Page 177 of 681

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
quirements:
R a CR2450 lithium battery #
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. 174
Climate cont rol
Page 178 of 681

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. To
guarantee the fresh air supply thro ugh the air
ve nts into theve hicle interior, comply with the
fo llowing:
R Alw ayske ep theve nts and theve ntilation
grille in theve hicle interior free.
R Keep the air inlet free of deposits
(→ page 494).
R Optimum climate comfort is achie ved with
th e air vents in the cent reposition. Climate control
175
Page 179 of 681
#
Toopen or close: turn controller2tothe
left or right as far as it will go. #
Toadjust the air direction: hold airvent 1
in the cent reand mo veit up or down or to
th e left or right. Ad
justing the rear air vents #
Toopen or close: turn controller2tothe
left or right as far as it will go. #
Toadjust the air direction: hold airvent 1
in the cent reand mo veit up or down or to
th e left or right. Opening or closing
the air vent in thegl ove
box
* NO
TEDama geto te mperature-sensitive
objects in theglove box Te
mp erature-sensitive objects stored in the
gl ove box may be damaged bythe air vent
located inside theglove compa rtment. #
Close the air vent when you heat the
ve hicle. #
Athigh outside temp eratures, open the
air vent and switch on the A/C func‐
tion. Au
tomatic clima tecontrol must be switched on
in order tocool theglove box. 176
Climate cont rol
Page 180 of 681
1
Airvent controller
2 Airvent #
Toopen or close: turn controller1 tothe
left or right. Climate control
17 7
Page 181 of 681

Driving
Swit
ching the po wer supp lyor ignition on
without starting the engine &
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 and become
trapped, forex ample.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
R releasing the parking brake.
R shifting the automatic 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 tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. #
Keep theve hicle key out of reach of
ch ildren. This also applies tothe Digital
Ve hicle Key if the "Digital Vehicle Key"
function is activated via Mercedes me
connect. &
DANG ER Risk of fata l injuries due to
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and can lead topoisoning. #
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 theke y is in theve hicle and is recognised.
R or: a Digi talVe hicle Key is located in the
mar ked space (→ page179).
R the brake pedal is not depressed. 17 8
Driving and pa rking
Page 182 of 681

#
Toswitch on the po wer supp ly:press but‐
to n1 once.
yo u can activate the windscreen wiper, for
ex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
R you open the driver's door.
R you press but ton1 twice. #
Toswitch on the ignition: press button 1
twice.
The indicator lamps in the instrument clus ter
light up.
The ignition is switched off again if one of the
fo llowing conditions is me t:
R you do not start theve hicle within
15 minutes and the transmission is in posi‐
tion jorthe electric parking brake is
applied.
R you press but ton1 once. St
arting theve hicle St
arting theve hicle with thest art/s top but‐
ton
Requ irements:
R theke y is in theve hicle and is recognised.
R or: a Digi talVe hicle Key is located in the
mar ked space and is recognised
(→ page 179). #
shif tth e transmission toposition jori. #
depress the brake pedal and press button 1
once. #
Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
once. #
Ifth eve hicle still does not start and the mes‐
sagePlace the key in the marked space See
Owner's Manual also appears inthe multi‐
function display: start theve hicle in emer‐
ge ncy operation mode (→ page 180).
Yo u can swit choff the engine while driving by
pressing button 1for about thre e seconds or
by pressing button 1thre e times within a sec‐
ond. Be sure toobser vethe saf ety no tes under
"Driving tips".
St arting theve hicle with a Digital Vehicle
Key
Re quirements:
R one of thefo llowing versions of the Digital
Ve hicle Key is available:
- suitable mobile phone
- Digital Vehicle Keyst icker Driving and pa
rking 17 9
Page 183 of 681

R
theve hicle is equipped with the "Digital Vehi‐
cle Key" function.
R the "Digital Vehicle Key" function is activated
via Mercedes me connec t:http://
www.mercedes.me.
R the mobile phone is suf ficiently charge d.
% You can check the suitability of your mobile
phone byentering the phone number at
http://www.mercedes.me.
Information about suitable mobile phones
can be obtained from your Mercedes-Benz
service centre or at http://www.mercedes-
benz.com/connect.
% Mercedes-Benz recommends that you car ry
th e emer gency key in case of function
re strictions.
% The function is only available in combination
with Mercedes me connect and on lyin cer‐
ta in countries.
% Protective cases around the mobile phone
can impair thera nge of functions. Using the Digital
Vehicle Keyfo r the first
time #
Deactivate theke y1 (→page 78). #
Place key1 in mar ked space 2next tothe
symbol 3. #
Place the mobile phone or Digital Vehicle Key
st icke r in the mar ked space for wireless
ch arging (→ page145). #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
Any fur ther starts with th e DigitalVehicle
Key
The key is not needed for any fur ther starts. #
Place the mobile phone or Digital Vehicle Key
st icke r in the mar ked space 1. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
The "Digital Vehicle Key" service can be deacti‐
va ted in Mercedes me connect at http://
www.mercedes.me. The function is then deacti‐
va ted in the mobile phone via an online connec‐
tion. If connection tothe Internet is not possible,
e.g. af terth e mobile phone or the Digital Vehicle
Ke yst icke r has been stolen, theke y function can
be deacti vated at a Mercedes-Benz service
centre.
St arting theve hicle in emer gency operation
mode
If th eve hicle does not start and thePlace the
key in the marked space See Owner's Manual
message appears in the multifunction displa y,18 0
Driving and pa rking
Page 184 of 681

yo
u can start theve hicle in emer gency operation
mode. #
Makesure that mar ked space 2is em pty. #
Remo vekey1 from theke yring. #
Place key1 in mar ked space 2next tothe
symbol 3.
The vehicle will start af ter a short time. If
yo ure mo vekey1 from mar ked space 2
th e engine continues running. For fur ther
ve hicle starts ho wever,ke y1 must be loca‐
te d in mar ked space 2next tothe symbol
3 during the entire journe y. #
Have theke y1 checked at a qualified spe‐
cialist workshop.
If th eve hicle does not star t: #
place key1 in mar ked space 2and lea ve
it th ere. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
% You can also swit chon the po wer supp lyor
th e ignition with thest art/ stop button. St
arting theve hicle via Remo teOnline serv‐
ices Cooling or heating
theve hicle interior before
commencing your journey
% This function is not available in all countries. If
yo ustart theve hicle via your smartphone, the
pr ev iously selec ted air conditioning adjustment
is active.
Ensure thefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently filled.
R thest ar ter battery is suf ficiently charge d.
% You can also set thete mp erature with your
smartphone. In form ation on Mercedes me
connect and other services: http://
www.mercedes.me
This function is not available for all models. Ru
nning-in no tes To
preser vethe engine during thefirs t1, 500 km:
R drive at varying road speeds and engine
speeds. Driving and parking
181