Page 166 of 609

0007
Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air. 000A
WARNING Risk offire due tohot station‐
ary heater components
When thest ationary heater is swit ched on,
parts of theve hicle can become very hot,
e.g. thest ationary heater exhaust sy stem.
Flammable materials such as lea ves, grass or
twigs may ignite if they come into contact
wi th:
R hot parts of thest ationary heater exhaust
sy stem
R theex haust gas itself
There is a risk of fire. 0007
When thest ationary heater is swit ched
on, make sure that:
R hot vehicle parts do not come into
contact with flammable materials. R
theex haust gas can flow out of the
st ationary heater exhaust pipe
unhindered.
R theex haust gas does not come into
contact with flammable materials. 000E
NO
TEBattery discharge caused bysta‐
tionary heater or stationary ventilation
operation Ope
rating thest ationary heater or stationary
ve ntilation drains the batter y. 0007
After heating or ventilating theve hicle
twice, drive for a longer period of time. Re
quirements:
R The fuel tank is filled toat least reser vefuel
le ve l. 0007
Set the desired temp erature using the0082
button. 0007
Press button 1.
The red or blue indicator lamp on button 1
lights up or goes out.
The colours of the indicator lamp ha vethefo l‐
lowing meaning:
R Blue: stationary ventilation is switched on. Clima
tecontrol 16 3 
     
        
        Page 195 of 609

Ad
Blue ®
(vehicles with a diesel engine on ly)Note
s onrefilling AdBlue ®
000E NOTEWhen you open theAd Blue ®
tank,
small amounts of ammonia vapour may
escape. 0007
Only fill th eAd Blue ®
tank in well-venti‐
lated areas. 0007
Do not let AdBlue ®
come into contact
wi th skin, eyes or clo thes. 0007
Keep AdBlue ®
aw ay from children. 000E
NOTEDo not ingest AdBlue ®
. If
Ad Blue ®
is swallo wed: 0007
Immediately rinse out your mouth thor‐
oughl y. 0007
Drink plenty of water. 0007
Seek medical attention immediately. Obser
vethe no tes on operating fluids
(0013 page477). Ad
Blue ®
is a wate r-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines. In
order forth eex haust gas af tertre atment tofunc‐
tion proper ly, only use AdBlue ®
in accordance
wi th ISO 222 41 .
Ad Blue ®
is ch aracterised bythefo llowing:
R non-t oxic
R colourless and odourless
R non-flammable
Ad Blue ®
is available here:
R AdBlue ®
may be topped up byfast service at
a qu alified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
R AdBlue ®
is available at many filling stations
from AdBlue ®
filling pumps.
R Alternativel y,Ad Blue ®
is available at qualified
specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many filling stations
in Ad Blue ®
re fill canis ters or AdBlue ®
re fill
bottles. 0009
Ensure the connection between there fill
con tainer and vehicle filler neck does not
drip.
To pping up AdBlue ®
000E NOTEEngine dama gedue toAd Blue ®
being in the fuel 0007
AdBlue ®
must not be used tofill the
fuel tank. 0007
Only use AdBlue ®
to fill th eAd Blue ®
ta nk. 0007
Do not overfill theAd Blue ®
tank. 000E
NO
TEContamination of theve hicle inte‐
ri or due toAd Blue ®
lea kage 0007
Afterto pping up, carefully close the
Ad Blue ®
re fill con tainer. 0007
Avoid car rying AdBlue ®
re fill con tainers
permanently in theve hicle. Re
quirements:
R The vehicle is unloc ked. 19 2
Driving and pa rking 
     
        
        Page 485 of 609

Capacity
Model
Total capacity
C 200 (205.280)
C300
C 300 4M ATIC
C 400 4MATIC 66.0 litres
C 300 d
C 300 d 4MATIC 50.0 litres
or
66.0 litres
All other models 41.0 litres
or
66.0 litres Mode
lo f whichreser ve
fuel
All model s7 .0 litres Ad
Blue ® Note
s onAdBlue ®
Obser vethe no tes on operating fluids
(0013 page477).
Ad Blue ®
is a wate r-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines.
000E NO
TEMalfunctions due tothe dilution of
Ad Blue ®
or the use of additive-enhanced
Ad Blue ® The function of
the NOx exhaust gas af ter‐
treatment can be impaire dby the use of
unsuitable denoxification agents. 0007
Only use AdBlue ®
in accordance wi th
ISO 222 41 . 0007
Do not dilu teAd Blue ®
wi th wate r. 0007
Do not use additive-enhanced AdBlue ®
. 000E
NO
TEDama geand malfunctions due to
impurities in AdBlue ® Consequences of impu
rities in AdBlue ®
:
R increased emission values
R damage tothe catalytic con verter
R NOx exhaust gas af tertre atment malfunc‐
tions 0007
Avoid impurities in AdBlue ®
. Ad
Blue ®
re sidues cr ystallise af ter a period of
time, and contamina tethe sur faces wi thwhich
th ey come into contact. Clean the dirty sur faces
wi th wate r as soon as possible.
When you open theAd Blue ®
tank, small
amounts of ammonia vapour may escape. Do
not inhale any ammonia vapours that may be
re leased. Only fill th eAd Blue ®
tank in well-venti‐
lated areas. 482
Tech nical da ta