&
WARNING Risk offire due toflammable
materials on hot parts of theex haust
sy stem
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem. #
When driving on unpa vedro ads or off-
ro ad, regular lych eck theve hicle under‐
side. #
Remo vetrapped plants or other flam‐
mable material, in particular. #
Ifth ere is damage, consult a qualified
specialist workshop immediately. When driving off-road, subs
tances su chas sand,
mud and water orwate r mixed with oil may get
into the brakes. This may lead toare duction in
braking ef fect or total brake failure as a result of
increased wear. The braking characteristics will
va ry depending on the material that has entered
th e sy stem. Clean the brakes af ter driving off-
ro ad. If youth en notice reduced braking ef fect
or hear scraping noises, ha vethe brake sy stem
ch ecked at a qualified specialist workshop. Ad
just your driving style to thech anged braking
ch aracteristics.
* NO
TEDama gecaused bydriving over
obs tacles The
vehicle can be damaged by:
R driving up on high kerbs or unpa ved
ro ads.
R quickly driving over obs tacles su chas
ke rbs, speed bumps or po tholes.
R heavy objects hitting the underbody or
ch assis components. #
Do not drive over obs tacles that could
damage theve hicle. #
Check theve hicle regular lyfor dama ge
during off-road driving. #
Adjust theve hicle speed tosuit the
ro ad sur face conditions. #
Ifth ere is damage, consult a qualified
specialist workshop immediately. +
ENVIRONMENTAL
NOTEEnvironmental
dama gedue tonon-obser vance of pro‐
hibition signs Environmental pr
otection has priority. Treat
nature with respect. #
Be sure toobser veprohibition signs. Checklist before driving off-road
Check
thefo llowing points before driving off-
ro ad:
R Fuel le vel
R Vehicles with a diesel engine: AdBlue ®
le vel
R Engine oil le vel:fill engine oil up tothe maxi‐
mum le velto ensure full gradeability
(/ page 479).
R Tyre-change tool kit and spare wheel
R Tyres and wheels
Off-road driving
Re ad this section before driving your vehicle off-
ro ad. Practise bydriving over more gentle off-
ro ad terrain firs t. Driving and pa
rking 17 9
Ad
Blue ®
(vehicles with a diesel engine on ly)Note
s onrefilling AdBlue ®
* NOTEWhen you open theAd Blue ®
tank,
small amounts of ammonia vapour may
escape. #
Only fill th eAd Blue ®
tank in well-venti‐
lated areas. #
Do not let AdBlue ®
come into contact
wi th skin, eyes or clo thes. #
Keep AdBlue ®
aw ay from children. *
NOTEDo not ingest AdBlue ®
. If
Ad Blue ®
is swallo wed: #
Immediately rinse out your mouth thor‐
oughl y. #
Drink plenty of water. #
Seek medical attention immediately. Obser
vethe no tes on operating fluids
(/ page 541). Ad
Blue ®
is a water-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 properly, 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. %
Ensure the connection between there fill
con tainer and vehicle filler neck does not
drip.
To pping up AdBlue ®
* NOTEEngine dama gedue toAd Blue ®
being in the fuel #
AdBlue ®
must not be used tofill the
fuel tank. #
Only use AdBlue ®
to fill th eAd Blue ®
ta nk. #
Do not overfill theAd Blue ®
tank. *
NO
TEContamination of theve hicle inte‐
ri or due toAd Blue ®
lea kage #
Afterto pping up, carefully close the
Ad Blue ®
re fill con tainer. #
Avoid car rying AdBlue ®
re fill con tainers
permanently in theve hicle. Re
quirements:
R The vehicle is unloc ked. Driving and parking
197
The
following messages appear in order in the
multifunction display when theAd Blue ®
tank
re qu ires topping up:
R Refill AdBlue See Owner's Manual . The
Ad Blue ®
tank is down tothere ser veleve l.
R Top up AdBlue Emergency op. in XXX miles
See Owner's Manual .Yo u can on lydrive the
ve hicle overth e dis tance shown. The
Ad Blue ®
tank is down tothere ser veleve l.
R Top up AdBlue Perf. reduced: XXX km/h No
start in XXX km. You can on lydrive theve hi‐
cle overth e dis tance shown. Top up AdBlue ®
as soon as possible.
R Refill AdBlue No start in XXX km. You can
on lydrive theve hicle overth e dis tance
shown. Top up AdBlue ®
as soon as possible.
R XX,X l Top up AdBlue Engine start not possi-
ble. The vehicle can no longer be star ted.
Yo u can see theAd Blue ®
ra nge and le vel in the
multifunction display (/ page 288).
% The AdBlue ®
ra nge shown depends strongly
on the driving style and operating condi‐ tions. The actual
range can therefore deviate
from the calculated range.
Opening the AdBlue ®
filler cap #
Press on the back area of fuel filler flap 1. #
Turn AdBlue ®
filler cap 2anti-clockwise and
re mo veit. %
You can also store theAd Blue ®
filler cap in
th e fuel filler cap holder in the fuel filler flap
hin gearm.
Prepa ring theAd Blue ®
re fill canis ter #
Screw onthefast ener of AdBlue ®
re fill canis‐
te r2. #
Screw disposable hose 1onto the opening
of Ad Blue ®
re fill canis ter2 until hand-tight. 19 8
Driving and pa rking
To
pping up AdBlue ® #
Screw disposable hose 1onto thefiller
neck of theve hicle until hand-tight. #
Lift up and tip AdBlue ®
re fill canis ter2.
The filling process stops when theAd Blue ®
ta nk is compl etely full.
Ad Blue ®
re fill canis ter2 can be remo ved
when it has been only partially em ptied. #
Unscr ew and close disposable hose 1and
Ad Blue ®
re fill canis ter2 inreve rse order. #
Replace theAd Blue ®
filler cap and turn it
clockwise. #
Close the fuel filler flap. #
Swit chon the ignition for at least 60 sec‐
onds.
% Ifth eve hicle could not be star ted as the
Ad Blue ®
tan kwa s em pty, it can take up to
60 seconds forth ere fill to be de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re fill con tainers per‐
manently in theve hicle. Pa
rking Pa
rking theve hicle &
WARNING Risk of accident and inju ry
caused byan insuf ficiently secu redve hi‐
cle rolling away.
If th eve hicle is not securely par ked suf fi‐
ciently, it can rollaw ay in an uncont rolled
wa yev en at a slight downhill gradient. #
Ensure that the par kedve hicle is alw ays
properly secured against rolling away as
fo llo ws: R
on uphill or downhill gradients, turn
th e front wheels so that theve hicle
ro lls towa rdsth eke rb if it starts
moving.
R apply the parking brake.
R switch the transmission toposition
j. &
WARNING Risk offire caused byhot
ex haust sy stem parts
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem or
ex haust gasflow. #
Park theve hicle so that no flammable
material can come into con tact wi thhot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. Driving and parking
19 9
Fu
rther displa yson the multifunction display:
Z Gearshift
recommendation (/ page 192)
ë Active Parking Assist activated
(/ page 261)
é Parking Assist PARKTRONIC deacti vated
( / page 250, 249, 250)
¯ Cruise control (/
page 222)
È Limi
ter (/ page 223)
ç Active Dis tance Assi stDISTRONIC
(/ page 228)
æ Ac
tive Brake Assi st (/ page 221)
è Active Steering Assist (/ page 234)
à Ac
tive Lane Keeping Assist (/ page273)
± Active Lane Change Assi st (/ page 236)
è ECO
start/ stop function (/ page181)
ë HOLD fu
nction (/ page 240)
_ Ad
aptive Highbeam Assist (/ page146)
Ad aptive Highbeam Assist Plus
(/ page 147)
ð Maximum pe rmissible speed exceeded
(for cer tain countries only) Ve
hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (/ page 268). Ad
justing the in stru ment lighting #
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements of theve hicle interior is
adjus ted. Menus and submenus
Fu
nctions on the service menu of the on-
board compu ter On-board computer:
4 Service #
Toselect the function: swipe upwards or
down wards on the left-hand Touch Control. #
Press the left-hand Touch Control.
Fu nctions on theServicemenu:
R Message memory (/ page 554)
R AdBlue :Ad blue ®
ra nge and fill le vel
R Tyres:
- Restart the tyre pressure loss warning
sy stem (/ page 525)
- Check the tyre pressure with the tyre
pressure monitor (/ page519)
- Restart the tyre pressure monitor
(/ page 520)
R ASSYST PLUS: call up the service due date
(/ page 474) 288
Instrument Displ ayand on-board computer
+
ENVIRONMENTAL
NOTEEnvironmental
pollution caused byenvironmen tally ir re‐
sponsible disposal #
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. Operating
fluids include thefo llowing:
R fuels
R DeNOx agent AdBlue ®
forex haust gas af ter‐
treatment
R lubri cants
R coolant
R brake fluid
R windsc reen washer fluid
R climate cont rol sy stem refrigerant
Only use products app rove dby Mercedes-Benz.
Damage caused bythe use of products that ha ve
not been appr oved is not co veredby the
Mercedes-Benz warranty or goodwill gestures.
Yo u can identify operating fluids appr ovedby
Mercedes-Benz bythefo llowing insc ript ions on
th e conta iner: R
MB- Freigabe (e.g. MB-Fr eigabe 229.51 )
R MB-Appr oval (e.g. MB-App rova l 229.51)
Fu rther information on appr oved operating fluids
is available at thefo llowing locations:
R inthe Mercedes-Benz Specifications for
Operating Fluids byentering the designation
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, naked flames, smoking and crea‐
tion of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. &
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel. #
Keep doors and windo wsclosed du ring
th ere fuelling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. 542
Tech nical da ta
#
Consult a qualified specialist workshop. The
following compatibility indication for fuel
applies to yourvehicle: 1
For diesel fuel with a maximum of 7% byvol‐
ume bio-diesel (fatty acid me thyl es ter)
Ac cording toEuropean standard EN 1694 2you
can find the compatibility indications at thefo l‐
lowing locations:
R onthe instruction label on the fuel filler flap
(/ page 193)
R onthe fuel pump or pump nozzle suitable for
yo ur vehicle thro ughout Europe Information on low outside
temperatures
Re fuel your vehicle with as much winter diesel
fuel as possible at the beginning of winter.
Before changing overto winter diesel fuel, the
fuel tank should be em pty, if possible. When first
re fuelling with winter diesel fuel, only refuel
using a small amount, e.g. toreser veleve l. The
fuel tank can be filled as usual when next refuel‐
ling.
Fu rther information on fuel can be obtained at a
fi lling station or a qualified specialist workshop.
Ta nk content and fuel reser ve
The total capacity of the fuel tank may vary,
depending on theve hicle equipment. Capacity Model
Total capacity
GLC 200
GLC 200 4M ATIC
GLC 300 4MATIC
GLC 400 d 4MATIC 66.0 litres
All other models 50.0 litres
or
66.0 litres Model
of whichreser ve
fuel
All model s7 .0 litres Ad
Blue ® Note
s onAdBlue ®
Obser vethe no tes on operating fluids
(/ page 541).
Ad Blue ®
is a wate r-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines. 544
Tech nical da ta
*
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. #
Only use AdBlue ®
in accordance wi th
ISO 222 41 . #
Do not dilu teAd Blue ®
wi th wate r. #
Do not use additive-enhanced AdBlue ®
. *
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 #
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 ®
tan k,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.
Ad Blue ®
filling capacity and consum ption
To tal capacity of AdBlue ®
tank Mode
lT otal capacity
All models 27.5 litres Ad
Blue ®
consu mption
Like fuel consu mption, AdBlue ®
consu mption is
highly dependent upon driving style and operat‐
ing conditions. Forth is reason, your vehicle's
actual consum ption figures under normal operat‐
ing conditions may dif fer from the consum ption
fi gures calculated. AdBlue ®
consu mption is
between 1% and 5% of fuel consumption. Ha veth
eAd Blue ®
supply checked at a qualified spe‐
cialist workshop before making journe ysoutside
of Europe. Before a longer stay outside of
Europe, consult a qualified specialist workshop.
Display theAd Blue ®
ra nge and le vel
( / page 288). Engine oil
Note
s on engine oil
Obser vethe no tes on operating fluids
(/ page 541). Te
ch nical da ta545