spare wheel MERCEDES-BENZ E-CLASS CABRIOLET 2020 Owners Manual

#
Left-hand drive vehicle: pulltab1
upwards. #
Remo vefire extinguisher 2. Flat tyre
Note
s onflat tyres &
WARNING Risk of accident due toaflat
tyre
A flat tyre se verely affects the driving charac‐
te rist ics as well as thesteering and braking
of theve hicle. Ty
res without run-flat characteristics: #
Do not drive with a flat tyre. #
Chan getheflat tyre immediately with
an emer gency spa rewheel or spare
wheel. Alternativel y,consult a qualified
specialist workshop.
Ty res with run-flat characteristics: #
Obse rveth e information and warning
no tes on MOExtended tyres (run-flat
tyres). In
theeve nt of a flat tyre, thefo llowing options
are available depending on your vehicle's equip‐
ment:
R Vehicles with MOExtended tyres: it is pos‐
sible tocontinue the journey for a short
period of time. Make sure you obse rvethe
no tes on MOExtended tyres (run-flat tyres)
(/ page 306).
R Vehicles with a TIREFIT kit: you can repair
th e tyre so that it is possible tocontinue the
jou rney for a short period of time. Todo this,
use the TIREFIT kit (/ page 308). R
Vehicles with Mercedes me connect: you
can make a call for breakdown assi stance via
th eov erhead control panel in the case of a
breakdown (/ page 269).
R Allvehicles: change the wheel
(/ page 335). Note
s on MOExtended tyres (run-flat tyres) &
WARNING Risk of accident when driving
in li mp-home mode
Driving in emergency mode impairs the han‐
dling characteristics of theve hicle. #
Do not exceed the permissible maxi‐
mum speed of the MOEx tended tyres. #
Avoid any abrupt steering and driving
manoeuvres as well as driving over
obs tacles (kerbs, pot holes, off-road).
This applies, in pa rticular, toa loaded
ve hicle. #
Stop driving in the emer gency mode if
yo u notice: 306
Breakdown assis tance

#
Neverfit snow chains on the front
wheels. #
Only fit snow chains on there ar wheels
in pairs. Obse
rveth efo llowing no tes when using snow
ch ains:
R Snow ch ains are on ly permissible for cer tain
wheel/tyre combinations. You can obtain
information about this from a Mercedes-Benz
Service Cent re.
R For saf etyre asons, on lyuse sn ow chainsthat
ha ve been specifically appr ovedfo ryo ur
ve hicle byMercedes-Benz, or snow chains
with the same quality standard.
R If sn ow ch ains are fitted, the maximum per‐
missible speed is 50 km/h.
R Vehicles with Active Park ing Assis t:do
not use Active Parking Assist when snow
ch ains are fitted.
R Vehicles with le vel control: if snowchains
are fitted, only drive at raised vehicle le vel . %
You can permanently limit the maximum
ve hicle speed for driving with winter tyres
(/ page 194).
% You can deactivate ESP ®
to pull away
( / page 184). This allo ws the wheels to
spin, achieving an increased driving forc e. Ty
re pressure Note
s on tyre pressure &
WARNING Risk of accident due toinsuf‐
fi cient or excessive tyre pressure
Ty res with either too low or too high a pres‐
sure present thefo llowing hazards:
R the tyres could bur st
R the tyres could wearexcessively and/or
une venly
R the driving characteristics as well as
st eering and braking characteristics may
be se verely impaired #
Obse rveth ere commended tyre pres‐
su res and check the tyre pressures of
all tyres including the spare wheel:
R monthly
R if altering the load on theve hicle
R prior tolong journe ys
R ifth e operating conditions change, for
ex ample when driving off- road #
Adjust the tyre pressure where neces‐
sar y. Ty
re pressure which is too high or too low can:
R Shor tenth e service life of the tyres.
R Cause increased tyre damage.
R Adversely af fect driving characteristics and
th us driving saf ety, e.g. due toaquaplaning. &
WARNING Risk of accident due torepea‐
te d pressure drop in the tyres
The wheels, valves or tyres could be dam‐
aged. 326
Wheels and tyres

#
Vehicles with a tyre pressure monitoring
sy stem: restart the tyre pressure monitoring
sy stem (/ page 329).
Exception: the new wheel is an emer gency
spa rewheel. Emer
gency spare wheel Note
s onthe emer gency spare wheel &
WARNING Risk of accident caused by
incor rect wheel and tyre dimensions
The wheel or tyre size and the tyre type of
th e emer gency spa rewheel or spare wheel
and the wheel tobe replaced may dif fer. The
emer gency spa rewheel or spare wheel can
significantly impair driving characteristics of
th eve hicle.
To preve nt hazardous situations: #
Drive carefully. #
Neverfit more than one emer gency
spa rewheel or spare wheel that dif fers
in size. #
Only use an emer gency spa rewheel or
spare wheel brief ly. #
Do not deacti vate ESP ®
. #
Have the emer gency spa rewheel or
spare wheel of a dif fere nt size replaced
at the nearest qualified specialist work‐
shop. The new wheel must ha vethe
cor rect dimensions. %
The emergency spa rewheel is secured in the
emer gency spa rewheel bag in the boot.
Obser vethefo llowing no tes on fitting an emer‐
ge ncy spa rewheel:
R Check the tyre pressure of the emer gency
spa rewheel fitted. Co rrect the pressure as
necessar y.
R The maximum permissible speed with an
emer gency spa rewheel fitted is 80 km/h.
R Do not fit th e emer gency spa rewheel with
sn ow ch ains.
R Replace the emer gency spa rewheel af ter six
ye ars at the latest, rega rdless of wear. %
Ve
hicles with a tyre pressure loss warn‐
ing sy stem: if an emer gency spa rewheel is
fi tted the tyre pressure loss warning sy stem
cann otfunction reliabl y.Only restart the sys‐
te m again when the emer gency spa rewheel
has been replaced with a new wheel.
Ve hicles with a tyre pressure monitoring
sy stem: if an emer gency spa rewheel is fit‐
te dth e tyre pressure monitoring sy stem can‐
not function reliabl y.Fo r a few minutes af ter
an emer gency spa rewheel is fitted, the sys‐
te m may still display the tyre pressure of the
re mo ved wheel. Only restart the sy stem
again when the emer gency spa rewheel has
been replaced with a new wheel.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 326)
R Tyre pressure table (/ page 327)
R Notes on fitting tyres (/ page 330) 340
Wheels and tyres

Un
locking a door .................................. .78
Emer gency operation mode
St arting theve hicle ............................. 15 2
Emer gency spare wheel .........................3 40
No tes .................................................. 340
Engine ECO start/ stop function ......................1 58
Engine number ................................... .343
St arting (Digital Vehicle Keyst icke r) .... 15 2
St arting (eme rgency operation
mode) .................................................. 15 2
St arting (Remo teOnline) ..................... 15 3
St arting (s tart/s top button) .................1 51
St arting assis tance .............................. 316
Switching off (s tart/s top button) .........1 74
Engine bonnet Function (active bonnet) ...................... 289
Opening/closing ................................. 290
Engine data Displaying ............................................ 16 4
Engine electronics Notes ................................................... 341
Engine number ........................................3 43Engine oil
................................................. 292
Ad ditives .............................................. 351
Capacity .............................................. 352
Checking the oil le vel using the on-
board computer ................................... 292
MB-Fr eigabe or MB-Appr oval .............. .352
Quality ................................................. 352
To pping up ...........................................2 92
EQ Boost Operating saf ety .................................... 22
Quali fied specialist workshop ................29
ERA-GLONASS test mode
St arting/ending .................................. 279
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 185
Tr ailer stabilisation .............................. 185
ESP ®
(Electronic Stability Prog ram) ...... 183
Ac tivating/deactivating ...................... .184
Fu nction/no tes ................................... 183
EU general operating permit number ....343 Exterior lighting
see Lights
Exterior lighting (care) ............................ 301 F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Fi re extinguisher ..................................... 305
Firs t-aid kit (soft sided) .......................... 305
Flacon Inse rting/ removing ............................. 14 2
Flat towing
see Tow- bar sy stem
Flat tyre ....................................................3 06
MOExtended tyres ............................... 306
No tes .................................................. 306
TIREFIT kit ...........................................3 08
Wheel change ...................................... 335
Floor mats ................................................ 121
Fo g light (extended range) ......................1 26 Index
443

see
Telephone
Sma rtphone integ ration ......................... 275
Overview ............................................. 275
Snow chains ............................................ 325
Soc ket (12 V) ............................................ 11 8
Fr ont centre console ............................ 11 8
Soft top
Care .................................................... 298
Closing (soft- top switch) ........................ 82
Closing using theke y ............................ .91
Opening (soft-top switch) ......................82
Opening with theke y ............................ .91
Problem .................................................88
Re locking .............................................. .84
Soft-top switch .......................................... 82
Software update System updates ................................... 255
Sound PRE-SAFE ®
Sound ................................. 50
Wheels and tyres ................................. 325
Sound menu Functions overview .............................. 286 Spare wheel
see Emer gency spa rewheel
Speed limit for winter tyres
Setting ................................................. 194
St andby mode
Ac tivating/deactivating ...................... .180
Fu nction .............................................. 180
St anding lights ........................................ 12 2
St art-off assi st
see Optimised acceleration
St art/s top button
Pa rking theve hicle ...............................1 74
St arting theve hicle .............................. 151
Switching on the po wer supply or
ignition ................................................ 15 0
St art/s top function
see ECO start/ stop function
St arter battery
Charging (Remo teOnline) .................... 15 3
St arting assi stance
see Jump -sta rt connection
St arting the engine
see Vehicle St
arting-o ffaid
see Hill Start Assist
St ationary heater/ventilation
Displ ays (remo tecontrol) .................... 14 6
Problems (remo tecontrol) ................... 147
Re placing the battery (remo tecon‐
trol) ...................................................... 14 6
Setting (MBUX multimedia sy stem) ..... 14 5
Setting (remo tecontrol) ...................... 14 5
Switching on/off (control panel) ......... 14 4
ST EER CONT ROL
Fu nction/no tes ................................... 185
Ste ering wheel ........................................ .243
Ad justing (electrically) ........................ .109
Ad justing (manually) ............................ 108
Buttons ................................................ 24 3
Care .................................................... 302
Operating the memory function ........... 11 2
St eering wheel heater .......................... 109
Ste ering wheel gearshift paddles ..........16 6
Ste ering wheel heater
Swit ching on/off ................................ .109
St ow age areas
see Loading Index
455