
SA
's Cus tomer Assis tance Center at 800-FOR-
MERC.
Fo r Canada, please contact MBC’s Cust omer
Assis tance Center at 1-800-387-0 100.
Cust omer requ ests for co vered information
should be submitted via the same channels.
Fo r accident clarification purposes, thefo llowing
measures can be take n up toan hour af terthe
emer gency call has been initia ted:
R The cur rent vehicle position can be de ter‐
mined
R Avo ice connection totheve hicle occupants
can be es tablished Flat tire
Note
s onflat tires &
WARNING Risk of an accident when driv‐
ing wi thaflat tire
A flat tire greatly impairs driving characteris‐
tics, as well as steering and braking. #
Do not drive with a flat tire. #
Remo vetheflat tire and ins tallthe
spare wheel or consult a qualified spe‐
cialist workshop. In
theeve nt of a flat tire you ha vethefo llowing
possibilities depending on your vehicle's equip‐
ment:
R Vehicles with Mercedes PRO connec t:in
th eeve nt of a flat tire, you can call Roadside
Assis tance via theRo adside Assis tance call
button in theov erhead cont rol panel
(/ page 171).
R Allvehicles: change the wheel
(/ page 251). Batte
ry Note
s onthe12 V battery &
WARNING Risk of an accident due to
wo rkcar ried out incor rectly on the bat‐
te ry
Wo rkcar ried out incor rectly on the battery
can, forex ample, lead toa short circuit. This
can lead tofunction restrictions in saf ety-re l‐
eva nt sy stems, forex ample the lighting sys‐
te m, ABS (anti-lock braking sy stem) or ESP ® (Elect
ronic Stability Prog ram). The operating
saf ety of your vehicle may be restricted.
Yo u could lose control of theve hicle in the
fo llowing situations:
R when braking
R intheeve nt of ab rupt steering maneuvers
and/or when theve hicle's speed is not
adap tedto thero ad conditions #
Intheeve nt of a sho rtcircuit or a simi‐
lar incident, contact a qualified special‐
ist workshop immediately. #
Do not continue driving. #
Always ha vewo rkon the battery car ried
out at a qualified specialist workshop. R
Further information on ABS (/ page137)
R Further information on ESP ®
(/ page 138)
Me rcedes-Benz recommends that you ha vethe
12 V battery replaced at a qualified specialist
wo rkshop, e.g. at an authorized Mercedes-Benz
Center.
Should youwa nttoreplace the battery yourself,
obse rveth efo llowing information:
R Alwaysre place a defective battery with a bat‐
te ry which fulfills theve hicle's specific
re qu irements.
R Use de tach able parts such as theve nt hose,
elbow fitting or term inal co ver from the bat‐
te ry to be replaced.
R Make sure that theve nt hose is al ways con‐
nected toits original opening on the battery
side.
Ins tallth eex isting or newly supplied stop
plugs.
Otherwise, gases or battery acid could
escape.
R Make sure that the de tach able parts are con‐
nec ted in the same way as before.
Fo r saf etyre asons, Mercedes-Benz recommends
th at you only use bat teries that ha vebeen tested
and appr ovedfo ryo ur vehicle byMercedes-Benz.
These batteries pr ovide inc reased impact pr otec‐
tion topreve ntvehicle occupants from suf fering
acid bu rns should the battery be damaged in an
accident. 218
Breakdown assis tance

&
WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros tatic charge can cause spa rks which
may ignite the highly flammable 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. &
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 caused byimproper disposal of
batteries Bat
teries 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. If
th e12 V battery has tobe connected, con tact a
qu alified specialist workshop.
Obser vethe saf ety no tes and pr otective meas‐
ures when handling batteries. Risk of
explosion Fire, open
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.
If yo u do not use theve hicle for a long period or
drive short dis tances regular ly:
R connect the battery toach arge rre commen‐
ded for Mercedes-Benz.
R consult a qualified specialist workshop todis‐
connect the battery St
arting assistance and charging the12 V
battery #
Always use the jump-s tart connection point in
th e engine compartment when charging the
battery and jump-s tarting.
* NO
TEDamaging the battery thro ugh
ove rvoltage When
charging using a battery charge r with‐
out a maximum charging voltage, the battery
or theve hicle electronics may be damaged. #
Only use battery charge rs with a maxi‐
mum charging voltage of 14.8 V. Breakdown assis
tance 219

*
NO
TEDama gedue toincor rect connec‐
tion #
Only connect theto w rope or tow bar to
th eto wing eyes. %
Yo
u can also secure theto wing device tothe
trailer hitch.
* NO
TEDama geand risk of accident when
to wing with a tow rope There is a
risk of an accident if you do not
obse rve saf ety and pr otective measures when
to wing using a tow rope.
Obser vethefo llowing points when towing
with a tow rope: #
Secure theto w rope on the same side
on bo thvehicles, if possible. #
Make sure theto w rope does not
exc eed the legally prescribed length. #
Mark theto w rope in the middle, e.g.
with a white clo th(30 x 30 cm). This
makes other road users aware that a
ve hicle is being towe d. #
Obser vethe brake lamps of theto wing
ve hicle while driving. Alw ays maintain a
dis tance that ensures theto w rope does
not sag. #
Do not use steel cables or chains to tow
yo ur vehicle. Otherwise, you could dam‐
age theve hicle. #
Deactivate automatic locking (/ page 45).#
Do not activate the HOLD function. #
Deactivate theto w- aw ay alarm (/ page57). #
Deacti vate Active Brake Assi st (/ page 141). #
Vehicles with automatic transmission:
shift the automatic transmission toposition
005C. #
Release the parking brake. &
WARNING Risk of accident due tolimi‐
te d saf ety-re lated functions during the
to wing process
Saf ety-re lated functions are limited or no lon‐
ge rav ailable in thefo llowing situations:
R the ignition is switched off.
R the brake sy stem or po werst eering sys‐
te m is malfunctioning. R
the energy supply or the on-board electri‐
cal sy stem is malfunctioning.
When your vehicle is then towe daw ay, signifi‐
cantly more ef fort may be requ ired tosteer
and brake than is normally required. #
Use a tow bar. #
Make sure that thesteering wheel can
mo vefreely, before towing theve hicle
aw ay. *
NO
TEDama gedue toexc essive tractive
po wer If
yo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged. #
Pull away slowly and smoo thly. To
wing a vehicle with the front or rear axle
ra ised *
NO
TEDama gewhen the ignition is
switched on If
yo u lea vethe ignition switched on when
to wing theve hicle with the front or rear axle
ra ised, ESP ®
actuation can damage the brake
sy stem. #
The ignition must be switched off. *
NO
TEDama gedue toincor rect remo val
or ins tallation of the propeller shafts When ins
talling the propeller shafts, they can
be damaged if you do not use new sc rews.
Alw ays use new scr ews when ins talling the
propeller shafts.
Only ha vethe propeller shafts ins talled or
re mo vedby qualified, skilled personnel. %
If
th e front axle is damaged, raise theve hicle
at the front axle and if there ar axle is dam‐
aged, raise theve hicle at there ar axle.
% Ve
hicles with automatic transmission
and rear wheel drive: ifth ere is a malfunc‐
tion, the automatic transmission may be
loc ked in position 005D.
If th e automatic transmission cann otbe shif‐
te dto position 005C, transport theve hicle
(/ page 227). A towing vehicle with lifting
equipment is requ ired forve hicle transport. 226
Breakdown assis tance

cannot acce
ptresponsibility forth is type of dam‐
age.
Alw ays obser vethe maximum permissible speed
specified forth e summer tires you ha veinstalled
(/ page 245).
Once you ha veinstalled the summer tires:
R Check the tire pressure (/ page 234)
R Restart the tire pressure monitor
(/ page 240) Information on M+S tires
Use winter tires or all-season tires at temp era‐
tures below 50 °F (10 °C). Bo thtypes of tire are
identi fied bythe M+S marking.
Only winter tires bearing the004D snowflake
symbol in addition tothe M+S marking pr ovide
th e best possible grip in wintry road conditions.
On lythese tires will allow driving saf ety sy stems
such as ABS and ESP ®
to function optimal lyin
winter. These tires ha vebeen de veloped specifi‐
cally for driving in sno w.
Use M+S tires of the same make and tread on all
wheels tomaintain safe handling characteristics.
Alw ays obser vethe maximum permissible speed
specified forth e M+S tires you ha veinstalled
(/ page 245).
If yo u ins tall M+S tires that ha vea lo wer maxi‐
mum permissible speed than the maximum
design speed of theve hicle, af fix an appropria te
wa rning sign in the driver's field of vision. Yo u
can obtain this at a qualified specialist workshop.
Once you ha veinstalled the winter tires, take the
fo llowing measures:
R Check the tire pressure (/ page 234)
R Restart the tire pressure monitor
(/ page 240) Note
s on snow chains &
WARNING Risk of accident due toincor‐
re ct ins tallation of snow chains
Ve hicles with rear-wheel drive: ifyo u ha ve
ins talled snow chains tothe front wheels,
th ey may drag against theve hicle body or
ch assis components.
This could cause damage totheve hicle or the
tires. #
Never ins tall snow chains on the front
wheels. #
Only ins tall snow chains on there ar
wheels in pairs. #
Vehicles with twin tires: installthe
snow chains tothe outer wheels. &
WARNING Risk of accident due to
unsuitable sn ow chains
Ve hicles with all-wheel drive do not ha vesuf‐
fi cient clea rance on the front axle for com‐
mercial lyavailable sn ow chains.
When you ins tall commercially available sn ow
ch ains, the snow chains may come loose and
damage chassis components or brake hoses. #
Only ins tall snow chains appr ovedby
Mercedes-Benz forth ese tires. Fo
r saf etyre asons, Mercedes-Benz recommends
th at you only use sn owchains that ha vebeen
ch ecked and appr oved.You can obtain informa‐
tion about sn ow chains from any qualified spe‐
cialist workshop.
* NO
TEDama getothe wheel trim from
mounted snow chains If sn
ow ch ains are moun tedto steel wheels,
th e wheel trims can be damaged. #
Remo vethe wheel trims of steel wheels
before mounting snow chains. Obse
rveth efo llowing no tes when using snow
ch ains:
R Snow ch ains are only permissible for cer tain
wheel/tire combinations. You can obtain
information on them at a qualified specialist
wo rkshop.
R For saf etyre asons, only use sn owchains that
ha ve been specifically appr ovedfo ryo ur vehi‐
cle byMercedes-Benz, or snow chains with
th e same quality standard.
R The sn owchains must be retightened af ter
driving appr oximately 0.6 miles (1 km). This is
th e only wayto ensure the snow chains are
optimally seated with clearance toadjacent
components.
R Vehicles with all-wheel drive: install snow
ch ains on the wheels on there ar axle. On
ve hicles with twin tires, ins tallth e snow
ch ains on the outer wheels. Obser vethe man‐
ufacturer's ins tallation instructions. Wheels and tires
233

R
Use snow chains only when thero ad sur face
is comple tely sno w-covered. Re mo vethe
snow chains as soon as possible when you
come toaro ad that is not sn ow-co vered.
R Local regulations may restrict the use of
snow chains. Obse rveth e applicable regula‐
tions before ins talling snow chains.
R Activate all-wheel drive be fore driving off with
snow chains (/ page119).
R If sn ow ch ains are ins talled, the maximum
permissible speed is 30 mph (5 0 km/h).
R Vehicles with Parking Assis t:do not use
Pa rking Assist PARKTRONIC if sn ow chains
are ins talled.
% You can deactivate ESP ®
to pull away
( / page 138). This all ows the wheels to
spin, achieving an increased driving forc e. Ti
re pressure Note
s on tire pressure &
WARNING Risk of accident due toinsuf‐
fi cient or excessive tire pressure
Underinfla ted or overinfla ted tires pose the
fo llowing risks:
R The tires may bur st, especially as the load
and vehicle speed increase.
R The tires may wearexcessively and/or
une venly, which may greatly impair tire
traction.
R The driving characteristics, as well as
st eering and braking, may be greatly
impaired. #
Comply with there commended tire
pressure and check the tire pressure of
all tires including the spare wheel regu‐
larly:
R at least once a month
R when the load changes
R before embarking on a lon ger journey
R if operating conditions change, e.g. off-
ro ad driving #
Adjust the tire pressure as necessar y.Driving wi
thtire pressure that is too high or too
low can:
R Shor tenth e service life of the tires. R
Cause increased tire damage.
R Adversely af fect handling characteristics and
th us driving saf ety, e.g. due to hydroplaning. &
WARNING Risk of an accident due to
insuf ficient tire pressu re
Ti re s with pressure that is too low can over‐
heat and bur stas a result.
In addition, they also suf fer from excessive
and/or ir regular wear, which can significantly
impair the braking properties and the han‐
dling characteristics. #
Avoid excessively low tire pressures in
all the tires, including the spare wheel. Ti
re pressure which is too low can cause:
R Tire malfunctions as a result of overheating
R Impaired handling characteristics
R Irre gular wear
R Increased fuel consum ption &
WARNING Risk of accident from exces‐
sive tire pressure
Ti re s with excessively high pressure can bur st
because they are damaged more easily by
highw ayfill, pot holes etc.
In addition, they also suf fer from ir regular
we ar, which can significantly impair the brak‐
ing properties and the handling characteris‐
tics. #
Avoid excessively high tire pressures in
all the tires, including the spare wheel. Excessively high tire pressure can
result in:
R Increased braking dis tance
R Impaired handling characteristics
R Irre gular wear
R Impaired driving com fort
R Susceptibility todamage &
WARNING Risk of accident caused by
re peated drop in tire pressure
If th e tire pressure drops repeatedly, the
wheel, valve or tire may be damaged.
Insuf ficient tire pressu recan cause the tires
to bur st. #
Inspect the tire for signs of fore ign
objects. 234
Wheels and tires

re
placement or alternate tires or wheels on
th eve hicle that pr event the TPMS from func‐
tioning proper ly.
Alw aysch eck the TPMS malfunction warning
lamp af terre placing one or more tires or
wheels on your vehicle toensure that the
re placement or alternate tires and wheels
allow the TPMS tocontinue tofunction prop‐
er ly. The sy
stem checks the tire pressure and thete m‐
perature of the tires ins talled totheve hicle by
means of a tire pressure sensor.
New tire pressure sensors, e.g. in winter tires,
are automatically taught-in thefirs t time they are
driven.
The tire pressure and the tire temp erature appear
in the multifunction display (/ page165).
If th ere is a subs tantial loss of tire pressure, a
wa rning is issued:
R via display messages (/ page 290)
R viathe0077 warning lamp in the instrument
clus ter
It is the driver's responsibility toset the tire pres‐
sure tothere commended cold tire pressure suit‐
able forth e operating situation. Set the tire pres‐
sure for cold tires using a tire pressu regauge.
No tethat the cor rect tire pressure forth e cur rent
ope rating situation mu stfirs t be taught-in tothe
tire pressure moni toring sy stem.
In most cases, the tire pressure monitoring sys‐
te m will automatically update the new refere nce
va lues af teryo u ha vechanged the tire pressure.
Yo u can, ho wever,also update there fere nce val‐
ues byrestarting the tire pressure monitoring
sy stem manually (/ page240).
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing situations:
R ifth e tire pressure is set incor rectly
R ifth ere is a sudden pressure loss caused by a
fo re ign object penetrating the tire, forex am‐
ple
R ifth ere is a malfunction caused byano ther
ra dio signal source
Make sure toobser vethefo llowing fur ther rela‐
te d subject:
R Notes on tire pressure (/ page 234) Checking
the tire pressure with the tire pres‐
sure monitoring sy stem
Requ irements:
R The ignition is switched on
On-board computer: 4 Service 5
Tires
One of thefo llowing displa ysappears:
R The cur rent tire pressure and tire temp era‐
ture of the individual wheels Instrument Display with color display
R The cur rent tire pressure for each wheel Instrument Display with black
and white display
R Tire pressure will be displayed after driving a
few minutes :th ete ach-in process of the sys‐
te m is not yet compl ete. The tire pressure are
already being monitored. #
Compare the tire pressure with there com‐
mended tire pressure forth e cur rent ope rat‐
ing condition . Obser vethe no tes on tire tem‐
perature (/ page 234).
% The
values displa yed in the multifunction dis‐
play may deviate from those of the tire pres‐
sure gauge as they referto sea le vel.At high
altitudes, the tire pressure values indicated
by a pressure gauge are higher than those
shown bythe on-board computer. In this
case, do not reduce the tire pressure. Wheels and tires
239

Make sure
toobser vethefo llowing fur ther rela‐
te d subject:
R Notes on tire pressure (/ page 234)
Rest arting the tire pressure monitor
Requ irements:
R The recommended tire pressure is cor rectly
set forth ere spective operating condition on
each of the wheels (/ page 234).
R Re
start the tire pressure monitoring sys‐
te m in the following situations:
- The tire pressure has changed.
- The wheels or tires ha vebeen changed or
newly ins talled.
On-board computer: 4 Service 5
Tires #
Scroll down in the menu.
The Use Current Pressures as New Refer-
ence Values message appears in the multi‐
function displa y. #
Con firm the message toinitiate a restart.
The Tire Press. Monitor Restarted message
appears in the multifunction displa y.
Cur rent wa rning messages are dele ted and
th e0077 yellow warning lamp goes out.
Af teryo u ha vedriven for a few minutes, the
sy stem checks whe ther the cur rent tire pres‐
su res are within the specified range. The cur‐
re nt tire pressures are then accep ted as ref‐
erence values and monitored.
Make sure toobser vethefo llowing fur ther rela‐
te d subject:
R Notes on tire pressure (/ page 234) Ra
dio-equipment appr oval of the tire pres‐
sure monitoring sy stem
Ra dio equipment appr oval numbers Countr
yRadio equipment appr oval
number
Canada IC: 4008C- TSSRE4A
Ope ration is subject tothefo llow‐
ing two conditions:
(1) this device may not cause
harmful inter fere nce, and
(2) this device must acce ptany
inter fere nce received, including
inter fere nce that may cause
undesired operation.
Mexic oM odel:TSSRE4A & TSSSG4G6,
IFETEL: RLVHUTS17-0806
US AF CC ID:YGOTSSRE4A
This device complies wi th Part15
of the FCC Rules. Operation is
subject tothefo llowing two con‐
ditions: (1) this device may not
cause harmful inter fere nce, and
(2) this device must acce ptany
inter fere nce received, including
inter fere nce that may cause
undesired operation.
WA RNING: Any changes or modi fi‐
cation not expressly appr ovedby
th e party responsible for compli‐
ance could void the user's author‐
ity tooperate this equipment. Loading the
vehicle Ti
re and Loading Information placard &
WARNING Risk of an accident when driv‐
ing wi than ove rloaded tire
Overloaded tires may overheat and bur stas a
consequence. Overloaded tires can also
impair thesteering and handling characteris‐
tics and lead tobrake failure. #
Obser vethe load rating of the tires. #
The load rating mu stbe at least half the
gross axleweight rating of theve hicle.
Mercedes-Benz recommends you use
th e load-bearing index, which is given in
th eve hicle documents. 240
Wheels and tires

Maximum permissible pa
yload weight: nomi‐
nal load and luggage load plus 150 lbs (68 kg)
multiplied bythe number of seats in theve hicle. Changing a wheel
Note
s on selecting, installing and replacing
tires Yo
u can ask for information rega rding permit ted
wheel/tire combinations at a qualified specialist
wo rkshop. &
WARNING Risk of accident due toincor‐
re ct sizes of wheels and tires
If wheels and tires of the wrong size are used,
th e wheel brakes or wheel suspension com‐
ponents may be damaged. #
Alwaysre place wheels and tires with
ones that fulfill the specifications of the
original part.
Fo r wheels, pay attention tothefo llowing:
R Designation
R Type
R Perm issible wheel load
R Wheel of fset
Fo r tires, pay attention tothefo llowing:
R Designation
R Manufacturer
R Type
R Load-bearing index
R Speed rating &
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. *
NO
TEVehicle and tire damage thro ugh
tire types and sizes that ha venot been
appr oved Fo
r saf etyre asons, only use tires, wheels and
accesso ries which ha vebeen specially
appr ovedby Mercedes-Benz foryo ur vehicle.
These tires ha vebeen specially adap tedfor
use with the cont rol sy stems, such as ABS or
ESP ®
.
Otherwise, cer tain properties, such as han‐
dling characteristics, vehicle noise and con‐
sum ption could be adversely af fected. Fur‐
th ermore, other tire size could result in the
tires rubbing against the body and axle com‐
ponents when loaded. This could result in
damage tothe tire or theve hicle. #
Only use tires, wheels and accessories
th at ha vebeen checked and recommen‐
ded byMercedes-Benz. *
NO
TEDriving sa fety put at risk by retrea‐
ded tires Re
treaded tires are not checked or recom‐
mended byMercedes-Benz, as pr evious dam‐
age is not alw ays de tected du ring there tread
process.
Driving sa fety cannot, therefore, be guaran‐
te ed. #
Do not use used tires when their pr evi‐
ous usage is unknown. *
NO
TEDama getoelectronic component
parts thro ugh the use of tire-ins talling
to ols Ve
hicles with a tire pressure monitoring
sy stem: there are electronic component
parts in the wheel. Tire -ins talling tools should
not be applied in the area of theva lve.
Otherwise, the electronic component parts
could be damaged. #
Always ha vetires changed at a qualified
specialist workshop. Ac
cesso ries that are not appr ovedfo ryo ur vehi‐
cle byMercedes-Benz, or are not being used cor‐
re ctly, can impair ope rating sa fety. 248
Wheels and tires