Problems with hot
water auxiliary heating Problem
Possible causes/consequences and 0050 0050Solutions
FA IL00A3 Signal transmission between transmitter and
vehicle is malfunctioning. #
Change your position in relation totheve hicle, moving closer if nec‐
essar y.
FA IL The
star ter battery is not suf ficiently charge d. #
Charge thest ar ter batter y.
The fuel tank is not filled up tothere ser veleve l. #
Refuel at the nearest gasst ation.
FA IL0099 Au
xilia ryheating is malfunctioning. #
Have the auxiliary heating checked at a qualified specialist work‐
shop. Operating cargo compartment
ventilation If
yo ur vehicle is equipped with a roof ventilator,
yo u can admit fresh air tothe cargo compart‐
ment, or extract air from it as well. #
Swit chon the ignition. #
Toswitch on and extract: press switch 1
at theto p.
The roof ventilator remo ves used air from the
cargo compa rtment. #
Toswitch on and admit fresh air: press
switch 2atthe bottom.
The roof ventilator feeds fresh air into the
cargo compa rtment. #
Toswitch off: setthe switch tothe center
position. 108
Climate cont rol
*
NO
TEWearing out the brake linings by
continuously dep ressing the brake pedal #
Do not depress the brake pedal continu‐
ously whilst driving. #
Touse the braking ef fect of the engine,
shift toa lo werge ar in good time. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle until the engine has reached
its operating temp erature. *
NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel The engine is not
running smo othly and is
misfiring.
Non-combus ted fuel may getinto the cata‐
lytic con verter. #
Only depress the accelera tor pedal
slightly. #
Have the cause rectified immedia tely at
a qualified speciali st workshop. Exhaust emission monitoring
Specific engine sy
stems are designed tokeep
poisonous components of exhaust emissions
within legal limits.
These sy stems only workoptimally if they are
main tained exactly according tomanufacturer's
specifications. It is forth is reason that all work
on the engine should only be per form ed byquali‐
fi ed and authorized Mercedes-Benz Center tech‐
nicians.
Under no circum stances should engine settings
be changed. In addition, all specific main tenance
wo rkmust be per form ed at regular inter vals and
in compliance with the service regulations of the
dealer named in the imprint. Referto the Mainte‐
nance Booklet for de tails.
Note s on short-distance trips
If th eve hicle is predominantly used for short-dis‐
ta nce driving, fuel may accumulate in the engine
oil and cause engine damage.
If yo u main lydrive short dis tances, you should
drive on a free way or go for a country drive for 20 minutes
every480 km (300 miles). This facili‐
ta testh ere ge neration of the diesel particulate fil‐
te r.
Note s onthe speed limit &
WARNING Risk of inju rythro ugh exceed‐
ing the specified tire load rating or the
permissible speed rating
Exceeding the specified tire load rating or the
permissible speed rating may lead totire
dama geand tothe tires bur sting. #
Therefore, only use tire types and sizes
appr ovedfo ryo ur vehicle model. #
Obser vethe tire load rating and speed
ra ting requ ired foryo ur vehicle. As
the driver, you must find out about the maxi‐
mum permissible speed forth e tires (tire and tire
pressure). In particular, obser vethe legal requ ire‐
ments for tires forth e count ryyou are in.
Yo u can permanently limit the speed of your vehi‐
cle.
Mercedes-Benz recommends a qualified special‐
ist workshop for programming the speed limit.
No tethat you cannot exceed a programmed limit
speed when overtaking.
On downhill gradients, the speed limit may be
exc eeded. Apply the brakes if necessar y.
Displ aymessages indica tethat you are approach‐
ing the limit speed.
% Fo
r buses, the speed is limited at thefa ctory
to 100 km/h. When overtaking, bear in mind
th at the limit speed cann otbe exc eeded.
Information about driving abroad
Service
An extensive Mercedes-Benz service is also avail‐
able abroad. Ne vertheless, please remember that
services facilities or spa reparts may not be avail‐
able immediatel y.The releva nt wo rkshop directo‐
ri es are available from an authorized Mercedes-
Benz Center.
Fu el
In some countries, only fuels with an inc reased
sulfur con tent are available.
Mercedes-Benz recommends ins talling a fuel fil‐
te r with a water sepa rato rfo r countries with an
increased water content in diesel. Driving and parking
11 3
Uns
uitable fuel can cause engine damage. In for‐
mation about fuel can be found in the "Fuel" sec‐
tion (/ page 341).
Information about transport byrail
Tr ansporting your vehicle byrail may be subject
to cer tain restrictions or require special meas‐
ures tobe take n in some countries due tovarying
tunnel heights and loading standards.
Yo u can obtain information about this from any
authorized Mercedes-Benz Center.
Note s on brakes &
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift down on slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction. #
Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect. &
WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may overheat.
This increases the braking dis tance and the
brake sy stem may evenfa il. #
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time
while driving. Downhill
gradients
On long and steep downhill gradients you should
obse rveth efo llowing instructions:
R Invehicles with an automatic transmission,
shift down toshift ranges 2or 1in good time
so that the engine is running at a medium to
high engine speed (/ page124).
% Cha
nge the shift range in good time when
cruise control is acti vated. Obser vethe driv‐
ing tips (/ page111).
Yo uth ereby make use of the braking ef fect of the
engine and do not ha vetobrake as of tento main‐
tai nth e speed. This relie vesth e load on the
service brake and pr events the brakes from over‐
heating and wearing tooqu ickl y. Heavy and light loads
If
th e brakes ha vebeen subjected toa heavy
load, do not stop theve hicle immediatel y.Drive
on for a short while. The brakes cool down more
qu ickly in the air flow.
If th e brakes ha vebeen used only moderately,
yo u should occasionally test their ef fectiveness.
To do this, brake more firm ly from a higher speed
while pa ying attention tothe traf fic conditions.
The brakes will grip better as a result.
We tro ad sur faces
If yo u ha vebeen driving for a long time in heavy
ra in without braking, there may be a dela yed
re sponse when youfirs t apply the brakes. This
may also occur af ter driving thro ugh a car wash
or deep water.Yo u must depress the brake pedal
more firm ly. Maintain a grea ter dis tance tothe
ve hicle in front.
While paying attention tothe traf fic conditions,
yo u should brake theve hicle firm lyafte r driving
on a wetro ad sur face or thro ugh a car wash. This
heats the brake discs so that they dry more
qu ickl y,which pr otects them against cor rosion.
Limited braking ef fect on salt-trea tedro ads:
R A layer of salt on the brake discs or brake‐
pads can increase braking dis tances consid‐
erably, or braking may happen on only one
side
R Maintain an especially large safe dis tance to
th eve hicle in front
To remo vethe la yer of salt:
R Apply the brakes from time totime, paying
attention totraf fic conditions
R Carefully depress the brake pedal at the end
of a journey and af terth est art of a new jour‐
ney
Checking the brakepad thickness
In addition tomonitoring using the brakepad wear
sensor, regular lymonitor and check all of the
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. 11 4
Driving and pa rking
*
NO
TEDama getotheve hicle af ter driving
off-road When driving off-road or on unpa
ved sur fa‐
ces, fore ign bodies such as stones and
branches could become trapped on theve hi‐
cle underside, on wheels and tires, causing
damage totheve hicle.
Fo reign bodies could cause thefo llowing
damage:
R Damage the suspension, the fuel tank or
th e brake sy stem.
R Disturb the balance and cause vibrations. #
Regular lyremo veany trapped fore ign
bodies, e.g. stones and branches. #
After driving off-road, check carefully
whe ther there is any damage tothe
ve hicle. #
Ifth ere is damage, ha vetheve hicle
ch ecked at a qualified specialist work‐
shop. When driving off-road or on unpa
ved sur faces,
ch eck theve hicle underside, wheels and tires
re gularly at regular inter vals. In particular,
re mo veany trapped fore ign bodies, such as
st ones and branches.
Obser vethefo llowing no tesre ga rding fore ign
bodies of this kind:
R They may damage the suspension, the fuel
ta nk or the brake sy stem.
R They may disturb the balance and cause
vibrations.
R They may be flung out from theve hicle when
yo u continue driving.
If th ere is any damage, inform a qualified special‐
ist workshop.
When driving off-road on steep inclines, you must
make sure that the DEF tank is su fficiently filled.
Therefore, ensure a le vel of at least ten li ters
before off-road driving.
When driving off-road and on con stru ction sites,
sand, mud and water,also mixed with oil, can get
into the brakes. This may lead toare duction in
braking ef fect or total brake failure, also as a
re sult of increased wear. The braking characteris‐
tics will vary depending on the material that has
got into the sy stem. Clean the brakes af ter driv‐
ing off-road. If youth en notice a reduced braking
ef fect or hear scraping noises, ha vethe brake sy
stem checked immediately at a qualified spe‐
cialist workshop. Adjust your driving style to the
ch anged braking characteristics.
Driving off- road or on con stru ction sites increa‐
ses the possibility of vehicle damage which may
in turn lead tothefa ilure of cer tain major assem‐
blies and sy stems. Adapt your driving style to the
off-road driving conditions. Drive carefull y.Ha ve
any vehicle damage rectified at a qualified spe‐
cialist workshop as soon as possible.
When driving on rough cross-country terrain, do
not shift the transmission toneutral and do not
disengage the clutch. You could lose control
when attem pting tobrake theve hicle with the
service brake. If your vehicle cannot manage an
uphill incline, drive back down in reve rsege ar.
When loading your vehicle for off-road driving or
on a construction site, keep theve hicle's center
of gr avity as low as possible.
Checklist before off-road driving R Check the fuel and DEF le vels (/ page175)
and refill if necessary (/ page133).
R Engine: check the oil le vel and add oil if nec‐
essary (/ page 281). Before driving up or
down extreme inclines or slopes, fill th e oil to
th e maximum le vel.
% If
yo u drive up or down extreme inclines or
slopes, the00B2 symbol may appear in the
multifunction displa y.The engine operating
saf ety is not put at risk if you ha vefilled the
engine oil tothe maximum le vel before the
jou rney.
R Vehicle tool kit: check that the jack is work‐
ing (/ page 327).
R Make sure that a lug wrench (/ page 327), a
wo oden underlay forth e jac k,aro bust tow
ro pe, a folding spade and a wheel chock
(depending on equipment) are car ried in the
ve hicle.
R Tire s and wheels: check the tire tread dep th
( / page 308) and the tire pressure
(/ page 316).
Ru les for off-road driving
Alw ays be aware of the ground clearance of the
ve hicle and avoid obs tacles such as deep tire
ru ts. Driving and pa
rking 117
Obs
tacles can damage thefo llowing parts of the
ve hicle, forex ample:
R Suspension
R Driv etra in
R Fuel and supply tanks
The refore , alw ays drive slowly when off-road. If
yo u must drive over obs tacles, ha vethe co-driver
instruct you.
% Mercedes-Benz
recommends that you addi‐
tionally car rya sho vel and a reco very rope
with a shackle in theve hicle.
R Make sure that loads and items of luggage
are securely stored or lashed down
(/ page 271).
R Before driving off-road, stop theve hicle and
engage a low gear.
R Vehicles with DSR: activate DSR when you
are driving downhill (/ page127).
R All-wheel drive vehicles: activate the all-
wheel drive (/ page125) and, if necessa ry,
activate theLO W RANGE transmission ratio
(/ page 126).
R Ifth e sur face requ ires, temp orarily deactivate
ESP ®
when pulling away ( / page 148).
R Only drive off-road wi th the engine running
and a gear engaged.
R Drive slowly and smo othly. Wa lking pace is
necessary in many situations.
R Avoid spinning the driven wheels.
R Always ensure that the wheels remain in con‐
ta ct wi th the ground.
R Exercise the utmost caution when driving
across unfamiliar, unpredictable terrain. As a
precaution, getout of theve hicle totake a
look at thero ute tobe take nfirs t.
R Look out for obs tacles (e.g. rock s, holes, tree
st umps and tire ruts).
R Avoid edges where the sur face could crumble
or break away.
Ru les forfo rd ing off-road (all-wheel drive
ve hicles)
R Obser vethe saf ety no tes and general no tes
on driving off-road.
R Check the dep thand characteristics of the
body of water before ford ing. The water must
not be deeper than 23.6 in (60 cm).
R The climate control sy stem is switched off
(/ page 101). R
The auxiliary heating is swit ched off
(/ page 106).
R Activate all-wheel drive (/ page 125) and
ac tivate it on vehicles with theLO W RANGE
transmission ratio (/ page 126).
R Restrict the shift range to1or 2.
R Avoid high engine speeds.
R Drive slowly and smoo thly at no mo rethan a
wa lking pace.
R Ensure that no bow wavefo rm s while driving.
R Afterfo rd ing, dry the brakes.
Af ter driving thro ugh a body of water deeper than
19 .7 in (50 cm), make su retocheck all vehicle
fl uids for any signs of penetration bywater.
Checklist af ter driving off-road
Driving over rough terrain places greater
demands on your vehicle than normal road opera‐
tion. Check your vehicle af ter driving on rough
te rrain. This allo wsyouto detect damage
prom ptly and reduce therisk of an accident for
yo urself and other road users. Clean your vehicle
th oroughly before driving on public roads.
If yo ufind damage totheve hicle af ter off-road
driving, ha vetheve hicle checked at a qualified
specialist workshop immediately.
Obser vethefo llowing points af ter driving off-
ro ad, on con stru ction sites and before driving on
public roads:
R Vehicles with DSR: deactivate DSR
(/ page 127).
R All-wheel drive vehicles: deactivate the all-
wheel drive (/ page125).
R Activate ESP ®
(/ page 148).
R Clean theex terior lighting, particularly the
headlamp s andtail lamps, and check them
fo r dama ge.
R Clean the front and rear license plates.
R Clean the windshield, windo wsand outside
mir rors.
R Clean thesteps, entra nces and grab handles.
This increases the saf ety of your foot ing.
R Clean the wheels and tires, wheel wells and
th e underbody of theve hicle with a water jet.
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 the11 8
Driving and pa rking
Diesel pa
rticulate filter Note
s onrege neration &
DANG ER Risk of death caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk offire caused byhot
ex haust sy stem parts
Flammable materials such as lea ves, grass or
twigs may ignite. #
Park theve hicle so that no flammable
material can come into con tact wi thhot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. Re
generation wi thout inter ruption take s appr ox.
15 minutes.
If th eve hicle is predominantly used for short dis‐
ta nce driving or extended non-operational times,
th is could lead toa malfunction in the automatic
cleaning function forth e diesel particulate filter.
As a result, permanent blocking of the diesel par‐
ticulate filter may occur. and fuel may also accu‐
mulate in the engine oil and cause engine failure.
If yo u main lydrive short dis tances, you should
drive on a free way or go for a country drive for 20
minutes every500 km (300 miles). This facili‐
ta testh e diesel particulate filter's burn-off proc‐
ess.
* NO
TEDama gedue tohot exhaust gases During
rege neration, extremely hot exhaust
ga ses escape from theta ilpipe. #
During rege neration, maintain a mini‐
mum di stance of 7 ft(2 m) from other
objects, e.g. par kedve hicles. Displaying load
On-board computer:
4 Service 5
Consumption Info
The load of the diesel particulate filter is dis‐
pla yed. Load display at
75% load #
Toexitth e displa y:press the back button on
th e left-hand side of thesteering wheel.
Bear in mind thefo llowing related topic:
R Operating the on-board computer
(/ page 120) Battery main switch
Note
s onthe bat tery main switch *
NO
TEDama getothe electrical sy stem If
yo ure mo vethe battery main switch, it
could lead tothe electrical sy stem becoming
damaged. #
Make sure that the ignition is switched
off and that at least 15minutes ha ve
passed before removing the battery
main switch. Otherwise, electrical sys‐
te m components could be dama ged. Yo
u can use the battery main switch todiscon‐
nect the cur rent toall your vehicle's consumers.
This will pr event uncontrolled battery discha rge
caused byquiescent cur rent consumers.
If yo ur vehicle is equipped with an auxiliary bat‐
te ry inthe engine compartment or in the base of
th e co-driver's seat, you must disconnect bo th
batteries. Only then is the electrical sy stem fully
disconnected from the po wer supp ly. 12 0
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 and explosion due
to electros tatic charge
Electros tatic charge can crea tespar ksand
th ereby ignite fuel vapors. #
Before you open the fuel filler cap or
ta ke hold of the pump nozzle, touch the
me tallic vehicle body.
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 can
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
13 3
*
NO
TEDo not use diesel torefuel vehicles
with a gasoline engine If
yo u ha veaccidentally refueled with the
wrong fuel:
R Do not swit ch the ignition on. Otherwise
fuel can enter the engine.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. *
NO
TEDo not use gasoline torefuel vehi‐
cles with a diesel engine If
yo u ha veaccidentally refueled with the
wrong fuel:
R Do not swit ch the ignition on. Otherwise,
fuel can enter the fuel sy stem.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. *
NO
TEDama getothe fuel sy stem caused
by ove rfilled fuel tanks #
Only fill th e fuel tank until the pump
nozzle switches off. *
NO
TEFuel may spr ayout when you
re mo vethe fuel pump nozzle #
Only fill th e fuel tank until the pump
nozzle switches off. *
NO
TEDama getopainted sur faces due to
fuel #
Do not spill any fuel on painted sur fa‐
ces. +
ENVI
RONMENTAL NOTEEnvironmental
damage due toimproper handling of fuel If fuels are handled improperly,
they pose a
danger topersons and the environment. #
Do not allow fuels torun into the sew‐
age sy stem, the sur face wate rs,the
ground water or into the ground. Re
quirements:
R The vehicle is unloc ked.
R The auxiliary heating is deactivated.
R The ignition is switched off.
R The front left-hand door is open.
% Do not
get ba ckinto theve hicle during the
re fueling process. Otherwise, electros tatic
ch arge could build up again.
Obser vethe no tes on operating fluids
(/ page 340). 1
Fuelfiller flap
2 Fuelfiller cap
% The fuel
filler flap is beside the front left-hand
door when vie wed in the direction of tr avel.
The position of the fuel filler cap 00D4is also
shown in the Instrument Displa y.The ar row
on thefilling pump specifies the side of the
ve hicle. #
Open fuel filler flap 1. #
Turn fuel filler cap 2coun ter-clockwise and
re mo veit. #
Close all vehicle doors topreve nt fuel vapors
from entering theve hicle interior. #
Comple tely slide thefiller neck of the pump
nozzle into theta nk, hook in place and refuel. #
Fillthe fuel tank only until the pump nozzle
switches off. 134
Driving and pa rking