%
If
th ef ront-compartmen tsystemh as already
been switched on and ther ear-compartment
sy stem has been switched off, youc an
swit chit on byturning up thef an on ther ear-
compartment menu. If thef ront-compart‐
ment sy stem is switched on, ther ear-com‐
partment sy stem will automaticall yswitc hon
as well. Ad
justin gthe rear comp artment climat econ‐
trol Re
quirements:
R The climat econtrol sy stem has been
switched on (/ page95).
Switching on thet emperatur eand airflow
and adju sting dual-zone and 3-zone automatic
climat econtrol #
Press the /
00A4 button.
The indicator lam ponthe /00A4
but‐
to na nd the /
00A4 symbol on thec li‐
mat econt rols ystemd ispla ywillflash.
The displa yswit ches tothet emperatur eand
th eb lowe rint herear menu. #
Use rocker switches 0082and0097 toset
th er equired temp eratur eand air flow onthe
re ar menu.
% If
th er ea resignificant dif fere nces between
th et emperatur esettings of thef ront and rear
sy stems, these cann otbe controlled accu‐
ra tely.
% If
th er ear compartment climat econtrol has
been swit ched off, youc an swit chit on auto‐
matically bypressing the0015 button.
Dependin gonthevehicle equipment, climate
contro lswitches on theo verhead air-conditioning
sy stem or rear compartment heating as requ ired:
R Ve
hicles with an overhead air-condition‐
ing sy stem: ther ear compartment can be
cooled onl y.
R Ve
hicles with rear comp artment heating:
th er ear compartment can be heated onl y.Switching of
frear compa rtment air condition‐
ing with dual and 3-zone automatic climate
control #
Press the /
00A4 button. #
Ifth ei ndicator lam ponthe /00A4
but‐
to na nd the /
00A4 symbol on thec li‐
mat econt rols ystemd ispla yflash, se tthe air‐
fl ow to0ont herear menu.
% Indicator lam
pon:rear compartment climate
control has been swit ched on.
Indicator lam poff:r ear compartment climate
control has been switched off.
Indicator lam pflashes: thes etting mode of
th er ear compartment climat econtrol is
active. Swit
ching theA /C function on and off Re
quirements:
R The climat econtrol sy stem has been
switched on (/ page95).
The A/C function cont rols thec limat eand dries
th ea ir inside thev ehicle. #
Press the005A button.
% Switc
hofftheA /C function onl ybrief ly.O th‐
erwise, thew indo wscould fogupf aster.
% Condensation ma
yleak from theu nderside of
th ev ehicle in cooling mode. This is no tasign
of ad efect. Au
tomaticall yregulating climat econtrol Re
quirements:
R The climat econtrol sy stem is switched on
(/ page95).
Switching on automatic climat econtrol
In automatic mode, thet emperature, air flow and
air distribution ar eregulated and kept cons tant. #
Press the0058 button.
The displa ywill sho wthe temp erature. The
air flow and air distribution will disappear from
th ed ispla y.
If th er ear-compartment climat econtrol has
been swit ched on, thes etting fort he rear
compartment is car ried over. 96
Climat econt rol
#
Toopen or close: turnthe adjustment
wheels 1ontheh igh-po werairve nts tothe
lef torr ight as farast heyw ill go.
% Cooled air will
flow out of theh igh-po werair
ve nts. Heating will no tbep ossible .Opent he
high-po werairve nts only in summer du ring
cooling mod eand keep them closed in win‐
te r. Ad
justin gairve nts in ther oof air duct In
vehicles wit hrear-compartment air condition‐
ing, adjus table air vents ha vebeen integrated in
th er oof air duct. #
Adjustin gthe air flow: if necessar y,open or
close thea irflaps in air vents 1. #
Adjustin gthe air distribution: turna irve nts
1 tother equired position. Ve
ntilation nozzles in ther ear &
WARNING ‑Danger of bu rnsorf rostbite
due tobeing tooc lose tothea irve nts
Ve ry hotorv eryc old ai rcan flow from thea ir
ve nts.
Thi scould result in burns or frostbit einthe
immediat evicinity of thea irve nts. #
Makesur ethat all vehicle occupants
alw aysm aintain asufficient dis tance to
th ea irve nts. #
If necessa ry,d irect thea irflow to
ano ther area of thev ehicle interior. Depending on
thev ehicle equipment, ther ew ill
be an air duct or aheater wit hadditional air noz‐
zles in ther ear foot we ll on thel eft-hand side 1.
No object smaybe placed there. Passengers
mus tmaintain asufficient dis tance du etothe
wa rm airflow and air intake. Au
xiliar yheating Fu
nction of thea uxiliar yheating &
DANG ER Risk of fata linjur ydue topoi‐
sonous exhaus tgases
If th et ailpipe is bloc kedors ufficient ventila‐
tion is no tpossible ,poisonous exhaus tgases
suc hasc arbon monoxide ma yenter thev ehi‐
cle. This is thec ase in enclosed spaces or if
th ev ehicle getsstuc kins now, fore xamp le. #
Alwayss witc hthe stationar yheater off
in enclosed spaces without an air
ex traction sy stems, e.g. in garage s. Climate
control 99
If
yo uh ave tocar ryout an yworkint he engine
compartment, touc ho nlyt he following compo‐
nents:
R Hood
R Engine oil filler openin gcap
R Washer fluid reser voir cap
R Coolant expansion reser voir cap &
WARNING Danger of bu rnsw hen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheated or during afireint he engine com‐
partment, youc oul dc om eintoc ontact wi th
ho tg ases or other escaping operating fluids. #
Befor eopening theh ood, allo wthe
engine tocool down. #
Inthee vent of afireint he engine com‐
partment, keep theh ood closed and call
th ef ires ervice. &
WARNING Risk of scalding from hot
coolant
The engine cooling sy stem is pressurized,
particular lywhen thee ngine is warm.Ify ou
open thec ap, youc oul dbes calded byhot
coolant spr aying out. #
Letthe engine cool down befor eopen‐
ing thec ap. #
When opening thec ap, wear pr otective
gl ove sand saf etyg lasses. #
Open thec ap slowl ytorelease pres‐
sure. Allo
wthe engine and thee ngine cooling sy stem
to cool down befor echecking thec oolant le velor
re filling coolant.
* NO
TEPaint wo rkdamag eduetocoolant If coolant
getsonp ainted sur faces, thep aint‐
wo rkcan be damaged. #
Addc oolant carefully. #
Remo vespilledc oolant. Checking
thec oolant le vel Example: coolant
expansion reser voir #
Park thev ehicle on an even sur face. #
Ope nthe hood (/ page173). #
Slow ly tu rncoolant expansion reser voir cap
1 half aturnc oun ter-clockwise and allow
exc ess pressur etoescape. #
Turn coolant expansion reser voir cap 1fur‐
th er and remo veit. #
Chec kthe coolant le vel.
Ther eise nough coolan tincoolan texpansion
re ser voir if thec oolant reaches theM AX
mar k.
Ad ding coolant #
Refill th ec oolant totheM AX mar konthe
coolant expansion reser voir.
Onl yuse coolan tappr oved byMercedes-Benzto
avo id damagin gthe engine cooling sy stem. #
Replace coolant expansion reser voir cap 1
and tigh tenina clockwise direction. #
Startt he engine. #
Aftera pproxima tely five minutes, switc hoff
th ee ngine again and allo wittocool down. #
Che ckthec oolant le vela ga in and add coolant
if necessar y.
% Obser
veadditional coolant information
(/ page239). 17 8
Maintenance and care
&
WARNING ‑Riskoff irea nd injur yfrom
antifreeze
If antifreez ecomes int ocontact wi thhotc om‐
ponent parts in thee ngine compartment, it
ma yignite. #
Allo wthe engine tocool down before
adding antif reeze. #
Mak esuret hat no antifreeze spills out
next tothef iller opening. #
Thoroughl yclean of fany antifreeze from
componen tparts befor estartin gt he
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only ad dcoolant that has been pre‐
mixed wit hthe requ ired antifreeze pro‐
te ction. Information on coolant is
available at thef ollow‐
ing locations:
R intheMBS pecification sfor operating fluids
31 0.1
- at http://be vo.mercedes-benz.com
- intheB eVoa pp
R ataq ualified specialis tworks hop
* NO
TEOverheating at high outsid etem‐
peratures If an inappropriat
ecoolant is used, thee ngine
cooling sy stem is no tsufficiently pr otected
agains toverheating and cor rosion at high out‐
side temp eratures. #
Alwaysu seac oolant appr ovedby
Mercedes-Benz. #
Obser vethei nstruction sinthe MB
Specifications foro perating fluids3 10.1 . *
NO
TEPaint wo rkdamag eduetocoolant #
Do no tspill coolant on painted sur faces. Ha
ve thec oolant regularly replaced at aqualified
specialis tworks hop.
No tethep roportion of anti-cor rosion agent/anti‐
freeze in thee ngine cooling sy stem within thef ol‐
lowing temp eratur eranges:
R Atleas t50% (antifreeze pr otection up to
about -3 5°F(-37° C)) R
Maximum 55 %(antifreez eprotection up to
-49 °F (-45 °C))
Coolant capacities
Engine coolin gsystem Engine
Coolant
M2 74 approx.3 .0 gal
(1 1. 5l iters)
OM642 approx. 2.6 gal
(1 0l iters)
OM65 1a pprox.2 .5 gal
(9.5 liters) Wi
ndshield washer fluid Note
sonw indshield washer fluid
Obser vethen otes on operating fluids
(/ page233). &
WARNING ‑Riskoff irea nd injur yfrom
windshiel dwashe rconcentrate
Wi ndshield washer concentrat eishighlyflam‐
mable. It could ignit eifitcomes int ocontact
wi th hote ngine component parts or the
ex haus tsystem. #
Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening. *
NO
TEDama getothee xterio rlighting
due tounsuitable windshield washer fluid Uns
uitable windshield washer fluid ma ydam‐
ag et he plastic sur face of thee xterio rlighting. #
Onlyuse windshield washer fluid which
is also suitable foru se on plast ic surfa‐
ces, e.g. MB SummerFit or MB Winter‐
Fit. *
NO
TEBlocked spr aynozzle scaused by
mixing windshield washer fluids #
Do no tmix MB SummerFit and MB Win‐
te rFit wit hother windshield washer flu‐
ids. Do no
tuse distilled or de-ionize dwater .Other‐
wise, thel eve lsensor ma ygiveaf alse reading. 240
Tech nica ldata
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Stop in asafel ocation immediately and switc hoffthee ngine. #
Consult aqualified specialis tworks hop.
00AC
Coolant Too Hot Stop
Vehicle Turn Engine Off *T
he coolant is tooh ot. #
Stop in asafel ocation immediately and switc hoffthee ngine. &
WARNING Danger of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or during
af ireint he engine compartment, youc oul dc om eintoc ontact
wi th hotg ases or other escaping operating fluids. #
Befor eopening theh ood, allo wthe engine tocool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. &
WARNING Risk of scalding from ho tcoolant
The engine cooling sy stem is pressurized, particularly when the
engine is warm.Ify ou open thec ap, youc oul dbes calded byhot
coolant spr aying out. #
Letthe engine cool down befor eopening thec ap. #
When opening thec ap, wear pr otectiv eglove sa nd saf ety
gl asses. #
Open thec ap slowl ytorelease pressure. #
Wait until thee ngine has cooled down. #
Ensur ethat thea ir supply tothee ngine radiator is no tobstruc‐
te d.
00AC Check Coolant Level See
Operator's Manual *T
he coolant le velist oo lo w. &
WARNING Risk of scalding from ho tcoolant
The engine cooling sy stem is pressurized, particularly when the
engine is warm.Ify ou open thec ap, youc oul dbes calded byhot
coolant spr aying out. #
Letthe engine cool down befor eopening thec ap. #
When opening thec ap, wear pr otectiv eglove sa nd saf ety
gl asses. #
Open thec ap slowl ytorelease pressure. *
NO
TEEngine damag eduetoinsuf ficient coolant #
Avoid long journe yswit hinsuf ficient coolant. #
Topupc oolant (/ page177).
Regeneratio nnot possi-
ble *N
otall condition shave been me tfor rege neration of thed iesel par‐
ticulat efilter . #
Continue driving as normal until all condition shave been me tfor
re ge neration of thed iesel particulat efilter. 258
Displa ymessages and warning and indicator lamps