ma yremain acti vatedf or up to
one hour ,evenw hen thei gnition is switched
off. If yout hen raise thev ehicle wit hthe jac k,
th ea ir suspension will attem pttoadjus tthe
ve hicle le vel.
The jac kmaytip. #
Press theS ervice button on thea ir sus‐
pension remo tecontrol befor eraising
th ev ehicle.
This pr events au tomatic readjustment
of thev ehicle le vela nd pr events it from
being raised or lo weredm anually. &
WARNING Risk of accident du etolow‐
ered or raised chassis
Drivin gwithal oweredorr aised chassis may
greatl yimp air brakin gand handlin gcharac‐
te rist ics. Youm ayalso exceed thep ermissible
ve hicle height when thec hassi sisraised. #
Setthe driving le velb efor epulling away. &
WARNING Risk of accident from mal‐
function of electronic le velc ontrol
If elect ronic le velc ontrol is malfunctioning,
th ev ehicle le velm aybe asymmetrical, too
high or tool ow.
The driving and steering characteristic softhe
ve hicle ma ybenoticeabl ydiffe re nt. #
Adapty our driving stylea ccording lyand
driv ecarefull y. 12 8
Driving and pa rking
Page 131 of 348

#
Stop, paying attention toroad and traf‐
fi cc onditions. #
Consul taqualified specialis tworks hop. *
NO
TERisk of damag etothechassis from
lo we redv ehicle le vel If electronic le
velc ontrol is malfunctionin gor
re adjusts while youa redriving, thev ehicle
le ve lm aybe lo wered. #
Paya ttention tother oad conditions and
ensur ether eiss ufficient ground clear‐
ance. #
Driv ecarefully. The le
veloft hevehicle depends on vehicle load
and thel oad distribution. Elect ronic le velc ontrol
adjusts thel evel of ther ear axle automaticall yon
ve hicles wit hanair-sprung rear axle .The vehicle
le ve list hereb yalway sm aintained at thed riving
le ve l,re ga rdless of vehicle load. Driving dynamics
re main unaf fected. The height dif fere nce
between thes ides of thev ehicle ma ybeupto
0.4 in (1 cm).
Electronic le velc ontrol is no tengine-dependent
and is onl yoperational when thei gnition is
switched on. The electronic le velc ontrol com‐
pressor worksa udibl y.
% If
th ec ompressor worksc ons tantly or starts
up se veraltimes per minute, elect ronic le vel
control is malfunctioning.
Depending on thev ehicle equipment, electronic
le ve lc ontrol switches between manual and auto‐
matic mode depending on either thev ehicle
speed or thep osition of thep arking brake.
If electronic le velc ontrol switches depending on
ve hicle speed, manual operation is automatically
activated when thev ehicle is stationar y.Yo um ay
ra ise or lo werthe vehicle le vel. If yous ubse‐
qu ently drivefastert han 6mph (1 0km/h), man‐
ual mode is automaticall ydeactivated and auto‐
matic mode sets thev ehicle le vel.
If elect ronic le velc ontrol switches depending on
th ep arking brak eposition ,manual mode is auto‐
maticall yactivated when thep arking brak eis
applied. Youm ayraise or lo werthe vehicle le vel
to load and unload. If your elease thep arking
brake, manual mode is automaticall ydeactivated
and automatic mode sets thed riving le vel.
When working on thev ehicle or changing a
wheel, youc an deactivat eelectronic le velc ontrol
(/ page129). If electronic le
velc ontrol is malfunctionin gorthe
ve hicle le velist oo high or tool ow ,ana udible sig‐
nal sounds.
The drivin gand steering characteristic softhe
ve hicle will be noticeably dif fere nt. Electronic
le ve lc ontrol adjusts thev ehicle le veltot he nor‐
mal le velass oon as possible. Continue driving
carefull yuntil thea udible signal stops. Onl ythen
is thev ehicle at normal le vel.
Au tomatic mode and electronic le velc ontrol
automaticall yswitc hona gain to restor et he vehi‐
cle le vel, depending on theo ption selected:
R when thep arking brak eisreleased
R from speeds of appr oximatel y6mph
(1 0k m/h)
If th ee lectronic le velc ontrol compressor thre at‐
ens to ov erheat, e.g. due torepeated raising or
lo we ring wi thin as hor tperiod, elect ronic le vel
control is deactivated. Youc an raise or lo werthe
ve hicle le vela ga in af tera pproxima tely
one minu te. Ra
ising and lo weringthev ehicle le vel Cer
tain special equipmen tenables other opera‐
tion options:
R Ambulance: raising thev ehicle le vela bo ve
th ed riving le vel(cen terp osition) is no tpossi‐
ble. Only thel owest position and thed riving
le ve lc an be set.
R Speed signal: in order tooperat eelectronic
le ve lc ontrol, thep arking brak emustn otbe
applied. Elect ronic le velc ontrol can be oper‐
ated manuall yupto6.2mp h(10 km/h) .If
th is speed is exceeded, driving le velw ill be
se ta utomaticall y.
R Cas term odule, 30 min: electronic le velc on‐
trol can be opera tedupto30m in after
switching of fthe ignition.
Using ther emo tecontrol
The remo tecontrol is loca tedinah older on the
B‑pilla ronthe driver's side. Remo vether emo te
control from theh older befor euse. Driving and parking
12 9
Page 132 of 348

Electroni
cleve lcontrol starts automaticall yifthe
ignition is switched on. Operation is only possible
af te rt he parking brak ehas been applied.
Elect ronic le velc ontrol per form sas elf-chec kreg‐
ularly when it is activated and while in use. Indi‐
cator lamp 7onther emo tecontrol lights up for
about one second when yous wit ch on thei gni‐
tion.
Ther eisam alfunction if indicator lamp 7
beha vesint hefollowing ways:
R The indicator lam pdoes no tlight up when you
switc hont he ignition.
or
R The indicator lam pthen lights up again or
fl ashes.
In addition ,awarning tone is emitted from the
re mo tecontrol fora pproxima tely 30 seconds.
Th ef ault that has been de tected can be shown
using thei ndicator lamps (signaling of fault
codes). #
Park thev ehicle, leaving thei gnition switched
on. #
Appl ythe parking brake. #
Toraise or lo werthe vehicl elevel: press
and hold button 4or5 until thev ehicle
le ve lreaches ther equired height.
The indicator lam pinbutton 4or5 flashes
as lon gasthevehicle le velisb eing changed.
When thev ehicle le velh as been set, thei ndi‐
cator lam pinbutton 4or5 lights up. #
Tolowe rautomatical ly:brie flyp ress but ton
5 .
Electroni cleve lcontrol automaticall ylow ers
th ev ehicle tothen extlow er position:
R From theh ighes tposition todriving le vel
R From driving le veltot he lo west position
The indicator lam pinbutton 5flashes as
lon gast hevehicle le velisb eing changed. When
thev ehicle le velh as been set, thei ndi‐
cator lam pinbutton 5lights up.
% By pressing button
4during them ovement,
th eo riginal position will be reset. #
Toraise automaticall y:briefly press button
4.
Elect ronic le velc ontrol automaticall yraises
th ev ehicle tothen exth igher position:
R From thel owest position todriving le vel
R From driving le veltot he highes tposition
The indicator lam pinbutton 4flashes as
lon gast hevehicle le velisb eing changed.
When thev ehicle le velh as been set, thei ndi‐
cator lam pinbutton 4lights up.
% By pressing button
5during them ovement,
th eo riginal position will be reset. #
Toraise or lo werautomatical lyto driving
le ve l(center position): press and hold but‐
ton 6.
Electroni cleve lcontrol automaticall yraises or
lo we rsthev ehicle todriving le vel. #
Tosave thes etvehicl eleve l:se tthe
re qu ired vehicle le vel. #
Press and hold button 1or2 until youh ear
at one.
The vehicle le vels et has been sa vedonc orre‐
sponding button 1or2. #
Tocall up thes ave dvehicle le vel:briefly
press button 1or2.
Electronic le velc ontrol automaticall yraises or
lo we rsthev ehicle tothes ave ddriving le vel.
The indicator lam pinbutton 1or2 flashes
as lon gasthevehicle le velisb eing changed.
When thev ehicle le velh as been set, thei ndi‐
cator lam pinbutton 1or2 lights up.
% Service mode ma
yonlybea ctivated or deac‐
tivated at aqualified specialis tworks hop by
trained pe rsonnel. In service mode, thea ir
suspension sy stem is deactivated form ainte‐
nance or fault de tection. #
Toactivat eservic emode: press button 3.
Service mode is activ eand thei ndicator lamp
in button 3lights up continuousl y. #
Todeactivat eservic emode: press button
3.
Service mode is deactivated and thei ndicator
lam pinb utton 3goes out. 13 0
Driving and pa rking
Page 133 of 348

#
Toswitc hona utomaticall y:driv eato ver
6.2 mph(10 km/h) or release thep arking
brake.
Elect ronic le velc ontrol controls thev ehicle
le ve la utomaticall y.
Using theb uttonint he control panel #
Park thev ehicle, leaving thei gnition switched
on. #
Appl ythe parking brake. #
Toraise or lo werthe vehicl elevel: press
and hold button 1or2 until thev ehicle
le ve lreaches ther equired height. #
Tolowe rautomatical ly:brie flyp ress the
lo we rsection of switch 2.
Electronic le velc ontrol automaticall ylow ers
th ev ehicle tothen extlowe rposition:
R From theh ighes tposition todriving le vel
R From driving le veltot he lo west position
% By pressing button
1during them ovement,
th eo riginal position will be reset. #
Toraise automaticall y:briefly press the
lo we rsection of switch 1.
Electronic le velc ontrol automaticall yraises
th ev ehicle tothen exth igher position:
R From thel owest position todriving le vel
R From driving le veltot he highes tposition
% By pressing button
2during them ovement,
th eo riginal position will be reset. #
Toswitc hona utomaticall y:driv eato ver
6.2 mph(10 km/h) or release thep arking
brake.
Elect ronic le velc ontrol controls thev ehicle
le ve la utomaticall y. Using
theb uttonint herear comp artment #
Park thev ehicle, leaving thei gnition switched
on. #
Appl ythe parking brake. #
Toraise or lo werthe vehicl elevel: press
and hold button 1or2 until thev ehicle
le ve lreaches ther equired height. #
Tolowe rautomatical ly:brie flyp ress the
lo we rsection of switch 2.
Electronic le velc ontrol automaticall ylow ers
th ev ehicle tothen extlowe rposition:
R From theh ighes tposition todriving le vel
R From driving le veltot he lo west position
% By pressing button
1during them ovement,
th eo riginal position will be reset. #
Toraise automaticall y:briefly press the
lo we rsection of switch 1.
Electronic le velc ontrol automaticall yraises
th ev ehicle tothen exth igher position:
R From thel owest position todriving le vel
R From driving le veltot he highes tposition
% By pressing button
2during them ovement,
th eo riginal position will be reset. #
Toswitc hona utomaticall y:driv eato ver
6.2 mph(10 km/h) or release thep arking
brake.
Elect ronic le velc ontrol controls thev ehicle
le ve la utomaticall y. Driving and pa
rking 131
Page 134 of 348

Using electronic le
velc ontrol forc harging
with air in an emer gency *
NO
TEDama gedue topressur ebeing too
high If
th ep ressur eint he air suspension bello ws
is tooh igh, thec ompressed-air lines or thea ir
suspension bello wsmaybed amaged. #
Ensur eyou obser vethem aximum per‐
missible operating pressur eof900 kPa
(9 bar/130 psi). Onl
yfor vehicles wit hvalves fore lectronic le vel
control emergency charging. If electroni clevel
control is malfunctioning and thev ehicle is lean‐
ing, youc an raise or lo werthe vehicle bycon‐
necting an extern al compressed-air source toone
of thee mer gency valves (similar ly as withtire
va lve) .Ife lectronic le velc ontrol is no topera‐
tional, youc an driv eoncarefull ytothe nearest
qu alified specialis tworks hop and ha vethem al‐
function remedied. #
Apply thep arking brake. #
Vehicles with automatic transmission:
shif tthe transmission toposition 005D. #
Switc hoffthee ngine. #
Turn thev alvec ap of thec orresponding valve
(1 L=l eft,2R=r ight). #
Connec tthe extern al compressed-air source. #
Raise or lo werthe vehicle le velbyc harging or
re leasing compressed air until thed riving
le ve lh as been reached and thev ehicle is in a
horizontal position. While doing so, ensure
yo uo bse rvet he maximum permissible oper‐
ating pressur eof900 kP a(9bar/130 psi). #
Disconnec tthe extern al compressed-air
source. #
Tighten thev alvec ap on thev alve(1 L=
left, 2R=r ight). #
Driv eonc arefull ytothe neares tqualified
specialis tworks hop. 13 2
Driving and pa rking
Page 135 of 348

Problems with
thee lectronic le velc ontrol Problem
Possible causes/consequences and 0050 0050Solutions
Yo uc anno traise or lo wer
th ev ehicle le velw hen
st ationar y. The compressor is in danger of
overheating. Af terr epeatedly raising and
lo we ring thev ehicle, electronic le velc ontrol (pla yprotection )isdeactiva‐
te d. #
Trytos etthev ehicle le velm anuall yagain af tera pproxima tely
one minute.
Electri cleve lcontrol has been deactivated due tounde rvoltage. The bat‐
te ry ma ynotbe charging.
Handlin gand ride comfor tmaysuf fer. #
Startt he engine. #
Consult aqualified specialis tworks hop as soon as possible. Re
fueling Re
fueling thev ehicle &
WARNING Risk offire or explosion from
fuel
Fu els ar ehighly flammable. #
Fire, open flames ,smokin gand creation
of spar ksmus tbea voided. #
Swit chofft he ignition and, if available,
th es tationar yheater ,befor eand while
re fueling thev ehicle. &
WARNING Risk of inju ryfrom fuels
Fu els ar epoisonous and hazardous to your
health. #
Do no tswa llowf uel or le titcomeinto
con tact wi thskin, eyes or clo thing. #
Do no tinhale fuel vapor. #
Keep children away from fuel. #
Keep door sand windo wsclosed du ring
th er efueling process.
If yo uoro ther people come int ocontact with
fuel, obser vethef ollowing: #
Immediatel yrins efueloffyo ur skin with
soap and water. #
If fuel comes int ocontact wit hyour
ey es, immediatel yrins ethem thor‐
oughly wit hclean water.Seek medical
attentio nimmediately. #
Ifyo us wallowf uel, seek medical atten‐
tio nimmediatel y.Do no tinduce vomit‐
ing. #
Chang eimmediately out of clo thing that
has com eintoc ontact wi thfuel. &
WARNING Risk offire and explosion due
to electros tatic charge
Electros tatic charge can crea tespar ksand
th ereb yignit efuel vapors. #
Befor eyou open thef uel filler cap or
ta ke hold of thep um pn ozzle, touc ht he
me tallic vehicle body.
This dischar gesa ny electros tatic charge
th at ma yhave built up. #
Do no tget intot he vehicle again during
th er efueling process.
Otherwise, electros tatic charge can
buil dupa gain. &
WARNING Risk offire from fuel mixture
Ve hicles wit hadiesel engine:
If yo um ix diese lfuel wit hgasoline ,the flash
poin toft he fuel mixtur eislowerthan that of
pur ediese lfuel.
While thee ngine is running ,component pa rts
in thee xhau stsystem ma yoverheat without
wa rning. #
Neverrefuel using gasoline. #
Neverm ixga soline wit hdiesel fuel. Driving and parking
13 3
Page 136 of 348

*
NO
TEDo no tuse diese ltorefuel vehicles
wit hag asoline engine If
yo uh ave accidentally refueled wit hthe
wrong fuel:
R Do no tswit ch th eignition on. Otherwise
fuel can enter thee ngine.
Even small amounts of thew rong fuel
could result in damag etothe fuel sy stem
and thee ngine. The repair costs ar ehigh. #
Consult aqualified specialis tworks hop. #
Have thef uel tank and fue llin es drained
comple tely. *
NO
TEDo no tuse gasoline torefuel vehi‐
cles wit hadiesel engine If
yo uh ave accidentally refueled wit hthe
wrong fuel:
R Do no tswit ch th eignition on. Otherwise,
fuel can enter thef uel sy stem.
Even small amounts of thew rong fuel
could result in damag etothe fuel sy stem
and thee ngine. The repair costs ar ehigh. #
Consult aqualified specialis tworks hop. #
Have thef uel tank and fue llin es drained
comple tely. *
NO
TEDama getothef uel sy stem caused
by ove rfilled fuel tanks #
Only fill th ef uel tank unti lthe pump
nozzle switches off. *
NO
TEFuel ma yspray out when you
re mo vethef uel pum pnozzle #
Onlyfillthef uel tank unti lthe pump
nozzle switches off. *
NO
TEDama getopainted sur faces du eto
fuel #
Do no tspillany fuel on painted sur fa‐
ces. +
ENVI
RONMENTAL NOTEEnvironmental
damag eduetoimproper handlin goffuel If fuels ar
ehandled improperly ,the yp ose a
danger topersons and thee nvironment. #
Do no tallowf uels toruni ntot he sew‐
ag es ystem, thes urface wate rs,t he
ground waterorintot he ground. Re
quirements:
R The vehicle is unloc ked.
R The auxiliar yheating is deactivated.
R The ignition is switched off.
R The front left-hand door is open.
% Do no
tget back intot he vehicle during the
re fueling process. Otherwise, electros tatic
ch arge could buil dupagain.
Obser vethen otes on operating fluids
(/ page276). 1
Fuelfiller flap
2 Fuelfiller cap
% The fuel
filler flap is besid ethe front left-hand
door when vie wedint he direction of tr avel.
The position of thef uel filler cap 00D4is also
shown in theI nstrument Displa y.The ar row
on thef illing pum pspecifies thes ide of the
ve hicle. #
Open fuel filler flap 1. #
Turn fuel filler cap 2coun ter-clockwise and
re mo veit. #
Close all vehicle door stopreve nt fue lvapors
from entering thev ehicle interior. #
Comple tely slide thef iller nec kofthe pump
nozzle int othe tank ,h oo kinp lace and refuel. #
Fillthef uel tank only unti lthe pum pnozzle
switches off. 134
Driving and pa rking