#
Alwaysfit th efloor mats securely and as
prescribed in order toensure that there
is alw ays suf ficient room forth e pedals. #
Do not use loose floor mats and do not
place floor mats on top of one ano ther. *
NO
TEBattery discharging from using
devices connec tedto the diagnostics
connection Using devices at
the diagnostics connection
drains the batter y. #
Check thech arge leve l of the batter y. #
Ifth ech arge leve l is lo w,charge the bat‐
te ry, e.g. bydriving a considerable dis‐
ta nce. The connection and use of ano
ther device on the
diagnostics connection can ha vethefo llowing
ef fects:
R Malfunctions in theve hicle sy stem
R Perm anent damage tovehicle components
Please referto thewa rranty term s and conditions
re ga rding this.
In addition, connecting equipment tothe diagnos‐
tics connection can lead toemissions monitoring
information being reset, forex ample. This may
lead totheve hicle failing tomeet therequ ire‐
ments of the next emissions inspection during
th e main inspection. Note
s onchanges tothe engine output
Output inc reases can:
R Change the emission values.
R Lead tomalfunctions.
R Result in consequential damage.
The operating saf ety of the engine is not guaran‐
te ed in all situations.
If th eve hicle's engine output is increased:
R Tyres, suspension, brake sy stem and engine
cooling sy stem must be adap tedto the
inc rease engine output.
R Vehicle must be recertified.
R Report changes in output tothe accident
insurance body.
This will otherwise lead tothe in validation of the
ve hicle's general ope rating pe rmit and its insur‐
ance co verage.
If yo u sell theve hicle, inform the buyer of any
alterations totheve hicle's engine output. This
may constitute a punishable of fence under
national legislation. Qualified speciali
stwo rkshop
A qu alified specialist workshop has the necessary
special skills, tools and qualifications tocor rectly
car ryout any necessary workon your vehicle.
This particularly applies towo rkreleva nt to
saf ety.
Alw ays ha vethefo llowing workon theve hicle
car ried out at a qualified specialist workshop:
R Safety-re leva nt wo rks
R Service and maintenance work
R Repair work
R Modifications as well as ins tallations and con‐
ve rsions
R Workon electronic components
Mercedes-Benz recommends that you use a
Mercedes-Benz service centre forth is purpose. Ve
hicle registration
Mercedes-Benz may ask its service centres to
car ryout tech nical inspections on cer tainve hi‐
cles. The quality or saf ety of theve hicle is
impr oved as a result of the inspection.
Mercedes-Benz can only inform you about vehicle
ch ecks if it has your registration data. 22
General no tes
Only if
the green mark on the handwheel is
aligned with the green area on the ball neck is
th e ball neck securely engaged. #
Lock lock 6in handwheel 1with thekey. #
Remo vetheke y and place cap 5on lock 6.
The ball ne ckis securely ins talled only if the
ball neck can be loc ked and theke yre mo ved. #
Store the trailer hitch key in a safe place, e.g.
in theve hicle document wallet.
If yo u cannot remo vetheke y,the ball neck may
be dirty. #
Remo vethe ball neck (/ page178) and
clean it ( /page 229).
If yo ustill cannot lock the ball neck af ter cleaning
it, the trailer hitch is damaged. #
Remo vethe ball nec k.
Safe trailer ope ration is not guaranteed. The
ball neck mu stno longer be used for trailer
operation. #
Have the trailer hitch checked at a qualified
specialist workshop. Re
moving the ball ne ck Re
quirements
R Trailer hit chkey #
Remo vecap 5from lock 6in handwheel
1. #
Unlock lock 6in handwheel 1with th ekey. #
Hold ball neck 4in place. #
Pull handwheel 1outwards. Turn red mark
3 on handwheel 1into green area 2of
ball neck 4until handwheel 1engages.
Pa y attention tothe pictogram on handwheel
1. #
Pull ball neck 4out down wards. #
Ifth e ball neck is dirty, clean it
(/ page 229). %
Depending on
theve hicle equipment, the
holder forth e ball neck on theve hicle can be
pr otected with a co ver in the bumper. #
Store the ball neck with theke y inser ted in
th estow age space on theright-hand side in
th ere ar and remo vethe co verfo rth e ball
neck holder. #
Insert the co ver in the lo wer section of the
bumper and tighten the two quick- re lease fas‐
te ners forth e co ver (/ page177). Coupling/uncoupling a
trailer Re
quirements
R The ball neck must be engaged in a securely
locked position.
Tr ailers with 7-pin plugs can be connec tedto the
ve hicle using thefo llowing adap ters:
R Adapter plug
R Adapter cable
Coupling a trailer
* NO
TEDama getothest ar ter battery due
to full discharge Charging
the trailer battery using the po wer
supply of the trailer can damage thest ar ter
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y. 1
Eyeletfor break away cable
The eyelet on the ball neck is used exclusively for
attaching the trailer break away cable. You must
not attach a tow rope, a tow bar or anything simi‐
lar totheey elet. The eyelet has not been
designed for such a load and may tear. #
Shiftthe transmission toposition 005D. #
Apply theve hicle's parking brake. #
Close all the doors. 17 8
Driving and pa rking
R
Further information on ABS (/ page154)
R Further information on ESP ®
(/ page 154)
Fo r saf etyre asons, Mercedes-Benz recommends
th at you only use bat teries that ha vebeen tested
and appr oved foryo ur vehicle byMercedes-Benz.
These batteries pr ovide inc reased impact pr otec‐
tion toprev ent vehicle occupants from suf fering
acid bu rns should the battery be damaged in an
accident. &
WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros tatic charge can igni tethe highly
ex plosive gas mixture in the batter y. #
Todischar geany electrostatic charge
th at may ha vebuilt up, touch the me tal
ve hicle body before handling the bat‐
te ry. The highly
flammable gas mixture is created while
th e battery is charging and when jump-s tarting.
Make sure that nei ther you nor the battery is
electros tatically charge d.
Elect rostatic charge can occur in thefo llowing
cases, forex ample:
R You are wearing synthetic clo thing.
R There is friction between your clo thing and
th e seat.
R You drag or push the battery across a carpet
or other synthetic materials.
R Youru bth e battery with clo ths or towe ls. &
WARNING Danger of chemical burns
from the battery acid
Battery acid is caustic. #
Avoid contact with the skin, eyes or
clo thing. #
Do not lean overth e batter y. #
Do not inhale battery gases. #
Keep children away from the batter y. #
Immedia tely rinse battery acid off thor‐
oughly with plenty of clean water and
seek medical attention immediately. +
ENVIRONMENTAL
NOTEEnvironmental
damage due toimproper disposal of bat‐
te ries Batteries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries. Obser
vethe saf ety no tes and pr otective meas‐
ures when handling batteries. Risk of
explosion Fire, naked
flames and smoking are
prohibited when handling the batter y.
Av oid creating spar ks. Electrolyte
or battery acid is cor ro‐
sive. Avoid contact with the skin, eyes
and clo thing. Wear suitable pr otective
clo thing, in particular glove s, an apron
and a saf ety mas k.Immedia tely rinse
electrolyte acid splashes off wi th
clean water.If necessar y,seek medi‐
cal advice. We
areye pr otection. Ke
ep children at a safe dis tance. Obser
vethese Operating Instructions. 236
Breakdown assis tance
Obser
vethefo llowing no tes:
R Recharge the battery more frequently in the
fo llowing cases:
- You predominantly drive short dis tances.
- You predominantly drive at low outside
te mp eratures.
- You lea vetheve hicle par kedfo r a lengt hy
period.
In order forth e batteries toachie vetheir max‐
imum possible service life, they must alw ays
be suf ficiently charge d.
R Consult a qualified specialist workshop if you
wish tolea veyour vehicle par ked up for a
long period of time.
R When you park theve hicle, remo vetheke y if
yo u do not require any elect rical consumers.
The vehicle will then use very little energy,
th us conserving bat tery powe r.
R Ifyo ur vehicle requ ires jump-s tarting, or if you
wish toprov ide jump-s tarting assis tance to
ano ther vehicle, only use the jump-s tart con‐
nection point in the engine compartment
(/ page 237).
Installation locations
Yo ur vehicle may be equipped with thefo llowing
two batteries located in the seat base of the
ri ght-hand front seat, depending on the equip‐
ment version:
R Starter battery
R Suppo rtbattery St
arting assistance and charging the12 V
battery &
WARNING Risk ofexplosion from a fro‐
zen battery
A dischar ged battery may freeze at temp era‐
tures slightly abo veor below freezing point.
During starting assis tance or battery charg‐
ing, battery gas can be released. #
Always allow a battery tothaw before
ch arging it or per form ing starting assis‐
ta nce. If
th ewa rning/indicator lamps do not light up in
th e instrument clus ter at temp eratures around or
below freezing, it is highly probable that the dis‐
ch arge d battery has frozen. In
this case, obser vethefo llowing points:
R do not give theve hicle starting assis tance or
ch arge the battery
R the service life of a battery that has been
th awe d may be reduced drastically
R thest arting behaviour may de teriorate, par‐
ticularly at low temp eratures
R it is recommended that you ha veath awed
battery checked at a qualified specialist work‐
shop &
WARNING Risk ofexplosion during
ch arging process and starting assis tance
During thech arging process and starting
assis tance, the battery may release an explo‐
sive gas mixture. #
Avoid fire , naked flames, creating
spar ksand smoking. #
Make sure there is suf ficient ventilation. #
Do not lean over a batter y. &
WARNING Danger of chemical burns
from the battery acid
Battery acid is caustic. #
Avoid contact with the skin, eyes or
clo thing. #
Do not lean overth e batter y. #
Do not inhale battery gases. #
Keep children away from the batter y. #
Immedia tely rinse battery acid off thor‐
oughly with plenty of clean water and
seek medical attention immediately. St
arting assistance
* NO
TEDama gecaused bynume rous or
ex tended attempts tostart the engine Nume
rous or extended attempts tostart the
engine may damage the catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extended attem pts
to start the engine. Do not use a
rapid charging device tostart the
ve hicle. If your vehicle's battery is dischar ged,
th e engine can be jump-s tarted from ano ther
ve hicle or from a donor battery using jump leads.
Fo rth is purpose, theve hicle has a jump-s tart
connection point in the engine compartment. Breakdown assis
tance 237
#
Insert theke y into the ignition loc k,start the
engine and let it runfo r se veral minutes. #
Before disconnecting the jump leads, switch
on an electrical consumer in your ow nve hi‐
cle, e.g. there ar wind owheater or the light‐
ing. #
Disconnect the negative term inal clamp of
th e jump lead from ear thcontact 4and
th en from negative term inal 2ofthe donor
batter y. #
Disconnect the positive term inal clamp of the
jump lead from positive term inal 5onthe
jump-s tart connection point, and then from
positive term inal 3ofthe donor batter y.
Con tact pr otection co ver1 is automatically
re turned forw ards toits original position by
th e spring forc e and the jump-s tart connec‐
tion point is closed. #
Position the co ver on positive term inal 3of
th e donor batter y. #
Have the battery checked at a qualified spe‐
cialist workshop.
Charging the12 V battery
* NO
TEDama getothe electronics caused
by non-app rove dch arging devices Charging a
fitted battery wi tha battery
ch arge r which has not been appro vedby
Mercedes-Benz can damage the on-board
electronics. #
Only use a battery charge r which has
been appro vedby Mercedes-Benz and
which permits charging the battery
when it is fitted in theve hicle. #
Only charge the battery using the jump-
st art connection point. A battery
charge r specially adapte dfor
Mercedes-Benz vehicles and tested and appr oved
fo r Mercedes-Benz is available as an accesso ry.
Fu rther information is available from any
Mercedes-Benz Service Cent re.Re ad the operat‐
ing instructions foryo ur charge r before charging
th e batter y.
Re charge the battery more frequently if you use
th eve hicle mainly for short trips and/or drive at
low outside temp eratures. #
Connect the battery charge rto the positive
te rm inal and ear thcontact in the same order
as when connecting the donor battery in the
jump-s tarting procedure. %
If a battery is not
fitted and not in service,
yo u should charge itev ery thre e months. This
helps tocounteract self-discharging and pre‐
ve nt damage tothe batter y.
12 V battery care
* NO
TEBattery discharge due toleakage
cur rents Dirty battery
term inal clamps and battery sur‐
fa ces cause lea kage cur rents. This can lead
to the battery discharging. #
Keep the battery term inals and battery
sur faces clean and dr y. *
NO
TEDama getothe battery housing
due toimproper cleaning If
yo u use cleaning agents con taining fuel,
th ese can damage the battery housing. #
Do not use cleaning agents containing
fuel. *
NO
TEDama getothe battery due toself-
dischar ge If dirt
gets into the battery cell, the self-dis‐
ch arge ofthe battery is increased and the
battery can be damaged. #
Only clean the battery with the cell caps
scr ewed in. Obser
vethefo llowing points on battery care: #
Regular lych eck the battery term inals and the
fast ening of the negative cable tothech assis
to ensure that they are firm lyseated. #
Lightly grease the undersides of the battery
te rm inal clamps with acid- resis tant grease. #
Only clean the battery housing with commer‐
cially available cleaning agents. Disconnecting and
removing the star ter bat‐
te ry &
WARNING Risk ofexplosion from hydro‐
ge nga s igniting
There is a danger of hydrogen gas igniting
when charging the battery if there is a short
circuit or spar ksstart toform. Breakdown assis
tance 239
Open seat base (e
xamp le:right-hand front seat) #
Remo vescr ews5 from holder 6. #
Remo veholder 6. #
Remo ve ve nt hose 4from theto p of the bat‐
te ry. #
Pull the battery out of the seat base until the
negati ve terminal clamp can be released and
re mo ved. #
Disconnect the negative term inal clamp from
negative term inal 3. #
Remo vethe negative term inal clamp in such a
wa yth at the battery term inal clamp no longer
to uches negative term inal 3. Example:
star ter battery #
Remo vethe battery from the seat base and
place it on the door sill as shown. If neces‐
sar y,hold the battery byhandles 9. #
Remo vethe clamp co ver of positive term inal
8. #
Remo vepositive term inal clamp 8from pos‐
itive term inal 7. #
Remo vepositive clamp 8in such a wayth at
it no lon gerto uches positive term inal 7. #
Lift the battery out of the door sill byhandles
9. Connecting and
fitting the star ter battery &
WARNING Risk ofexplosion from hydro‐
ge nga s igniting
There is a danger of hydrogen gas igniting
when charging the battery if there is a short
circuit or spar ksstart toform. #
Make sure that the positive term inal of
th e connected battery does not come
into contact with vehicle parts. #
Never place me tal objects or tools on a
batter y. #
The described order of the battery
clamps must be obser ved when con‐
necting and disconnecting the batter y. #
When giving starting assistance, alw ays
make sure that you on lyconnect battery
te rm inals with identical polarity. #
During starting assis tance, you must
obse rveth e described order for con‐
necting and disconnecting the jump
lead. #
Do not connect or disconnect the bat‐
te ry cla mp s while the engine is running. *
NO
TEDama getothe on-board electron‐
ics due toreve rsing the battery clamps Incor
rectly connecting the battery can dam‐
age the on-board electronics. #
Always connect the battery as descri‐
bed in thefo llowing sequence. Ne ver
re ve rseth ete rm inal clamps. The
following description on connecting and fit‐
ting the battery uses theex ample of thest ar ter
battery in the seat base of theright-hand front
seat. Example:
star ter battery #
Place the battery on the door sill as shown
and secure with handles 3if necessar y. Breakdown assis
tance 241
Switching on/off
byremo tecontrol... 13 2
Axle load ................................................ .268 B
Back support see Lumbar support (4-w ay)
Ball coupling Attach ing............................................ 17 7
Ball neck Removing........................................... .178
BA S (Brake Assist Sy stem)................... .154
Battery Care................................................... 237
Charging............................................. 237
Charging a vehicle batter y.................. 237
Connecting and fitting thest ar ter
battery................................................2 41
Disconnecting and removing the
st ar ter battery.................................... 239
Jump -star ting (vehicle)....................... 237
Ke y...................................................... .50
No tes (vehicle)................................... 235
Re mo tecontrol (s tationary heat‐
ing/ventilation).......................... 129, 13 3
Belt see Seat belt
Belt warning
see Seat belt
Blind Spot Assist Function.............................................. 174
Switching on/of f................................ 174
Sy stem limitations.............................. 174
Bottle holder........................................... 100
Brake ABS (anti-lock braking sy stem)........... 154
Ac tivating/deactivating the HOLD
function.............................................. 16 5
Ac tive Brake Assi st............................. 15 6
Ad aptive brake lights......................... .158
BA S (Brake Assi stSystem)................. 154
Braking with parking brake:................1 38
Downhill gradient............................... 13 8
Driving no tes.............................. 137, 13 8
EBD (Electronic Brakeforce Distri‐
bution)................................................ 15 6
Heavy and light loads........................ .138
HOLD function................................... .165
New brake discs and brake pads/
linings................................................. 13 8
New/replaced brake disks and
brakepads..........................................1 36Re
stricted braking ef fect (salt-trea‐
te dro ads).......................................... .138
Ru nning-in no tes................................ 13 6
We tro ad sur faces.............................. 13 8
Brake Assist System
see BAS (Brake Assi stSystem)
Brake Assistance see BAS (Brake Assi stSystem)
Brake fluid
No tes.................................................. 274
Brakeforce Dist ribution
EBD (Elect ronic Brakeforce Distri‐
bution)................................................ 15 6
Brakes Post-collision brake.............................. 36
Breakdown Changing a whee l............................... 259
Re covering theve hicle.......................2 44
To w starting........................................ 24 6
To wing away (bo thaxles on the
ground )...............................................2 44
To wing away (raised front or rear
axle )................................................... 24 5
Tr ansporting theve hicle..................... 24 5
Ve hicle stuck..................................... .244
Breakdown see Flat tyre
Buttons on the steering wheel .................. 8 C
Camera see Reversing camera
Car wash
see Care
Car wash (care)...................................... 227
Car-to-X-Communication Displaying hazard warnings................ 204
Care Automatic car wash............................ 227
Carpe t................................................ 230
Displ ay............................................... 230
Exterior lighting.................................. 229
High-pressure cleaner........................ 227
Instrument clu ster.............................. 230
Matt finis h.......................................... 228
Pa int.................................................. .228
Pla stic trim........................................ .230
Re alwo od/trim elements.................. 230
Re versing camera.............................. .229
Re versing camera/360° Camera....... 229
Ro of lining..........................................2 30 Index
313