
Problem
Possible causes/consequences and M
MSolutions
R The key is faulty. #
Activate KEYLESS-GO . #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock theve hicle . #
Have theve hicle and keych ecked at a qualified specialist workshop. Switching
the automatic locking feature
on/off The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
Danger of being loc ked out when the function is
activated:
R Ifth eve hicle is being tow star ted/pushed.
R On a roller dynamome ter. Opening and closing
67

AIRSCARF
warmsth e head and neck area of
ve hicle occupants with warm air. The warm air
fl ow s out of theve nts in the head restra ints. #
Toswitch on/increase the le vel:press but‐
to n1 repeatedly until the desired heating
le ve l is set.
Depending on the heating le vel, up tothree
indicator lamps light up. #
Toswitch off/reduce the le vel:press but‐
to n1 repeatedly until the desired heating
le ve l is set.
If all of the indicator lamps are off, AIRSCARF
is switched off.
% When switching on, the blo werst arts up on ly
af te r a preheating phase which lasts afew
seconds.
Af ter switching off, the blo werru ns on for a
fe w seconds tocool down the heating ele‐
ments.
% Ifth eve hicle battery voltage is too lo w,AIR‐
SCARF may switch off. #
Adjusting the AIRSCARF vent (→ page 140).
Ma kesure that there are no objects co vering the
intake grille on the back of the head restra int. Ste
ering wheel Ad
justing the steering wheel manually &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. &
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel. 98
Seats and stowing

#
4 Ã Automatic driving lights (prefer red
light switch position) #
5 L Dipped beam/main beam #
6 R Switches there ar fog light on or off
When dipped beam is activated, the indicator
lamp forth est anding lights is deactivated and
re placed bythe dipped beam indicator lamp.
Alw ays park your vehicle safely and in a well-lit
area, in accordance with there leva nt le galst ipu‐
lations.
* NO
TEBattery discharging byoperating
th est anding lights Operating
thest anding lights over a period of
hours puts a stra in on the batter y. #
Where possible, switch on the
ri ght X or left Wparking light. In
the case of se vere battery discharging, the
st anding lights or parking lights are automati‐
cally swit ched off tofacilitate a futu reengine
st art. The
exterior lighting (e xcept standing and park‐
ing lights) swit ches off automatically when the
driver's door is opened.
Au tomatic driving lights
The standing lights, dipped beam and daytime
ru nning lights are switched on au tomatical ly
depending on the ignition status, whe ther the
engine is running and on the light conditions. &
WARNING Risk of accident when the
dipped beam is switched off in poor visi‐
bility
When the light switch is set toà ,the
dipped beam may not be switched on auto‐
matically if there is fog, snow or other causes
of poor visibility such as spr ay. #
In such cases, turn the light switch to
L . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting. Ac
tivating/deactivating the rear fog light
Re quirement:
R The light switch is in theL orà posi‐
tion. #
Press the R button.
Please obser vethe count ry-specific la wsonthe
use of rear fog lamps. Light and sight
11 5

#
Tofold in or out: brieflypress button 1.
% Ifth e battery has been disconnected or com‐
ple tely discharged, the outside mir rors must
be reset. Only then will the automatic mir ror
fo lding function workproperly. #
Toadjus t:select therequ ired mir ror using
button 3or4. #
Use button 2toset the position of the mir‐
ro ryo u ha veselected.
An outside mir ror which has been pushed out of
position can be engaged in position again in the
fo llowing manner: #
Vehicles without electrical lyfolding out‐
side mir rors:manually mo vethe outside
mir ror into the cor rect position. #
Vehicles with electrical lyfolding outside
mir rors:press and hold button 1.
Yo u will hear a click and the mir ror audibly
engage in position. The mir ror is set in the
cor rect position. Au
tomatic anti-dazzle mir rors &
WARNING Risk of bu rns and poisoning
due tothe anti-dazzle mir ror electrolyte
Electrolyte may escape if theglass in an
automatic anti-dazzle mir ror breaks.
The electrolyte is harmful and causes ir rita‐
tion. It mu stnot come into contact wi thyour skin,
eyes,respiratory organs or clo thing or
be swallo wed. #
Ifyo u come into contact with electro‐
ly te , obser vethefo llowing:
R Rinse the electrolyte from your skin
and seek medical attention immedi‐
atel y.
R If electrolyte comes into contact
with your eyes, rinse them thor‐
oughly with clean water and seek
medical attention immediately.
R Ifth e electrolyte is swallo wed,
immediately rinse your mouth out
th oroughly. Do not induce vomiting.
Seek medical attention immediately.
R Immedia tely ch ange out of clo thing
which has come into con tact wi th
electrolyte.
R If an allergic reaction occurs, seek
medical attention immediatel y. The outside mir
rors and inside rearview mir rors
on the driver's side automatically go into anti- 12 6
Light and sight

*
NO
TEBattery discharge caused bysta‐
tionary heater or stationary ventilation
operation Ope
rating thest ationary heater or stationary
ve ntilation drains the batter y. #
After heating or ventilating theve hicle
twice, drive for a longer period of time. Re
quirement:
R The fuel tank is filled toat least reser vefuel
le ve l. #
Set the desired temp erature using thew
button. #
Press button 1.
The red or blue indicator lamp in button 1
lights up or goes out.
Indicator lamp colours: R blue: stationary ventilation is switched on
R red: stationary heater is activated R
yello w: departure time is preselected
The stationary heater/ stationary ventilation
switches off au tomatically af ter 50 minutes.
Operation using the App: thest ationary
heater/ ventilation can also be operated via the
Mercedes me connect App. Further information
can be found in the separate Owner's Manual
under http://manuals.daimler.com/baix/cars/
connectme/en_GB/index.html.
Setting thest ationary heater/stationary ven‐
tilation using the multimedia sy stem
Multimedia sy stem:
, Vehicle .
b Climate control .
Aux-
iliary heating
Yo u can pre-set thre e departure times for auto‐
matic activation of thest ationary heater. #
Select an option.
Setting thest ationary heater/stationary ven‐
tilation via remo tecont rol
Re quirement:
R The fuel tank is filled toat least reser vefuel
le ve l. Climate control
13 5

Fu
rther possible displa ys:
R Time: activated departure time.
R Zero minutes: theru nning time forth est a‐
tionary heater is inc reased, as the engine has
not yetre ached operating temp erature when
it is star ted.
R OFF: thest ationary heater/ stationary venti‐
lation is switched off.
Re placing the remo tecont rol bat tery (sta‐
tiona ryheater) &
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing bat teries may cause
serious damage tohealth.
There is a risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
intoxic and cor ro‐
sive subs tances. #
Ta
ke dischar ged batteries to a
qu alified specialist workshop or to a
collection point for used batteries. Re
quirement:
R A CR2450 lithium battery is requ ired when
re placing the batter y. #
Press a pointed object into recess 1. #
Slide battery co ver2 backwards in the
direction of the ar row. #
Insert new battery 3with the lettering
fa cing up wards. #
Slide battery co ver2 inthe opposite direc‐
tion tothe ar row onto there mo tecontrol
until the battery co ver engages. Climate control
137

Problems with
there mo tecont rolfo r the stationary heater/stationary ventilation Problem
Possible causes/consequences and M
MSolutions
FA IL¨ The signal transmission between
the transmit ter and theve hicle is faulty. #
Chan geyour position in relation totheve hicle, moving closer if necessar y.
FA IL Thestar ter battery is not suf ficiently charge d. #
Char gethest ar ter batter y.
The fuel tank content is below there ser vefuel le vel. #
Refuel at the nearest filling station.
FA IL¯ The
stationary heater is malfunctioning. #
Have thest ationary heater checked at a qualified specialist workshop. Air
vents Ad
justing the front air vents &
WARNING ‑ Risk of bu rns/frostbite due
to not maintaining a su fficient dis tance
to the air vents
Ve ry hot or very cold air can flow from the air
ve nts. This could
result in burns or frostbite in the
immediate vicinity of the air vents. #
Alw ays ensure that all vehicle occu‐
pants maintain a suf ficient di stance to
th e air vents. #
If necessa ry,re direct the air flow to
ano ther area of theve hicle interior. 13 8
Climate cont rol

Driving
Swit
ching on the po wer supp lyor ignition
using thest art/s top button &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R Open doo rs,th ereby endangering other
persons or road users.
R Get out of theve hicle and be hit by
oncoming traf fic.
R Ope rate ve hicle equipment.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
R Releasing the parking brake.
R Shifting the transmission out of park
position j.
R Starting the engine. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
me connect web app. #
Keep theke ys out of there ach of chil‐
dren. This also applies tomobile
phones if the "Digital Car Key in the
smartphone" function is activated via
th e Mercedes me connect web app. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning. #
Never lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk offire caused byflam‐
mable material on theex haust sy stem
Flammable materials brought in byeither ani‐
mals or environmen tal influences may ignite
if th ey come into contact wi thhot parts of
th e engine or exhaust sy stem. #
Therefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem. Re
quirements:
R The key is located in theve hicle and thekey
battery is not dischar ged.
R Or if the "Digital Car Key" function is activa‐
te d via the Mercedes me connect web app:
th e mobile phone is located in theve hicle. Driving and parking
141