2020 MERCEDES-BENZ GLS SUV manual transmission

#
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. #
Ifth eve hicle still does not start and the dis‐
play message Place the key in the marked
space See Owner's Manual also appears in
th e multifunction display: start theve hicle
with theke y in the mar ked space (emer gency
operation mode) (/ page 189).
% 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 192). 18 8
Driving and pa rking

When
the automatic transmission is in transmis‐
sion position h, it shiftsthege ars automati‐
call y.This depends, among other things, on the
fo llowing factors:
R the selected drive program
R the position of the accelera tor pedal
R the driving speed Manual
gearshifting Pe
rm anent setting (vehicles with Offroad
pac kage or E- Active Body Control)
* NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. #
Toactivate/deacti vate:pull rock er switch
1.
If indicator lamp is lit, manual gearshifting is
activated. The cur rent gear is displa yed in the
multifunction displa y. Te
mp orary setting #
Toactivate: pullsteering wheel gearshift
paddle 1or2.
Manual gearshifting is activated for a short
time. Transmission position pand the cur‐
re nt gear appear in the multifunction displa y. #
Todeactivate: pullsteering wheel gearshift
paddle 2and hold it in place.
The transmission position happears in the
multifunction displa y.
% Topermanently shift thege ars manually in
drive prog ram = using thesteering wheel
ge arshift paddles, select thep setting for
th e transmission. Driving and parking
207

R
The po wer supp lyis insuf ficient.
R The vehicle is stationary for a lengt hyperiod.
When the electric parking brake is applied, the
re d! indicator lamp lights up in the instru‐
ment clus ter.
The electric parking brake is not automatically
applied if the engine is switched off bythe ECO
st art/ stop function.
Electric parking brake function (releasing
automatically)
The electric parking brake is released when the
fo llowing conditions are fulfilled:
R The driver's door is closed.
R The engine is running.
R The transmission is in position hork and
yo u depress the accelera tor pedal or you
shift from transmission position jtoh or
k when on le velground withthe driver's
door closed.
R Ifth e transmission is in position k,theta il‐
ga te must be closed. R
The seat belt tongue is inser ted into the seat
belt buckle of the driver's seat.
If th e seat belt tongue is not inser ted into the
seat belt buckle of the driver's seat, one of
th efo llowing conditions must be fulfilled:
- You shift from transmission position j.
- You ha veprev iously driven at speeds
greater than 3 km/h.
When the electric parking brake is released, the
re d! indicator lamp in the instrument clus‐
te r goes out. Applying/releasing
the electric pa rking
brake manually
Applying #
Push handle 1.
The red! indicator lamp lights up in the
instrument clus ter. 222
Driving and parking

Dif
fere nces between the Mercedes-Benz emer gency call sy stem and 112 emer gency call sy stem (EU eCall) Mercedes-Benz emer
gency call sy stem 112 emer gency call sy stem (EU eCall)
R The Mercedes-Benz emer gency call sy stem is permanently logged in to
th e mobile phone networ k.
R Automatic and manual Mercedes-Benz emer gency calls are transmit‐
te dto a Mercedes-Benz emer gency call centre.
In theeve ntthat the emer gency call centre of the Mercedes-Benz
emer gency call sy stem cann otbe reached (e.g. due toa lack of net‐
wo rkcoverage ),th e11 2 emer gency call is car ried out automaticall y.R
Ifyo u decide touse the11 2 emer gency call sy stem (EU eCall), then
th e sy stem only logs in tothe mobile phone network af terth e trigger‐
ing of a manual or automatic emer gency call.
R The 112 emergency call sy stem (EU eCall) transmits automatic and
manual emer gency calls di rectly topublic coordination centres. %
The 112 emer gency call sy stem (EU eCall) in
yo ur vehicle meets the delegated regulation
EU 20 17/79. Proper and full functionality of
th e11 2 emergency call sy stem (EU eCall)
depends on circums tances be yond the influ‐
ence of Mercedes-Benz AG. This includes
mobile network co verage and thete ch nical
infrastructu reofthe public reception centres
in there spective countries.
% Please obser vethat in theeve nt of a repair
ge nuine Mercedes-Benz batteries mu stbe
used which ha vebeen certified pursuant to
th e delegated regulation EU 20 17/79 (Appendix I). Other manu
facturers are also
permitted pr ovided their batteries are certi‐
fi ed according tothe delegated regulation
EU 20 17/79.
The reisthe option of deactivating the
Mercedes-Benz emer gency call sy stem and
using only the11 2 emer gency call sy stem (EU
eCall). Contact address for car rying out deacti‐
va tion of the Mercedes-Benz emer gency call sys‐
te m are the local dealers. Mercedes-Benz
recommends the activation of
th e Mercedes-Benz emer gency call sy stem for
th efo llowing reasons:
R In emer gency situations when ab road, you
can also get support in a language you
speak.
R Several transmission tech nologies are used
to accelerate the transfer of the accident
data and impr overe liability of the transmis‐
sion.
R The Mercedes-Benz emer gency call sy stem is
permanently logged in tothe mobile phone MBUX multimedia sy
stem 343

Bo
th th e Mercedes-Benz emer gency call sy stem
as well as the11 2 emergency call sy stem (EU
eCall) automatically initiate an emer gency call
af te r:
R Activation of there stra int sy stems such as
airbags or seat belt tensioners af ter an acci‐
dent
The emer gency call has been made:
R Avo ice connection is es tablished with the
emer gency call centre.
R A messa gewith accident data is transmit ted
to the emer gency call centre.
The SOS button in theov erhead control panel
fl ashes until the emer gency call is finished.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe displa y. #
Dial the emer gency number 112 or an app ro‐
priate local emer gency call number on your
mobile phone. If an eme
rgency call has been initiated:
R Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice
connection is es tablished with the emer‐
ge ncy call centre.
R Onthe basis of the call, the emer gency call
centre decides wh ether it is necessary tocall
re scue teams and/or the police tothe acci‐
dent site.
R If no vehicle occupant answers, an ambu‐
lance is sent totheve hicle immediatel y. Tr
iggering a manual emer gency call #
Touse the SOS but ton in theov erhead
control panel: pressthe SOS button at least
one second long (/ page 335). #
Touse voice control: usethe LINGUA‐
TRONIC voice commands .
The emer gency call has been made:
R Avo ice connection is es tablished with an
emer gency call centre. R
Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice
connection is es tablished with the emer‐
ge ncy call centre.
R Onthe basis of the call, the emer gency call
centre decides wh ether it is necessary tocall
re scue teams and the police tothe accident
site.
R A message with accident data is transmit ted
to the emer gency call centre.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe media displa y. #
Dial the emer gency number1 12or an appro‐
priate local emer gency call number on your
mobile phone. Emer
gency call sy stem data transmission Fo
r bo th th e Mercedes-Benz emer gency call sys‐
te m as well as the11 2 emergency call sy stem
(EU eCall) data is transfer redto the Mercedes-
Benz emer gency call centre or the public emer‐
ge ncy services call centre. MBUX multimedia sy
stem 345

Preparing
theve hicle for a wheel change Re
quirements:
R The requ ired tyre-change tool kit is available.
If yo ur vehicle is not equipped with the tyre-
ch ange tool kit, consult a qualified specialist
wo rkshop tofind out about suitable tools.
R The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
ground. #
Apply the electric parking brake manually. #
Movethe front wheels tothest ra ight-ahead
position. #
Shift the transmission toposition j. #
Vehicles with le vel control sy stem: setthe
normal vehicle le vel (/ page 265). #
Swit choff the engine. #
Make sure that the engine cann otbe star ted. #
Place choc ks orother suitable items under
th e front and rear of the wheel that is diago‐
nally opposite the wheel you wish tochange. #
Raise theve hicle (/ page 403). Ad
ditionall y,for Me rcedes-Mayba chvehicles: #
Retract theru nning boards (/ page 86) #
Toremo vestone chipping pr otective co vers
2 : #
Loosen expansion rive t1 and pull it out. #
Fold down and remo vestone chipping pro‐
te ctive co vers 2 . Re
moving and fitting the wheel trim/hub
caps Re
quirements:
R The vehicle is prepared for a wheel change
(/ page 402).
Pla stic hub cap #
Toremo ve:turn the cent recover of the hub
cap anti-clockwise and remo vethe hub cap. #
Tofit: make sure that the cent recover of the
hub cap is turned anti-clockwise. #
Position the hub cap and turn the cent re
co ver clockwise until the hub cap engages
ph ysically and audibly. 402
Wheels and tyres

Fr
equency band and maximum transmission
output Fr
equency band Maximum transmis‐
sion output
Sho rtwa ve
3 - 54 MHz 10
0 W
4 m frequency band
74 - 88 MHz 30 W
2 m frequency band
14 4 - 174 MHz 50 W
Te rrestrial Trunked
Ra dio (TETRA)
380 - 460 MHz 10 W
70 cm frequency
band
420 - 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 W The
following can be used in theve hicle without
re strictions:
R two-w ayradios with a maximum transmission
output of up to100 mW
R RF transmitters with transmitter frequencies
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(TETRA)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the
aerial on the outside of theve hicle forth efo llow‐
ing frequency bands:
R Terrestrial Trunked Radio (TETRA)
R 70 cm frequency band
R 2G/3G/4G Ra
dio ope rating permits forve hicle comp o‐
nents
Manufacturer information about wireless vehicle
components can be found using theke y phrase
"Radio operating permits" in the Digital Owner's Manual in
theve hicle, on the internet and in the
app. Ve
hicle identification plate, VIN and engine
number overview
Ve hicle identification plate Te
ch nical da ta415

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Untilthen, alw ays select park position jmanually before you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake. Brakes
Display messages
Possible causes/consequences and M MSolutions
! Parking brake See Owner's
Manual *
The yellow ! indicator lamp is lit. The elect ric pa rking brake is malfunctioning.
To appl y: #
Switch the ignition off and switch it back on. #
Apply the electric parking brake manually (/ page 222).
If it is not possible toapply the electric parking brake: Display messages and
warning/indicator lamps 455