engine MERCEDES-BENZ CLS COUPE 2020 User Guide

#
Foldthe wiper arms back onto the wind‐
screen. #
Switch on the ignition. #
Press theî button on the combination
switch (/ page130).
The wiper arms will return tothe original
position. #
Switch the ignition off. Maintenance display #
Remo veprotective film 1 from the mainte‐
nance display on the tip of the newly fitted
wiper blades.
When the colour of the maintenance display
ch anges from black to yellow, the wiper blades
should be replaced. %
The duration until the colour changes varies
depending on the usage conditions. Mir
rors Operates
the outside mir rors &
WARNING Risk of accident due to
adjusting vehicle settings while theve hi‐
cle is in motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations in particular:
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 and the mir ror and fas‐
te nyo ur seat belt. 13 2
Light and sight

The electrolyte is hazardous
tohealth and
causes ir rita tion. It mu stnot come into con‐
ta ct wi thyour skin, eyes,respiratory or gans
or clo thing or be swallo wed. #
Ifyo u come into contact with electro‐
ly te , obser vethefo llowing:
R Immediately rinse the electrolyte
from your skin with water and seek
medical attention.
R If electrolyte comes into contact
with your eyes, immediately rinse
th em thoroughly with clean water
and seek medical attention.
R Ifth e electrolyte is swallo wed,
immediately rinse your mouth out
th oroughl y.Do not induce vomiting.
Seek medical attention immediately.
R Immedia tely ch ange out of clo thing
which has been con taminated with
electrolyte.
R If an allergic reaction occurs, seek
medical attention immediatel y. The inside
rearview mir ror and the outside mir‐
ro r on the driver's side will automatically go into
anti-dazzle mode if light from a headlamp hits
th e sensor on the inside rearview mir ror.
Sy stem limits
The sy stem will not go into anti-dazzle mode if:
R the engine is switched off.
R reve rsege ar is engaged.
R the interior lighting is switched on. Fr
ont-passenger outside mir ror parking posi‐
tion function The pa
rking position makes parking easier.
The front-passenger outside mir ror will swivel
down wards in the direction of there ar wheel on
th e front passenger's side when:
R the parking position is stored (/ page135).
R the front-passen ger mir ror is selected.
R reve rsege ar is engaged. The front-passenger outside mir
ror will mo ve
back toits original position when:
R you shift the transmission toano ther trans‐
mission position.
R you are tra velling at a speed greaterth an
15 km/h.
R you press the button forth e outside mir ror
on the driver's side. 134
Light and sight

Overview of climate control sy
stems Note
s on climate control An interior air
filter in combination with the pre‐
fi lter in the engine compartment must alw ays be
used so that the air conditioning sy stem, pollu‐
tion le vel monitoring and the air filtration work
cor rectl y.Make sure that thefilter is ins talled
cor rectly and thefilter housing in the engine
compartment is closed cor rectly using the cap
and alw ays tightly sealed when in operation. Use
fi lters recommended and appr ovedby
Mercedes-Benz. Alw ays ha veservice workcar‐
ri ed out at a qualified specialist workshop. Overview of
the air conditioning control
panel The indicator lamps on
the buttons indicate that
th e cor responding function is activated. THERMATIC air conditioning contro
l panel with/
without stationary heater (e xample)
1 w Setsthete mp erature, left
2 _ Setsthe air distribution
3 H Setsthe air flow or switches off climate
control
4 Ã Sets climate control toautomatic
(/ page 139)
5 ¬ Demists the windscreen 6
Vehicles with THERMATIC air conditioning
contro l panel (without stationary heater):
t calls up the air conditioning menu
Ve hicles with THERMATIC air conditioning
contro l panel (with stationary heater) or
THERMOTRONIC (with/without stationary
heater): !calls up the air conditioning
menu, switches residual heat on/off
(/ page 140)
7 ¤ Switches there ar wind owheater
on/off
8 Vehicles with THERMATIC air conditioning
contro l panel without stationary heater:
0 switches synchronisation on/off
(/ page 139)
Ve hicles with THERMOTRONIC air condition‐
ing contro l panel without stationary heater:
¿ switches the A/C function on/off
(/ page 138)
Ve hicles with a stationary heater: &
swit ches thest ationary heater on/off
(/ page 142)
9 g Switches ai r-re circulation mode on/off
(/ page 140) Clima
tecontrol 137

Demi
sting the windo ws Wi
ndo wsmis ted up on the inside #
Press theà button. #
Ifth e windo wscontinue tomist up: press the
¬ button.
Wi ndo wsmis ted up on the outside #
Switch on the windscreen wipers. #
Press theà button. Switching air-recirculation mode on/off
#
Press theg button.
The interior air will be recirculated.
Air-reci rculation mode automatically swit ches to
fresh air mode af ter some time.
% If air-recirculation mode is switched on, the
windo wsmay mist up more quickl y.Switch
on ai r-re circulation mode only brie fly. Switching
there sidual heat on/off Re
quirements:
R The vehicle is par ked.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilat‐
ing the front compartment of theve hicle for
appr oximately 30 minutes. #
Toswitch on: pressthe! button.
Re sidual heat is switched off automaticall y. Ac
tivating/deactivating ionisation Ionisation impr
oves thequ ality of theve hicle's
interior air. Ionisation of the interior air is odour‐
less. #
Call up the air conditioning menu
(/ page 138). #
Select Air quality. #
Select IONISATION . Fr
ag rance sy stem Setting
the frag rance sy stem
Re quirements:
R Automatic clima tecontrol is acti vated.
R The glove box is closed.
The fragrance sy stem distributes a pleasant fra‐
grance thro ughout theve hicle interior from a fla‐
con located in theglov e box. #
Call up the climate control menu
(/ page 138). #
Select Air quality. #
Select AIR FRESHENER . #
Keep pressing until the desired intensity is
re ached. 14 0
Climate cont rol

Dispose of
thege nuine Mercedes-Benz interior
pe rfume flacon when it is em pty and do not refill
it.
Re fillable flacon #
Unscr ew the cap of the em ptyflacon. #
Filltheflacon with a maximum of 15ml. #
Screw the cap back on totheflacon.
Alw aysre fill th e em ptyre fillable flacon with the
same perfume. Obser vethe separate informa‐
tion sheet with theflacon. Information on
the windscreen heater The windscreen heater is swit
ched on automati‐
cally if the ¬ button is activated.
Af terth eve hicle is star ted, the windscreen
heater is switched on automatically as required. St
ationary heater/ventilation St
ationary heater/stationary ventilation
function
The following functions are per form ed:
R The air inside theve hicle is heated or ventila‐
te dto the set temp erature.
R The air inside theve hicle cannot be cooled
down totemp eratures below the outside
te mp erature.
R Ifth e outside temp erature changes, ventila‐
tion mode au tomatical lyswitches toheating
mode or heating mode automatically
switches toventilation mode.
The stationary heater and theex haust gas outlet
are situated at theright-hand front wheel. Switching
thest ationary heater/ventilation
on/off via the control panel &
DANG ER Risk of fatal injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case in enclosed spaces or if
th eve hicle gets stuck in sn ow,fo rex ample. #
Alw ays switch thest ationary heater off
in enclosed spaces without an air
ex traction sy stems, e.g. in garage s. #
Keep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning. #
Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air. 14 2
Climate cont rol

Fu
rther possible displa ys:
R Time: the activated departure time.
R Zero minutes: theru nning time forth est a‐
tionary heater is extended because the
engine has not yetre ached operating tem‐
perature when it is star ted.
R OFF: thest ationary heater/ ventilation 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 fatal 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 One CR2450 lithium battery #
Push 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
14 5

#
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 more. #
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 &
DANG ER Risk of death caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk offire due toflammable
material in the engine compartment or
th eex haust sy stem
Flammable materials may ignite. #
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. #
Shift the 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.
% You can swit choff the engine while driving
by pressing button 1for about thre e sec‐
onds or bypressing button 1thre e times
within thre e seconds. Be sure toobser vethe
saf ety no tes under "Driving tips"
(/ page 153).
St arting theve hicle with theke y in the
ma rked space (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,
yo u can start theve hicle in emer gency operation
mode. Driving and pa
rking 14 9

#
Make sure that the mar ked space 2is
em pty. #
Remo vetheke y1 from theke yring. #
Place theke y1 inthe mar ked space 2.
The vehicle will start af ter a short time.
If yo ure mo vetheke y1 from the mar ked
space 2the engine continues running. For
fur ther vehicle starts ho wever,th eke y1
must be located in the mar ked space 2dur‐
ing the entire journe y.#
Have theke y1ch ecked at a qualified spe‐
cialist workshop. If
th eve hicle does not star t: #
place theke y1 inthe mar ked space 2
and lea veitth ere. #
Depress the brake pedal and start theve hi‐
cle 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
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 full.
R The star ter battery is suf ficiently charge d. Charging
thest ar ter battery be fore starting
th e jou rney
If th eve hicle battery is dischar ged, you can
re cei vea message on your smartphone. You can
th en start theve hicle with the smartphone to
ch arge the batter y.The vehicle is automatically
switched off af terte n minu tes.
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 full.
St arting theve hicle (Remo teOnline) &
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work. 15 0
Driving and pa rking

#
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position jis selected.
R the anti- theft alarm sy stem is not activated.
R the panic alarm is not activated.
R the hazard warning light sy stem is switched
off.
R the bonn etis closed.
R the doors are closed and loc ked.
R the windo wsand sliding sun roof are closed. #
Start theve hicle using the smartphone.
Af tereve ryengine start, the engine runs for
te n minu tes.
Yo u can car ryout a maximum of two consecu‐
tive starting attem pts. Yo u must start theve hicle
once with theke y before trying tostart the
engine again with the smartphone. you can stop
th eve hicle again at any time. %
Further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: #
switch on the hazard warning light sy stem.
or #
unlock the doors.
or #
open a side window or the sliding sunroof. Ru
nning-in no tes To
preser vethe engine during thefirs t15 00 km:
R drive at varying road speeds and engine
speeds.
R do not drive at speeds greater than
14 0 km/h.
R drive theve hicle in drive program A
or ;.
R shift tothe next highest gear at theve ry lat‐
est when the needle reaches the last third
before there d area in there v counter. R
do not shift down a gear manually in order to
brake.
R avoidove rstraining theve hicle, e.g. driving at
full thro ttle.
R do not depress the accelera tor pedal past
th e pressure point (kickdown).
R only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
15 00 km.
This also applies when the engine or parts of the
driv etra in ha vebeen replaced.
Please also obser vethefo llowing running-in
no tes:
R in cer tain driving and driving saf ety sy stems,
th e sensors adjust automatically while a cer‐
ta in dis tance is being driven af terth eve hicle
has been delivered or af terre pairs. Full sys‐
te m ef fectiveness is not reached until the
end of this teach-in process.
R brakepads, brake discs and tyres that are
either new or ha vebeen replaced only ach‐
ie ve optimum braking ef fect and grip af ter
se veral hundred kilom etre s of driving. Com‐ Driving and parking
151

pensate
forth ere duced braking ef fect by
applying greaterfo rc eto the brake pedal. Note
s on optimised acceleration If all necessary
requ irements and activation con‐
ditions are fulfilled, the best possible accelera‐
tion can be achie ved from a standstill.
Do not use the optimised acceleration on public
ro ads. Individual wheels could spin and you
could lose control of theve hicle. There is an
increased risk of skidding and/or accident.
Be sure toobser vethe saf ety no tes and informa‐
tion on ESP ®
(/ page 181). Moving
away with optimised acceleration &
WARNING Risk of skidding and having
an accident from wheels spinning
When you use optimised acceleration, indi‐
vidual wheels could spin and you could lose
cont rol of theve hicle. If ESP
®
is deactivated, there is a risk of skid‐
ding and accident! #
Make sure that no persons or obs tacles
are in the close vicinity of your vehicle. Re
quirements:
R theve hicle is run in (/ page 151).
R theve hicle and tyres are in good condition.
R you are on a high-g rip ro adw ay.
R the engine and transmission are at normal
operating temp erature.
* NO
TEIncreased wear due tooptimised
acceleration When pulling
away with optimised accelera‐
tion, all components of the driv etra in are
subjected toave ry high load.
This can lead toinc reased component wear. #
Do not alw ays pull away with optimised
acceleration. #
Engage theh drive position (/ page163). #
Movethesteering wheel tothest ra ight-
ahead position. #
Select the sportiest available drive program
B orC(/ page160). #
Deactivating ESP ®
(/ page 183). #
Dep ress and hold the brake pedal firm ly wi th
yo ur left foot. #
With your right foot , fully depress the accel‐
erator pedal. #
After no more than five seconds, take your
left foot quickly off the brake, but keep the
accelerator pedal depressed.
The vehicle pulls away at maximum accelera‐
tion. #
Swit chon ESP ®
once the acceleration proce‐
dure is comple te.
Ending optimised acceleration #
Remo veyour foot from the accelerator pedal. #
Reactivate the ESP ®
. 15 2
Driving and pa rking