
#
Slowly turn the cap half a turn toallow
pressure toescape. #
Park theve hicle on a flat sur face. #
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
70 °C. #
Slowly turn cap 1anti-clockwise torelie ve
ov erpressure. #
Continue turning cap 1anti-clockwise and
re mo veit.
The coolant le vel is cor rect:
R Ifth e engine is cold, up tomar ker bar 2
R Ifth e engine is warm, up to1.5 cm over
mar ker bar 2 #
If necessar y,top up with coolant that has
been tested and appr oved byMercedes-
Benz.
R Further information on coolant (→ page440) To
pping up the windsc reen washer sy stem &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
WARNING Danger of bu rns when open‐
ing the engine bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. #
Before opening the engine bonn et,
allow the engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. Maintenance and care
37 9

Obser
vethefo llowing information: Information on cleaning and car
eAvoiding vehicle damage
Seat belts Clean withwarm wate r and soap solution. R
Do not use chemical cleaning agents.
R Do not dry seat belts byheating them toove r 80 °C or
ex posing them todirect sunlight.
Display Cleanthe sur face carefully wi tha mic rofibre clo thand
TFT/LCD display cleaner. R
Swit choff the display and allow tocool.
R Do not use any other cleaning products.
Plastic trim R
Clean with a damp microfibre clo th.
R Ifth e trim is very dirty: use a cleaning agent recommen‐
ded byMercedes-Benz. R
Do not apply sticke rs,fi lms etc.
R Do not allow cosmetics, insect repellent or sun cream to
come in contact wi th the plastic trim.
Genuine wood/t rim
elements R
Clean wi tha mic rofibre clo th.
R Blackpiano-lac quer look: clean with a damp clo thand
soap solution.
R Ifth e trim is very dirty: use a cleaning agent recommen‐
ded byMercedes-Benz. Do not use solvent-based cleaning agents, polishes or
waxes.
Ro of lining
Clean with a brush or dry shampoo.
Carpet Use carpet andtextile cleaning agents recommended by
Mercedes-Benz. 386
Maintenance and care

Flat ty
re Note
s onflat tyres &
WARNING Risk of accident due toaflat
tyre
A flat tyre se verely affects the driving charac‐
te rist ics as well as thesteering and braking
of theve hicle.
Ty res without run-flat characteristics: #
Do not drive on with a flat tyre. #
Chan getheflat tyre immediately with
th e emer gency spa rewheel or spare
wheel. Alternativel y,consult a qualified
specialist workshop.
Ty res with run-flat characteristics: #
Obse rveth e information and warning
no tes on MOExtended tyres (run-flat
tyres). In
theeve nt of a flat tyre, thefo llowing options
are available depending on your vehicle's equip‐
ment:
R Vehicles with MOExtended tyres: it is pos‐
sible tocontinue the journey for a short
period of time. Make sure you obse rvethe
no tes on MOExtended tyres (run-flat tyres)
(→ page 390).
R Vehicles with a TIREFIT kit: you can repair
th e tyre so that it is possible tocontinue the
jou rney for a short period of time. Todo this,
use the TIREFIT kit (→ page 392).
R Vehicles with a Mercedes-Benz emer‐
ge ncy call sy stem: intheeve nt of a flat
tyre, consult the Mercedes-Benz emer gency
call sy stem Cus tomer Assis tance Centre.
R Change the wheel (→ page 422).
% The emer gency spa rewheel is only available
in cer tain countries. MOExtended tyres (run-
flat tyres) Wi
th MOExtended tyres (run-flat tyres), you can
continue todrive your vehicle even if there is a tot
al loss of pressure in one or more tyres. How‐
eve r,th e tyre af fected must not show any clearly
visible damage.
Yo u can recognise MOExtended tyres bythe
MOExtended marking which appears onthe side
wa ll of the tyre.
Ve hicles with tyre pressure loss warning sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure loss
wa rning sy stem.
Ve hicles with tyre pressure monitoring sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure mon‐
itoring sy stem.
If a pressure loss warning message appears in
th e multifunction display:
R Check the tyres for dama ge
R If driving on, obser vethefo llowing no tes &
WARNING Risk of accident when driving
in run-flat mode
When driving in run-flat mode, the handling
ch aracteristics are impaired. e.g. when cor‐ 390
Breakdown assistance

The tyre pressure
table sho ws there commended
tyre pressure for all tyres appro vedfo rth is vehi‐
cle. The recommended tyre pressures apply for
cold tyres under various operating conditions,
i.e. loading and/or speed of theve hicle.
If one or more tyre sizes precede a tyre pres‐
sure, the tyre pressure information following is
only valid forth ose tyre sizes. If
th e preceding tyre sizes are complemented by
th e+ symbol, the tyre pressure information
fo llowing sho wsalternative tyre pressures.
These tyre pressures may impr oveyour vehicle's
ri de comfort. Fuel consum ption may then
increase slightl y.
The load conditions "partially laden" and "fully
laden" are defined in theta ble for dif fere nt num‐
be rs of passengers and amounts of luggage. The
actual number of seats may dif fer from this.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (→ page410) Ty
re pressure moni toring sy stem Fu
nction of the ty repressure moni toring sys‐
tem
The sy stem checks the tyre pressure of the tyres
fi tted totheve hicle bymeans of a tyre pressu re
sensor.
New tyre pressure sensors, e.g. in winter tyres,
are automatically taught-in thefirs t time they are
driven. The tyre pressure appears in
the multifunction
display (→ page 257).
If th ere is a subs tantial pressure loss or if the
tyre temp erature is excessive, a warning will be
given:
R Via display messages (→ page 481).
R Viath eh warning lamp in the instrument
clus ter (→ page 516).
It is the driver's responsibility toset the tyre
pressure tothere commended cold tyre pressure
suitable forth e operating situation. Set the tyre
pressure for cold tyres using a tyre pressu re
ga uge. Notethat the cor rect tyre pressure for
th e cur rent operating situation mu stfirs t be
ta ught-in tothe tyre pressure monitoring sys‐
te m.
In most cases, the tyre pressure monitoring sys‐
te m will auto matically update the new refere nce
va lues af teryo u ha vechanged the tyre pressure.
Yo u can, ho wever,also update there fere nce val‐
ues byrestarting the tyre pressure monitoring
sy stem manually (→ page413). 412
Wheels and tyres

Sy
stem limitations
The tyre pressure monitoring sy stem does not
issue a warning:
R Ifth e tyre pressure is set incor rectl y.
R Ifth ere is a sudden pressure loss caused, for
ex ample, byafo re ign object penetrating the
tyre.
R Ifth ere is a malfunction caused byano ther
ra dio signal source.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (→ page410)
Checking the ty repressure with the tyre
pressure moni toring sy stem
Requ irements:
R The ignition is switched on.
On-board computer: , Service .
Tyre pressure
One of thefo llowing displa ysappears:
R Cur rent tyre pressure of ea chwheel: R
Tyre pressures will be displayed after a few
minutes of driving
R Tyre pressure monitor active: thete ach-in
process of the sy stem is not yet compl ete.
The tyre pressures are already being moni‐
to re d. #
Compare the tyre pressure with there com‐
mended tyre pressure forth e cur rent operat‐
ing condition (→ page 411). Obse rvethe
no tes on tyre temp erature (→ page410).
% The values displa yed in the multifunction dis‐
play may deviate from those of the tyre pres‐
sure gauge as they referto sea le vel.At high
altitudes, the tyre pressure values indicated by
pressure gauges are higher than those
shown bythe on-board computer. In this
case, do not reduce the tyre pressure.
Make sure you also obse rveth efo llowing related
subjects:
R Notes on tyre pressure (→ page410)
Re starting the ty repressure moni toring sys‐
tem
Re quirements:
R The recommended tyre pressure is cor rectly
set forth ere spective operating condition on
each of thefo ur wheels (→ page410).
Re start the tyre pressure monitoring sy stem in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
newly fitted. Wheels and tyres
413

Count
ryRadio equipment appr oval
number
Радіопередав ачмоделі MFR
системи контролю тиск ув
шині ав томобіля відповідає
вимогам Технічного
регламент урадіообладнання і
телек омунікаційног окінцевого
(термінального )обладнання
(Постанов аКМУ № 679від 24
червня 2009р.)Декларація
відповідн ості знах одиться на
са йті Schrader Electronics та
надається за запит омна
елек трону адре суemc‐
te [email protected]
Uni ted
Arab Emi‐
ra tes TRA
REGISTERED NO :ER3
7156/15.
DEALER NO:DA00470 74/10 Brazil
Es
te equipamento opera em caráter secundário,
is to é, não tem direito à pr oteção contra inter fer‐
ência prejudicial, mesmo de es tações do mesmo
tipo, e não pode causar inter ferê ncia a si stemas
operando em caráter primário. Vi
etnam Ty
re pressure loss warning sy stem Fu
nction of the ty repressure loss warning
sy stem
The tyre pressure loss warning sy stem warnsthe
driver bymeans of display messa ges when there
is a se vere tyre pressu reloss.
Af ter a change in tyre pressure, a wheel rotation
or a wheel change, the tyre pressure loss warn‐
ing sy stem has tobe taught-in again bybeing
re star ted (→ page 417). 416
Wheels and tyres

The tyre pressure loss
warning sy stem does not
re place the need toregularly check the tyre
pressures.
Sy stem limitations
The tyre pressure loss warning sy stem does not
issue a warning:
R Ifth e tyre pressure is set incor rectl y.
R Ifth ere is a sudden pressure loss caused, for
ex ample, byafo re ign object penetrating the
tyre.
R Ifth e pressure loss in se veral tyres decrea‐
ses at the same rate.
The tyre pressure loss warning sy stem has a
limited or dela yed function:
R When thero ad sur face is poo r,e.g. snow or
gr ave l.
R When driving with snow chains.
R When driving in a very sporty driving style
with high cornering speeds or sudden accel‐
eration.
R When towing a very heavy or large trailer.
R When driving with a high load. Be sure
toalso obse rveth efo llowing fur ther
re lated subjects:
R Display messages about the tyres
(→ page 481)
R Notes on tyre pressure (→ page410)
Re starting the ty repressure loss warning
sy stem
Requ irements:
R The recommended tyre pressure is cor rectly
set forth ere spective operating condition on
each of thefo ur wheels (→ page410).
On -boa rdcompu ter:
, Service .
Tyre pressure
The Run Flat Indicator active Restart with OK
messa geis shown in the multifunction displa y.
Re start the tyre pressure loss warning sy stem in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
newly fitted. #
Press atobegin the new start.
The Tyre pressure now OK? message is
shown in the multifunction displa y. #
Select Yes. #
Press atoconfirm there start.
The Run Flat Indicator restarted message is
shown in the multifunction displa y.
Af teryo u ha vedriven for a few minutes, the
tyre pressu reloss warning sy stem monitors
th e set tyre pressures of all the tyres.
Make sure you also obse rveth efo llowing related
subjects:
R Notes on tyre pressure (→ page410) Wheel
change Note
s on selecting, fitting and replacing
tyres Yo
u can ask for information rega rding permit ted
wheel/tyre combinations at a Mercedes-Benz
Service Cent re. Wheels and tyres
417

Ve
hicles with a tyre pressure monitoring
sy stem: If an emer gency spa rewheel is fit‐
te dth e tyre pressure monitoring sy stem can‐
not function reliabl y.Only restart the sy stem
again when the emer gency spa rewheel has
been replaced with a new wheel.
Ve hicles with a tyre pressure monitoring
sy stem: For a few minutes af ter an emer‐
ge ncy spa rewheel is fitted, the sy stem may
st ill display the tyre pressure of there mo ved
wheel.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (→ page410)
R Tyre pressure table (→ page411) Re
moving the eme rgency spa rewheel The eme
rgency spare wheel is secured in the
emer gency spa rewheel bag in the load compart‐
ment. #
Obser vethe information on mounting tyres
(→ page 417). #
Open theta ilgate. #
Detach thefast ening stra ps. #
Unhook there taining spring hooks of thefa s‐
te ning stra ps from the brac kets. #
Remo vethe emer gency spa rewheel bag with
th e emer gency spa rewheel. #
Open the emer gency spa rewheel bag and
re mo vethe emer gency spa rewheel. 428
Wheels and tyres