1
! ABS malfunction →
562
2 #! Turn signal indicators →
12 9
3 h Tyre pressure monitor →
571
4 Speedom eter →
254
5 Multifunction display →
259
6 # Electrical fault →
568
7 L Distance warning →
568
8 J Brakes (red) →
562
9 J Brakes (yellow) →
562
A ! Electric parking brake applied (red) →
562
B ! Electric parking brake (yellow) →
562
C % Diesel engine: preglow
D ; Engine diagno stics →
568 E
å ESP®
OFF →
562
÷ ESP®
→
562
F 6 Restra int sy stem →
33
G R Rear fog light →
12 8
H K High beam →
12 9
L Low beam →
127
T Standing lights →
127
I Fuel le vel display
J æ Fuelreser vewith fuel filler cap location
indicator →
568
K Ð Powe r-assis tedsteering malfunction →
572
L ü Seat belt not fastened →
567
M ï Trailer hit chnot operational →
572 At
aglance – Indicator and warning lamps 11
1
Speedom eter →
254
2 #! Turn signal indicators →
12 9
3 ï Trailer hit chnot operational →
572
4 Multifunction display →
259
5 6 Restra int sy stem →
33
6 Rev counter →
254
7 å ESP®
OFF →
562
÷ ESP®
→
562
8 R Rear fog light →
12 8
9 K High beam →
12 9
L Low beam →
127
T Standing lights →
127
A ? Coolant too hot/cold →
568
B Coolant temp erature display →
254
C ! Electric pa rking brake (yellow) →
562 D
J Brakes (yellow) →
562
E # Electrical fault →
568
F L Distance warning →
568
G ! ABS malfunction →
562
H Ð Powe r-assis tedsteering malfunction →
572
I h Tyre pressure monitor →
571
J % Diesel engine: preglow
K æ Fuelreser vewith fuel filler cap location
indicator →
568
L Fuel le vel display
M ! Electric parking brake applied (red) →
562
N ü Seat belt not fastened →
567
O J Brakes (red) →
562
P ; Engine diagnostics →
568 At
aglance – Indicator and warning lamps 13
Problem
Possible causes/consequences and M
MSolutions #
Wait at least ten seconds be fore re starting the engine. #
Switch the transmission toposition h. #
Have the transmission checked at a qualified specialist workshop immediatel y.Re
fuelling Re
fuelling theve hicle &
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. #
Change immediately out of clo thing that
has come into con tact wi thfuel. &
WARNING Risk offire or explosion from
elect rostatic charge
Electros tatic charge can crea tespar ksand
th ereby ignite fuel vapours. #
Before you open the fuel filler cap or
ta ke hold of the pump nozzle, touch the
me tallic vehicle body.
This dischar ges any electros tatic charge
th at may ha vebuilt up. 174
Driving and pa rking
1
Fuelfiller flap
2 Brac ketfo rth e fuel filler cap
3 Fuel type
4 Tyre pressure table
5 QR code forre scue card #
Press on there ar area of fuel filler flap 1. #
Turn the fuel filler cap anti-clockwise and
re mo veit. #
Insert the fuel filler cap into brac ket2. #
Comp lete ly inse rtthe pump nozzle into the
ta nk filler nec k,hook in place and refuel. #
Only fill th e fuel tank until the pump nozzle
switches off.
% Vehicles with a diesel engine: theta nk
fi ller neck is designed forre fuelling at diesel
fi lling pumps.
% Vehicles with a diesel engine: whenthe
fuel tank is compl etely em pty, top up with at
least 5 litres of diesel.
% Vehicles with a diesel engine: use afiller
neck with a lar gediame terfo rve hicles with
a diesel engine when topping up fuel from a
fuel can. Otherwise, thefiller neck cannot
slide into theta nk. #
Replace the cap on thefiller neck and turn
clockwise until it engages audibl y. #
Close the fuel filler flap. 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 496). Driving and parking
17 7
Opening
theAd Blue ®
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. 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. Driving and parking
17 9
#
Unscr ew and close disposable hose 1and
Ad Blue ®
re fill canis ter2 inreve rse order. #
Replace theAd Blue ®
fuel 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
the front wheels so that theve hicle
ro lls towa rdsth eke rb if it starts
moving.
R apply the parking brake.
R vehicles with automatic transmis‐
sion: shift the transmission toposi‐
tion j.
R vehicles with manual transmission:
engage firs t1 orreve rsege ar k. &
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. &
WARNING Risk of accident and inju ry
due tochildren and animals left unat ten‐
ded in theve hicle
If yo u lea vechildren and animals unat tended
in theve hicle, they may be able toset the
ve hicle in motion, forex ample by:
R releasing the parking brake 18 0
Driving and pa rking
%
In addition tothe multifunction display 2,
fur ther conte nt can be shown on displ ays1
and 3(/ page 258).
The segments on speedome ter1 indica tethe
sy stem status forth efo llowing:
R Cruise control (/ page 201)
R Limiter (/ page 202)
R Active Dis tance Assi stDISTRONIC
(/ page 205)
* NO
TEEngine damage due toexc essively
high engine speeds The engine will be damaged if
you drive with
th e engine in theov errevving range. #
Do not drive wi th the engine in theove r‐
re vving range. The fuel supply will be inter
rupted toprotect the
engine when there d mark on there v counter
(o ve rrev ving range) is reached.
Ve hicles with widescreen cock pit:during nor‐
mal operating conditions, the coolant temp era‐
ture display may rise to120 °C. &
WARNING Danger of bu rns when open‐
ing the 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 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. Overview of
the but tons on thest eering
wheel 1
¤ Back/Home button (press and hold),
on-board computer
2 Touch Control, on-board co mputer
3 Control panel for cruise control/limiter or
Ac tive Dis tance Assi stDISTRONIC
4 Control panel for MBUX multimedia sy stem:
£ LINGU ATRO NIC
ß Displa ysfavo urites
VO L: control knob, adjusts thevo lume or
switches the sound off 8(press)
6 Makes/accepts a call Instrument Display and on-board computer
255
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
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
A220
A 250 43.0 lit
res
or
51 .0 litres
A 220 4MATIC
A 250 4MATIC 51
.0 litres
All other models 43.0 litres Model
of whichreser ve
fuel
All model s5 .0 litres Ad
Blue ® Note
s onAdBlue ®
Obser vethe no tes on operating fluids
(/ page 496).
Ad Blue ®
is a wate r-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines. *
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 acco rdance with
ISO 22 241. #
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 ®
. 500
Tech nical da ta