#
Brake or accelerate theve hicle tothe desired
speed on the downhill gradient. #
Release the brake or accelera tor pedal.
The cur rent speed is stored.
or #
Press rocker switch 1up or down during a
DSR regulation.
The last sa ved speed 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 may be a moment before
theve hicle starts
to brake tothe set speed. Take this delay into
account when setting the speed with rock er
switch 1.
Deactivating DSR #
Press the upper section of switch 1.
or #
Accele rate and drive fasterthan 28 mph
(45 km/h).
DSR deactivates automatically in thefo llowing
situations:
R You drive fasterthan 28 mph (4 5 km/h).
R There is a malfunction in the ESP ®
or ABS
sy stem. Electronic le
vel control Fu
nction of ENR (electronic le vel control) &
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, people could
become trapped if their limbs are between
th eve 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 theve hicle is
being lo wered. &
WARNING Risk of inju ryfrom jack tip‐
ping
If yo u park a vehicle with air suspension, the
air suspension may remain activated for up to
one hour, even when the ignition is switched
off. If youth en raise theve hicle with the jac k,
th e air suspension will attem pttoadjust the
ve hicle le vel.
The jack may tip. #
Press the Service button on the air sus‐
pension remo tecontrol before raising
th eve hicle.
This pr events au tomatic readjustment
of theve hicle le vel and pr events it from
being raised or lo wered manually. &
WARNING Risk of accident due tolow‐
ered or raised chassis
Driving with a lo wered or raised chassis may
greatly impair braking and handling charac‐
te rist ics. You may also exceed the permissible
ve hicle height when thech assis is raised. #
Set the driving le vel before pulling away. &
WARNING Risk of accident from mal‐
function of electronic le vel control
If elect ronic le vel control is malfunctioning,
th eve hicle le vel may be asymmetrical, too
high or too lo w.
The driving and steering characteristics of the
ve hicle may be noticeably dif fere nt. #
Adapt your driving style according lyand
drive carefull y. 12 8
Driving and pa rking
#
Stop, paying attention toroad and traf‐
fi c conditions. #
Consult a qualified specialist workshop. *
NO
TERisk of damage tothech assis from
lo we redve hicle le vel If electronic le
vel control is malfunctioning or
re adjusts while you are driving, theve hicle
le ve l may be lo wered. #
Pay attention tothero ad conditions and
ensure there is suf ficient ground clear‐
ance. #
Drive carefully. The le
vel of theve hicle depends on vehicle load
and the load distribution. Elect ronic le vel control
adjusts the le vel of there ar axle automatically on
ve hicles with an air-sprung rear axle. The vehicle
le ve l is thereby alw ays maintained at the driving
le ve l,re ga rdless of vehicle load. Driving dynamics
re main unaf fected. The height dif fere nce
between the sides of theve hicle may be up to
0.4 in (1 cm).
Electronic le vel control is not engine-dependent
and is only operational when the ignition is
switched on. The electronic le vel control com‐
pressor works audibl y.
% If
th e compressor works cons tantly or starts
up se veral times per minute, elect ronic le vel
control is malfunctioning.
Depending on theve hicle equipment, electronic
le ve l control switches between manual and auto‐
matic mode depending on either theve hicle
speed or the position of the parking brake.
If electronic le vel control switches depending on
ve hicle speed, manual operation is automatically
activated when theve hicle is stationar y.Yo u may
ra ise or lo werth eve hicle le vel. If you subse‐
qu ently drive faster than 6 mph (10 km/h), man‐
ual mode is automatically deactivated and auto‐
matic mode sets theve hicle le vel.
If elect ronic le vel control switches depending on
th e parking brake position, manual mode is auto‐
matically activated when the parking brake is
applied. You may raise or lo werth eve hicle le vel
to load and unload. If youre lease the parking
brake, manual mode is automatically deactivated
and automatic mode sets the driving le vel.
When working on theve hicle or changing a
wheel, you can deactivate electronic le vel control
(/ page 129). If electronic le
vel control is malfunctioning or the
ve hicle le vel is too high or too lo w,an audible sig‐
nal sounds.
The driving and steering characteristics of the
ve hicle will be noticeably dif fere nt. Electronic
le ve l control adjusts theve hicle le velto the nor‐
mal le vel as soon as possible. Continue driving
carefully until the audible signal stops. Only then
is theve hicle at normal le vel.
Au tomatic mode and electronic le vel control
automatically switch on again torestore theve hi‐
cle le vel, depending on the option selected:
R when the parking brake is released
R from speeds of appr oximately 6 mph
(10 km/h)
If th e electronic le vel control compressor thre at‐
ens to ov erheat, e.g. due torepeated raising or
lo we ring wi thin a short period, elect ronic le vel
control is deactivated. You can raise or lo werthe
ve hicle le vel again af ter appro ximately
one minu te. Ra
ising and lo weringtheve hicle le vel Cer
tain special equipment enables other opera‐
tion options:
R Ambulance: raising theve hicle le vel abo ve
th e driving le vel (cen ter position) is not possi‐
ble. Only the lo west position and the driving
le ve l can be set.
R Speed signal: in order tooperate electronic
le ve l control, the parking brake must not be
applied. Elect ronic le vel control can be oper‐
ated manually up to6.2 mph (1 0 km/h). If
th is speed is exceeded, driving le vel will be
set automaticall y.
R Cas ter module, 30 min: electronic le vel con‐
trol can be opera ted up to30 min af ter
switching off the ignition.
Using there mo tecontrol
The remo tecontrol is loca ted in a holder on the
B‑pillar on the driver's side. Remo vethere mo te
control from the holder before use. Driving and parking
12 9
Electronic le
vel control starts automatically if the
ignition is switched on. Operation is only possible
af te rth e parking brake has been applied.
Elect ronic le vel control per form s a self-check reg‐
ularly when it is activated and while in use. Indi‐
cator lamp 7onthere mo tecontrol lights up for
about one second when you swit chon the igni‐
tion.
There is a malfunction if indicator lamp 7
beha ves in thefo llowing ways:
R The indicator lamp does not light up when you
switch on the ignition.
or
R The indicator lamp then lights up again or
fl ashes.
In addition, a warning tone is emitted from the
re mo tecontrol for appro ximately 30 seconds.
The fault that has been de tected can be shown
using the indicator lamps (signaling of fault
codes). #
Park theve hicle, leaving the ignition switched
on. #
Apply the parking brake. #
Toraise or lo wer the vehicle le vel:press
and hold button 4or5 until theve hicle
le ve lre aches therequ ired height.
The indicator lamp in button 4or5 flashes
as long as theve hicle le vel is being changed.
When theve hicle le vel has been set, the indi‐
cator lamp in button 4or5 lights up. #
Tolowe r automatical ly:brie fly press but ton
5 .
Electronic le vel control automatically lo wers
th eve hicle tothe next lo wer position:
R From the highest position todriving le vel
R From driving le velto the lo west position
The indicator lamp in button 5flashes as
long as theve hicle le vel is being changed. When
theve hicle le vel has been set, the indi‐
cator lamp in button 5lights up.
% By pressing button
4during the mo vement,
th e original position will be reset. #
Toraise automaticall y:briefly press button
4.
Elect ronic le vel control automatically raises
th eve hicle tothe next higher position:
R From the lo west position todriving le vel
R From driving le velto the highest position
The indicator lamp in button 4flashes as
long as theve hicle le vel is being changed.
When theve hicle le vel has been set, the indi‐
cator lamp in button 4lights up.
% By pressing button
5during the mo vement,
th e original position will be reset. #
Toraise or lo wer automatical lyto driving
le ve l (center position): press and hold but‐
to n6.
Electronic le vel control automatically raises or
lo we rstheve hicle todriving le vel. #
Tosave the set vehicle le vel:set the
re qu ired vehicle le vel. #
Press and hold button 1or2 until you hear
a to ne.
The vehicle le vel set has been sa ved on cor re‐
sponding button 1or2. #
Tocall up the sa vedve hicle le vel:briefly
press button 1or2.
Electronic le vel control automatically raises or
lo we rstheve hicle tothe sa ved driving le vel.
The indicator lamp in button 1or2 flashes
as long as theve hicle le vel is being changed.
When theve hicle le vel has been set, the indi‐
cator lamp in button 1or2 lights up.
% Service mode may only be activated or deac‐
tivated at a
qualified specialist workshop by
trained pe rsonnel. In service mode, the air
suspension sy stem is deactivated for mainte‐
nance or fault de tection. #
Toactivate service mode: press button3.
Service mode is active and the indicator lamp
in button 3lights up continuousl y. #
Todeactivate service mode: press button
3.
Service mode is deactivated and the indicator
lamp in button 3goes out. 13 0
Driving and pa rking
#
Toswitch on automaticall y:drive at over
6.2 mph (10 km/h) or release the parking
brake.
Elect ronic le vel control controls theve hicle
le ve l automaticall y.
Using the but ton in the control panel #
Park theve hicle, leaving the ignition switched
on. #
Apply the parking brake. #
Toraise or lo wer the vehicle le vel:press
and hold button 1or2 until theve hicle
le ve lre aches therequ ired height. #
Tolowe r automatical ly:brie fly press the
lo we r section of switch 2.
Electronic le vel control automatically lo wers
th eve hicle tothe next lo wer position:
R From the highest position todriving le vel
R From driving le velto the lo west position
% By pressing button
1during the mo vement,
th e original position will be reset. #
Toraise automaticall y:briefly press the
lo we r section of switch 1.
Electronic le vel control automatically raises
th eve hicle tothe next higher position:
R From the lo west position todriving le vel
R From driving le velto the highest position
% By pressing button
2during the mo vement,
th e original position will be reset. #
Toswitch on automaticall y:drive at over
6.2 mph (10 km/h) or release the parking
brake.
Elect ronic le vel control controls theve hicle
le ve l automaticall y. Using
the but ton in there ar comp artment #
Park theve hicle, leaving the ignition switched
on. #
Apply the parking brake. #
Toraise or lo wer the vehicle le vel:press
and hold button 1or2 until theve hicle
le ve lre aches therequ ired height. #
Tolowe r automatical ly:brie fly press the
lo we r section of switch 2.
Electronic le vel control automatically lo wers
th eve hicle tothe next lo wer position:
R From the highest position todriving le vel
R From driving le velto the lo west position
% By pressing button
1during the mo vement,
th e original position will be reset. #
Toraise automaticall y:briefly press the
lo we r section of switch 1.
Electronic le vel control automatically raises
th eve hicle tothe next higher position:
R From the lo west position todriving le vel
R From driving le velto the highest position
% By pressing button
2during the mo vement,
th e original position will be reset. #
Toswitch on automaticall y:drive at over
6.2 mph (10 km/h) or release the parking
brake.
Elect ronic le vel control controls theve hicle
le ve l automaticall y. Driving and pa
rking 131
Using electronic le
vel control forch arging
with air in an emer gency *
NO
TEDama gedue topressure being too
high If
th e pressure in the air suspension bello ws
is too high, the compressed-air lines or the air
suspension bello wsmay be dama ged. #
Ensure you obse rveth e maximum per‐
missible operating pressure of 900 kPa
(9 bar/130 psi). Only
forve hicles with valves for electronic le vel
control emergency charging. If electronic le vel
control is malfunctioning and theve hicle is lean‐
ing, you can raise or lo werth eve hicle bycon‐
necting an extern al compressed-air source toone
of the emer gency valves (similar ly as withtire
va lve) . If electronic le vel control is not opera‐
tional, you can drive on carefully tothe nearest
qu alified specialist workshop and ha vethe mal‐
function remedied. #
Apply the parking brake. #
Vehicles with automatic transmission:
shift the transmission toposition 005D. #
Switch off the engine. #
Turn theva lve cap of the cor responding valve
(1 L = left, 2R = right). #
Connect theex tern al compressed-air source. #
Raise or lo werth eve hicle le velby charging or
re leasing compressed air until the driving
le ve l has been reached and theve hicle is in a
horizontal position. While doing so, ensure
yo u obse rveth e maximum permissible oper‐
ating pressure of 900 kPa (9 bar/130 psi). #
Disconnect theex tern al compressed-air
source. #
Tighten theva lve cap on theva lve (1 L =
left, 2R = right). #
Drive on carefully tothe nearest qualified
specialist workshop. 13 2
Driving and pa rking
#
Replace fuel filler cap 2and turn it clock‐
wise.
Yo u will hear a click when the fuel filler cap is
closed full y. #
Open the front left-hand door. #
Close fuel filler flap 1.
% Ve
hicles with a diesel engine and incor‐
re ct fueling pr otector against refueling
with gasoline: thefiller neck is designed for
re fueling at diesel filling pumps for passenger
ve hicles.
% Ve
hicles with a diesel engine without an
incor rect fueling pr otector: refueling pre‐
fe rred at diesel filling pumps for passenger
ve hicles. Ho wever,yo u can also refuel at a
diesel filling pump for truc ks.
% If
th e fuel tank has been run comple tely dr y,
add at least 1.3 ga l (5 l) of fuel. Problems with
the fuel and fuel tank Problem
Possible causes/consequences and 0050 0050Solutions
Fu el is leaking from the
ve hicle. The fuel line or
the fuel tank is de fective. #
Apply the parking brake. #
Switch off the engine. #
Remo vetheke y from the ignition loc k.
Or, on vehicles with KEYLESS‑GO: #
Open the driver's door.
The on-board electronics are in position 005A. This corresponds tothe
"k ey remo ved". #
Do not restart the engine under any circums tances. #
Consult a qualified specialist workshop.
The engine does not
st art. The fuel
tank has been run comple tely dr y. #
Refuel theve hicle with at least 1.3 ga l (5 l) of fuel. #
Swit chthe ignition on for appro ximately ten seconds. #
Start the engine continuously for a maximum of ten seconds until it
ru ns smo othly.
If th e engine does not star t: #
Switch the ignition on for appro ximately ten seconds. #
Start the engine continuously for a maximum of ten seconds until it
ru ns smo othly.
If th e engine does not start af terth re e attem pts: #
Consult a qualified specialist workshop. Driving and parking
13 5
#
In particula r,do not park on dry grass‐
land or har vested grain fields. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R Open doo rs,th ereby endangering other
persons or road users.
R Get out and be stru ck byoncoming traf‐
fi c.
R Ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R Releasing the parking brake.
R Changing the transmission position.
R Starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of reach of
ch ildren. *
NO
TEDama getotheve hicle or the drive‐
train due torolling away #
Always park your vehicle safely and
according tolegal requirements. #
Always proper lysecure theve hicle
against rolling away. &
WARNING Risk of accident and inju ryif
parking brake is not applied
If yo u park theve hicle with the transmission
in park position 005Dand the parking brake is
not engaged, theve hicle may rollaw ay.
Engaging pa rkposition 005Dis not a fully ade‐
qu ate replacement forth e parking brake.
There is a risk of accident and injur y.#
Secu retheve hicle against rolling away
as desc ribed belo w. Obser
vethefo llowing points toensure that the
ve hicle is properly secured against rolling away
unin tentionally: #
alwa ys apply the parking brake. #
Vehicles with automatic transmission:
engage transmission position 005D. #
On uphill or downhill inclines: turnthe
front wheels towa rdsth e curb. #
On uphill or downhill inclines: securethe
re ar axle with a chock or an object without
sharp edges.
% Yo
u can operate the side windo wsforfive
minutes af teryo u ha veswitched off theve hi‐
cle. Manual parking brake
Applying/releasing
the handbrake le ver &
WARNING Risk of skidding or an acci‐
dent bybraking with the parking brake
If yo u ha vetobrake your vehicle with the
parking brake, the braking dis tance is consid‐
erab lylonger and the wheels may loc k.There
is an increased risk of skidding and/or acci‐
dent. #
Only brake theve hicle with the parking
brake if the service brake has failed. #
Inthis case, do not apply the parking
brake with too much forc e. #
Ifth e wheels loc k,immediately release
th e parking brake as much as required
fo rth e wheels toturn again. &
WARNING Risk offire and an accident if
th e parking brake is not released
If th e parking brake is not fully released when
driving, thefo llowing situations can occur:
R The parking brake can overheat and cause
a fire
R The parking brake can lose its holding
function #
Comple tely release the parking brake
before driving off. The brake lights do not light up when
you brake
th eve hicle with the parking brake. Driving and parking
141
Gene
rally, you may only apply the parking brake
when theve hicle is stationar y. #
Toapply the pa rking brake: pull handbrake
le ve r1 up as far as the last possible de tent.
When the engine is running, the0049
and 0024 (USA) or 0024(Canada) indicator
lamps in the Instrument Display light up. If
th eve hicle is in motion, a warning tone
sounds.
% In
vehicles with a folding handbrake le ver,
yo u can then press handbrake le ver1 down
as far as it will go. #
Torelease the pa rking brake: onvehicles
with a folding handbrake le ver,firs t pull hand‐
brake le ver1 up as far as it will go. #
Guide handbrake le ver1 down toas far as it
will go.
The 0049 and0024 (USA) or 0024(Canada)
indica tor lamps in the instrument display go
out.
Fo lding the handbrake le ver up or down (only
in vehicles with a folding handbrake le ver)
Re quirements:
R The handbrake le ver is applied. #
Tofold down the handbrake le ver:push the
handbrake le ver down as far as it will go. #
Toraise the handbrake le ver:pull the hand‐
brake le ver up as far as it will go. Pe
rforming emer gency braking with the hand‐
brake le ver If, in
exceptional cases, the service brake fails,
yo u may use the parking brake toper form emer‐
ge ncy braking. #
Eme rgency braking: press and hold release
button 2and carefully pull brake le ver1. Electric parking brake
Information on
the electric pa rking brake &
WARNING Risk of accident and injury
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R Open doo rs,th ereby endangering other
persons or road users.
R Get out and be stru ck byoncoming traf‐
fi c.
R Ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R Releasing the parking brake.
R Changing the transmission position.
R Starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of reach of
ch ildren. 14 2
Driving and pa rking