
brakepads
byper form ing a visual inspection to
look for pad material wear.
If yo u are unable tocheck the brakepad wear on
th e inside of the wheels, remo vethe wheels if
yo u possess there qu ired skills, or visit a qualified
specialist workshop.
If th e brakepad material thickness is less than
0. 12 in (3 mm), ha vethe brakepads checked and
re placed at a qualified specialist workshop, if
necessar y.
Do not solely rely on the brakepad wear sensor.
It is also strongly recommended that you ha ve
th e brakepads checked at a qualified specialist
wo rkshop, not only at everyservice displa yedby
th e maintenance inter val displa y,but also prior to
long journe ysand when ever the wheels are
re mo ved.
Ne w brake discs and brakepads
New brakepads and brake discs on lyreach their
optimal braking ef fect af ter appro ximately
10 0 miles (100 kilome ters).
Unti lth en, compensate forth ere duced braking
ef fect by applying greater pressure tothe brake
pedal. For saf etyre asons, Mercedes-Benz recom‐
mends that you only ha vebrakepads and brake
discs which are appr ovedby Mercedes-Benz
ins talled on your vehicle.
Other brake discs or brakepads may compromise
th e saf ety of your vehicle.
Alw aysre place all brake discs and brakepads on
an axle at the same time. Alw ays ins tall new
brakepads when replacing brake discs.
Pa rking brake &
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. Ve
hicles with a manual parking brake
When driving on wetro ads or dirt-co vered sur fa‐
ces, road salt or dirt may getinto the parking
brake. This causes cor rosion and a reduction of
braking forc e.
In order topreve ntthis, drive with the parking
brake lightly applied from time totime.
When doing so, drive for a dis tance of appr ox‐
imately 300 ftat a maximum speed of 13mph
(20 km/h).
The brake lights do not light up when you brake
th eve hicle with the parking brake.
Information about driving on wetroads
Hydroplaning &
WARNING Risk of aquaplaning because
tire tread is too low
Depending on the dep thofthewate r onthe
ro adw ay, aquaplaning can occur despite suf fi‐
cient tire tread dep thand low speed. #
Avoid tire ruts and brake carefully. The
refore , in heavy rain or other conditions in
which hydroplaning can occur, drive as follo ws:
R Reduce your speed.
R Avoid tire ruts.
R Brake carefully.
Driving on flooded roads
Bear in mind that vehicles tr aveling in front or in
th e opposite direction create waves. This may
cause the maximum permissible dep thofwa ter
to be exc eeded. These no tes must be obser ved
under all circum stances. Otherwise, you can
damage the engine, electrics and transmission.
If yo u ha vetodrive on stre tches of road on which
wa ter has collected, please bear in mind thefo l‐
lowing:
R The wate r level of standing water may not be
abo vethe lo wer edge of the front bumper.
R You may drive no faster than walking pace.
Obser vethe no tes on ford ing while off- road for
all-wheel drive vehicles (/ page110). Driving and parking
109

This increases
road adhesion, especially on
we tro adw ays.
R Check the wheels and tires and wheel wells
fo r trapped fore ign objects and remo vethem.
Tr apped fore ign objects can damage the
wheels and tires or may be flung out from the
ve hicle when continuing the journe y.
R Check the underbody for trapped branches or
ot her parts of plants and remo vethem.
R Clean the brake discs, brakepads and axle
joints, particularly af ter operation in sand,
mud, grit and gr avel,wa ter or similar lydirty
conditions.
R Check the entire floor assembly, the tires,
wheels, bodywork stru cture, brakes, steering,
suspension and exhaust sy stem for any dam‐
age.
R Check the service brake for operating saf ety,
e.g. car ryout a brake test.
R Ifyo u notice strong vib rations af ter driving
off-road, check the wheels and driv etra in for
fo re ign objects again. Remo veany fore ign
objects which can lead toimbalances and
th us cause vibrations. In theeve nt of damage
to the wheels and the drive train, visit a quali‐
fi ed specialist workshop immediately. ECO display function
The ECO display summarizes
the driving charac‐
te rist ics from thest art of the journey toits com‐
pletion and assists you in achieving the most eco‐
nomical driving style.
Yo u can influence consum ption if you:
R anticipate road and traf fic conditions.
R obser vethege arshift recommendations. Instrument Display wi
thcolor display The segment's lettering lights up bright,
the outer
edge lights up and the segment is filled, in the
fo llowing cases:
R 1 ACCELERATION : moderate acceleration
R 2 CONSTANT: consis tent speed
R 3 COASTING: gentle deceleration and roll‐
ing
The segment's lettering is gray ,th e outer edge is
dark and the segment is em ptied, in thefo llowing
cases:
R 1 ACCELERATION: sporty acceleration
R 2 CONSTANT :fl uctuations in speed
R 3 COASTING: heavy braking
Yo u ha vedriven economically when:
R theth re e segments fill up comple tely at the
same time
R the edge around all thre e segments lights up Instrument Display with black and white dis‐
play
The bars fill up in thefo llowing cases:
R 1Moderate acceleration
R 2Consis tent speed
R 3Gentle deceleration and rolling
The bars em pty in thefo llowing cases:
R 1Sporty acceleration
R 2Fluctuations in speed
R 3Heavy braking
The display sho wsadditional range 4Bonus
XXX mi From Start orXXX mi From Start achieved
as a result of your driving style in comparison to
a driver with a very sporty driving style. The range
displ ayed does not indicate a fixe dre duction in
consum ption. Driving and parking
11 3

0047
Use
the engine's braking ef fect on extremely
st eep downhill gradients and on long down‐
hill stre tches. Using kickdown
#
For maximum acceleration: depressthe
accelerator pedal be yond the pressure point. #
Ease off the accelera tor pedal once the
desired speed is reached. All-wheel drive
Note
s on all-wheel drive All-wheel drive ensures permanent drive
for all
fo ur wheels, and toget her with ESP ®
it impr oves
th e traction of theve hicle.
The traction contro l ofthe all-wheel drive also
ta ke s place via the brake sy stem. Therefore, the
brake sy stem can overheat during extreme off-
ro ad use. In this case, ease off the accelerator
pedal or stop toallow the brake sy stem tocool
down.
If a driven wheel spins due toinsuf ficient trac‐
tion, obser vethefo llowing no tes:
R When pulling away, make use of the traction
cont rol integrated in ESP ®
. Depress the
accelerator pedal as far as necessar y.
R Take your foot off the accelera tor pedal,
slowly, while theve hicle is in motion.
In wintry driving conditions, alw ays use winter
tires (M+S tires) and, if necessar y,snow chains
(/ page 233). Only in this wa y can the maximum
ef fect of all-wheel drive be achie ved.
Use DSR (Downhill Speed Regulation) when driv‐
ing downhill off-road (/ page120).
If yo ufa ilto adapt your driving style or if you are
inat tentive, the all-wheel drive sy stem can neither
re duce therisk of an accident nor override the
la ws of ph ysics. The all-wheel drive sy stem can‐
not take road, weather and traf fic conditions into
account. The all-wheel drive sy stem is only an
aid. You are responsible for maintaining a safe
dis tan ce from theve hicle in front, forve hicle
speed, for braking in good time and forst ay ing in
lane. *
NO
TERisk of damage tothe driv etra in
and the brake sy stem If
yo u operate vehicles with all-wheel drive on
a one-axle test st and, you may damage the
driv etra in or the brake sy stem. #
A function or per form ance test should
only be car ried out on a two-axle test
st and. #
Ifyo u wish tooperate theve hicle on
such a test st and, please consult a
qu alified specialist workshop in
advance. *
NO
TERisk of damage tothe transfer
case If
yo uto w theve hicle with a raised axle, the
trans fer case can getdamaged. Such damage
is not co veredby Mercedes-Benz Limited
Wa rrant y. #
Neverto w theve hicle with a raised axle. #
Only tow theve hicle with all wheels on
th e ground or fully raised. #
Notethe instructions on towing the
ve hicle with full contact with the ground
fo r all wheels. Engaging all-wheel drive
Conditions
for en gaging/disengaging
Yo u can engage and deactivate the all-wheel drive
when stationary or while driving slowl y.
When stationar y,thefo llowing must be obser ved:
R The engine is running.
R The steering wheel in thest ra ight-ahead posi‐
tion.
If th e all-wheel drive cann otbe engaged when
st ationary: #
Vehicles with automatic transmission:
shift the selector le ver from 005Cto005B from
005B to005C from 005Cto005E and back to005C .
Engaging and disengaging the all-wheel drive
can be made easier in this wa y.
Obser vethefo llowing when driving slowly:
R The engine is running.
R The vehicle is not tr aveling fasterthan
6.2 mph (1 0 km/h).
R The vehicle is not being driven around a bend. 11 8
Driving and pa rking

If it is not possible
toengage all-wheel drive when
th eve hicle is rolling: #
Vehicles with automatic transmission:
brief lymo vethe selector le verto 005C . Engaging/disen
gaging all-wheel drive *
NO
TERisk of damage tothe transfer
case If
yo ustep on the accelerator pedal while the
all-wheel drive is engaged or disen gage d, the
trans fer case may be dama ged. #
Do not step on the accelera tor pedal
when the indicator lamp in the switch
fo rth e all-wheel drive is flashing. #
Toengage/disen gage:press the upper sec‐
tion of switch 1.
The indicator lamp in switch 1flashes while
th e all-wheel drive is engaged or disengaged.
The 00E5 and003D warning lamps light up in
th e instrument displa y.ESP ®
and ASR are
deacti vatedfo rth e duration of the shift oper‐
ation. If the shift operation is successful, the
00E5 and003D warning lamps in the instru‐
ment display go out and ESP ®
and ASR are
re activated.
As long as the indicator lamp in switch 1is
fl ashing, you can cancel the shift operation by
pressing switch 1again. If the shift operation
fa ils, the indicator lamp in switch 1brief ly
fl ashes thre e times. One of the shift conditions
wa s not met.
If th e indicator lamp in switch 1lights up, all-
wheel drive is engaged. A releva nt messa ge
appears in the display of the on-board computer. %
If
th eLO W RANGE gear reduction is engaged,
th e all-wheel drive cann otbe disengaged. Fu
nction of theLO W RANGE gear reduction The
LOW RANGE gear reduction enables very
slow driving in there spective gears. If you engage
LO W RANGE, the engine's per form ance charac‐
te rist ics and the automatic transmission's shift‐
ing characteristics are adjus ted according ly. The
transmission ratio from the engine tothe wheels
is around 40% lo werth an in thero ad position.
The drive torque is in creased cor respondingly.
Conditions for en gaging/disengaging
The following shifting conditions must be met in
order toengage or disengage LOW RANGE:
R All-wheel drive is engaged (/ page119).
R The engi ne isrunning.
R The vehicle is stationar y.
R You depress the brake pedal.
R Vehicles with automatic transmission: the
selector le ver is in position 005Dor005C. Engaging and disen
gaging LOW range 1
Enga ging and disengaging LOWrange
% On
vehicles with DSR (Downhill Speed Regu‐
lation), switch 1isreplaced with the switch
fo r DSR. Driving and parking
11 9

#
Toengage and disen gage:press the upper
section of switch 1.
The 002E indicator lamp flashes in the instru‐
ment display forth e duration of the shift
operation.
R When the shift operation take s place and
LO W RANGE is engaged, the002E indica‐
to r lamp lights up.
R When the shift operation take s place and
LO W RANGE is disengaged, the002E indi‐
cator lamp goes out.
As long as the indicator lamp 002Eisflashing,
yo u can cancel the shift operation bypressing
button 1again. If the shift operation fails, the
indicator lamp 002Ebrieflyflashes thre e times.
One of the shift conditions was not met. DSR (Downhill Speed
Regulation) Note
s on DSR If
yo ufa ilto adapt your driving style or you are
inat tentive, DSR can nei ther reduce therisk of
accident nor override the la wsof ph ysics. DSR
cannot take road, weather and traf fic conditions
into account. DSR is only an aid. You are respon‐
sible for a safe dis tancetotheve hicle in front, for
ve hicle speed and for braking in good time.
DSR supports you when driving downhill. DSR
main tains a set speed foryo u on downhill gradi‐
ents byapplying the brakes as required. Main‐
ta ining the speed is dependent on thero ad sur‐
fa ce conditions and the downhill gradient and
cann ottherefore be guaranteed in all situations.
Yo u can set the speed depending on thege ar
ra nge tobetween 2 mph (4 km/h) and 11mph
(18 km/h) using the brake and accelera tor pedals
or therock er switch on thesteering wheel.
DSR automatically cont rols in thefo llowing situa‐
tions:
R Ifth eve hicle is stationar y,or its speed is less
th an 2 mph (4 km/h) , the speed is set to
2 mp h (4 km/h) or it is set tothe minimum
speed forth ere spective gear range.
R Ifyo u drive fasterthan 11mp h (18 km/h) off-
ro ad, DSR swit ches tostandby mode. DSR
re mains activated, but does not brake auto‐
matical ly.
R Ifyo u drive downhill slo werth an 11mph
(18 km/h), DSR sets the speed tothe pr evi‐
ously set speed. R
Ifyo u drive fasterthan 28 mph (45 km/h),
DSR switches off automaticall y. Ac
tivating/deactivating DSR Ac
tivating DSR Yo
u can activate DSR when theve hicle is station‐
ary or moving. #
Press the upper section of switch 1. #
Brake or accelerate theve hicle tothe desired
speed between 2 mph (4 km/h) and 11mph
(18 km/h). #
Release the brake or accelera tor pedal.
The cur rent speed is stored. When stationar y,
2 mp h (4 km/h) or the minimum possible
speed for each gear range is stored. DSR
maintains thestored speed on the downhill
gradient and brakes automaticall y.
When DSR is activated and theve hicle pulls
aw ay, accelerates or brakes, the speed set cor re‐
sponds tothe speed at which the accelera tor or
brake pedal is released or thero ck er switch is
pressed during DSR regulation. This is only the
case if you are not driving fasterthan 11mph
(18 km/h).
DSR status display in the on-board computer
R DSR is activated:
- DSR andthe set speed appear in thest a‐
tus area of the on-board computer.
R DSR is activated, but is not inter
vening:
- you are driving between 11mph
(18 km/h) and 28 mph (45 km/h).
- DSR andthe speed 11mp h (18 km/h)
appear in thest atus area of the on-board
computer. 12 0
Driving and pa rking

DSR is in
standby mode.
R DSR is inactive:
-
as soon as youexc eed a speed of 28 mph
(45 km/h).
- DSR appears in thest atus area of the on-
board computer. In addition, theDSR Off
message appears.
- DSR - - - appears in thest atus area of the
on-board computer.
Setting the speed while driving downhill
Yo u can set the speed depending on thege ar
ra nge tobetween 2 mph (4 km/h) and 11mph
(18 km/h) using the brake and accelerator pedals
or therock er switch on thesteering wheel. #
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 As soon as youexc eed a speed of 28 mph
(45 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 you lo werthe
ve hicle. &
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. Driving and parking
121

#
Toswitch electronic le vel control on
again: press button 4again.
The indicator lamp on button 4goes out.
Using the but ton in the control panel #
Park theve hicle, leaving the ignition switched
on. #
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. #
Tostop the mo vement, brief lypress the upper
section of switch 1. #
Toraise todriving le vel:briefly press the
upper section of swit ch1.
Electronic le vel control automatically raises
th eve hicle tothe driving le vel. #
Tostop the mo vement, brief lypress the lo wer
section of switch 2. #
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 electronic le
vel control forch arging
with air in an emer gency Only
forve hicles with valves for electronic le vel
control emergency charging. If electronic le velcontrol 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 (tire valves). If elect ronic
le ve l control is deactivated, you can drive on
carefully tothe nearest qualified specialist work‐
shop and ha vethe malfunction remedied.
* 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 600 kPa
(6 bar/87 psi). #
Apply the parking brake. #
Vehicles with automatic transmission:
shift the transmission toposition 005D. #
Switch off electronic le vel control
(/ page 123). #
Switch off the engine and open the hood
(/ page 202). #
Unscr ewtheva lve cap of the cor responding
va lve. #
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 600 kPa (6 bar/87 psi). #
Disconnect theex tern al compressed-air
source. #
Tighten theva lve caps on theva lves. #
Close the hood (/ page 202). #
Drive on carefully tothe nearest qualified
specialist workshop. 124
Driving and pa rking

Problems with
the electronic le vel control Problem
Possible causes/consequences and 0050 0050Solutions
Yo u cannot raise or lo wer
th eve hicle le vel when
st ationar y. The compressor is in danger of
overheating. Af terre peatedly raising and
lo we ring theve hicle, electronic le vel control (play pr otection) is deactiva‐
te d. #
Tryto set theve hicle le vel manually again af ter appro ximately
one minute.
Electri c level control has been deactivated due tounde rvoltage. The bat‐
te ry may not be charging.
Handling and ride comfort may suf fer. #
Start the engine. #
Consult a qualified specialist workshop as soon as possible. Re
fueling Re
fueling theve hicle &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, open flames, smoking and creation
of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fueling theve hicle. &
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
con tact wi thskin, eyes or clo thing. #
Do not inhale fuel vapor. #
Keep children away from fuel. #
Keep doors and windo wsclosed du ring
th ere fueling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. #
Change immediately out of clo thing that
has come into con tact wi thfuel. &
WARNING Risk offire or explosion from
electros tatic charge
Electros tatic charge can crea tespar ksand
th ereby ignite fuel vapors. #
Before opening the fuel filler cap or tak‐
ing hold of the pump nozzle, touch the
me tallic body of theve hicle.
This dischar ges any electros tatic charge
th at may ha vebuilt up. #
Do not get into theve hicle again during
th ere fueling process.
Otherwise, electros tatic charge could
build up again. &
WARNING Risk offire from fuel mixture
Ve hicles with a diesel engine:
If yo u mix diesel fuel with gasoline, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel.
While the engine is running, component pa rts
in theex haust sy stem may overheat without
wa rning. #
Neverre fuel using gasoline. #
Never mix gasoline with diesel fuel. Driving and parking
12 5