2020 MERCEDES-BENZ CLS COUPE service indicator

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

#
Enter the destination in 2. The entries can
be made in any order.
The following ent ries can be made, forex am‐
ple:
R Town, stre et, house number
R Street,to wn
R Postcode
R POI name or POI catego ry, e.g. Parking
R Contact name #
Select a sear chresult in list 3. #
Calculate thero ute (/ page 265).
% You can find fur ther information about desti‐
nation entry , e.g. 3wordaddresses, in the
Digital Owner's Manual.
Changing country #
Select the count ryindicator in 1. #
Enterth e count ryindicator. #
Select the count ryin3.
Using online sear ch
Destination entry uses online map services. If
th e on-board sear chfinds no suitable de stina‐ tions or if
youch ange countries, the online
sear chisavailable.
Fo rth e destination you can en ter an addre ss, a
POI or a 3 wordaddress. #
Select country indicator 1. #
Select the pr ovider forth e online service
from the count ries list.
or #
Ifth e on-board sear chdelivers no results,
enter the destination in input line 2. #
Select the destination in the list.
The de tailed view forth ero ute is displ ayed. Calculating a
route and using settings for
ro ute guidance Re
quirements:
R The destination has been entered.
R The destination address is shown. Multimedia sy
stem:
4 © 5
Navigation 1
¥ Noroute yet.
¦ Aro ute has been mapped. #
Select ¥.
The route tothe destination is calculated.
Ro ute guidance begins.
or #
Select ¦. #
Select Set as intermediate dest..
The destination address is set as the next
intermediate destination. MBUX multimedia sy
stem 265

#
Select Yes.
Re leva nt identi fication da tais transmitted
automaticall y.
More information on Mercedes me: https://
www.mercedes.me
Tr ansfer red data during a Mercedes me call
When you make a service call via Mercedes me,
data is transmitted. This enables targeted advice
and a smoo thservice.
The following requ irements must be fulfilled for
th e transfer of the data:
R The ignition is switched on.
R The requ ired data transfer tech nology is sup‐
po rted bythe mobile phone network pro‐
vider.
R The quality of the mobile connection is suf fi‐
cient.
Multi-s tage trans fer depends on thefo llowing
fa ctors:
R Reason forth e initiation of the call
R The available mobile phone transmission
te ch nology. R
The acti vated Mercedes me connect serv‐
ices.
R The service selected in thevo ice control sys‐
te m.
% A prom ptfor consent tothe data transmis‐
sion only occurs if the cor responding
Mercedes me connect service is not activa‐
te d.
Data transfer if Mercedes me connect serv‐
ices are not activated
If no Mercedes me connect services are activa‐
te d and the data pr otection prom pthas been
confirmed thefo llowing data is transmitted:
R Vehicle identification number
R Time of the call
R Reason forth e initiation of the call
R Confirmation of the data pr otection prom pt
R Country indicator of theve hicle
R Set language forth e multimedia sy stem
R Telephone number of the communication
platform ins talled in theve hicle If a call is made
for a service appointment via
th e service reminder, thefo llowing data is also
transmitte d:
R Cur rent milea geand main tenance da ta
If a call is made af ter auto matic accident or
breakdown de tection using the multimedia sys‐
te m, thefo llowing data is also transmitted:
R Cur rent milea geand main tenance da ta
R Cur rent vehicle location
If Ac cident and Breakdown Management is
called via thevo ice control sy stem and no
service has been activated, but the data pr otec‐
tion query has been confi rmed, thefo llowing
data can also be called up from theve hicle by
th e Mercedes-Benz Cus tomer Centre:
R Curr entvehicle location
If th e data pr otection prom pthas been rejected,
th efo llowing data is transmitte dto enable targe‐
te d advice and an ef ficient service:
R Reason forth e initiation of the call
R Rejection of the data pr otection prom pt
R Country indicator of theve hicle 276
MBUX multimedia sy stem

&
WARNING Risk ofexplosion during
ch arging process and starting assis tance
During thech arging process and starting
assis tance, the battery may release an explo‐
sive gas mixture. #
Avoid fire , naked flames, creating
spar ksand smoking. #
Make sure there is suf ficient ventila‐
tion. #
Do not lean over a batter y. &
WARNING Risk ofexplosion from a fro‐
zen battery
A dischar ged battery may freeze at temp era‐
tures slightly abo veor below freezing point.
During starting assis tance or battery charg‐
ing, bat tery gas can be released. #
Alw ays allow a battery tothaw before
ch arging it or per form ing starting assis‐
ta nce. If
th e indicator/warning lamps in the instrument
clus ter do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has fro‐
zen. In this case you may neither jump-s tart the
ve hicle nor charge the batter y.
The service life of a battery that has been
th awe d may be dramatically shor tened. The
st arting characteristics may be impaired, espe‐
cially at low temp eratures.
It is recommended that you ha veathaw ed bat‐
te ry checked at a qualified specialist workshop.
All vehicles
* NO
TEDama gecaused bynumerous or
ex tended attem ptsto start the engine Nume
rous or extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting
assis tance and when charging the battery:
R Only use undamaged jump lead/charging
cables with a suf ficient cross-section and
insula tedte rm inal clamps.
R Non- insulated parts of thete rm inal clamps
must not come into con tact wi thother me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-s tart connec‐
tion point.
R The jump lead/charging cable must not
come into contact wi thany parts which may
mo vewhen the engine is running.
R Alw ays make sure that nei ther you nor the
battery is elect rostatically charge d.
R Keep away from fire and naked flames.
R Do not lean overth e batter y.
Obser vethe additional following points when
ch arging the battery:
R Only use battery charge rs tested and
appr oved for Mercedes-Benz.
R Read the battery charge r's operating instruc‐
tions before charging the batter y. Breakdown assis
tance 317

R
driving with a high load
The tyre pressure loss warning sy stem is only an
aid. It is the driver's responsibility toset the tyre
pressure tothere commended cold tyre pressure
suitable forth e operating situation and tocheck
it.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 328)
R Display messages about the tyres
(/ page 404)
Rest arting the ty repressure loss warning
sy stem
Requ irements:
R The recommended tyre pressure is cor rectly
set forth ere spective operating status on all
wheels.
Re start the tyre pressure loss warning sy stem in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
newly fitted. On-boa
rdcompu ter:
4 Service 5
Tyres #
Swipe down wards on Touch Control on the
left-hand side of thesteering wheel.
The Run Flat Indicator active Restart mes‐
sage is shown in the multifunction displa y. #
Tobegin restart, press Touch Control on the
left-hand side of thesteering wheel.
The Tyre pressure now OK? message is
shown in the multifunction displa y. #
Select Yes. #
Toconfirm restart, press Touch Control on
th e left-hand side of thesteering wheel.
The Run Flat Indicator restarted message is
shown in the multifunction displa y.
Af teryo u ha vedriven for a few minutes, the
tyre pressu reloss warning sy stem monitors
th e set tyre pressures of all the tyres.
Be sure toalso pay attention tothefo llowing
re lated topic:
R Notes on tyre pressure (/ page 328) Wheel
change Note
s on selecting, fitting and replacing
tyres *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. &
WARNING Risk of accident due toincor‐
re ct dimensions of wheels and tyres
If wheels and tyres of the wrong size are
used, the wheel brakes or wheel suspension
components may become damaged. #
Alw aysre place wheels and tyres with
th ose that fulfil the specifications of the
original part.
When replacing wheels, make sure tofit the
cor rect:
R Designation
R Type 332
Wheels and tyres

Display messages
Int
roduction In
fo rm ation about display messages
Displ aymessa ges appear on the multifunction
displa y.
Displ aymessa ges with graphical symbols are
simplified in the Owner's Manual and may dif fer
from the symbols on the multifunction displa y.
The multifunction display sho wshigh-priority dis‐
play messages in red. Cer tain display messages
are accompanied byawa rning tone.
Please act in acco rdance with the display mes‐
sages and follow the additional no tes in the
Owner's Manual.
Fo r some display messa ges, a symbol will also
be shown:
R Õ Further information
R ¨ Hide display message
Wi th th e left-hand Touch Control, you can select
th ere spective symbol byswiping tothe left or
ri ght. Press theÕ symbol toshow fur ther infor‐ mation on
the media displa y.Press the¨
symbol tohide the display message.
Yo u can hide lo w-priority display messages by
pressing theP back button or the left-hand
To uch Control. The displ aymessa ges will then
be stored in the message memor y.
Re ctify the cause of a display message as
qu ickly as possible.
High-priority display messages cannot be hid‐
den. The multifunction display sho wsthese dis‐
play messages continuously until the cause of
th e display message has been rectified.
Calling up sa ved displ aymessages
On-boa rdcompu ter:
4 Service 5
1 message
If th ere are no display messages, No messages
will appear on the multifunction displa y. #
Scroll thro ugh the display messages byswip‐
ing upwards or down wards on the left-hand
To uch Control. #
Toexitth e message memor y:press the
back button P. 360
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120°C.
ÿ *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
8
Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel.
!
Clean the fuel filter *
Ve hicles with diesel engines: the fuel filter is dirty or thewate r inthe fuel filter needs tobe drained. #
Consult a qualified specialist workshop. 376
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance Package: Active Brake Assi stistemp orarily una vailable or only partially
av ailable. #
Consult a qualified specialist workshop. Mercedes me connect
Display messages
Possible causes/consequences and M MSolutions
Mercedes me connect
Services limited See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restricted.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 28). #
Consult a qualified specialist workshop.
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is
malfunctioning. #
Consult a qualified specialist workshop. 400
Display messages and warning/indicator lamps