2020 MERCEDES-BENZ CLS COUPE run flat

R
Only fit wheels of the same size on one axle
(left and right).
It is only permissible tofit a di fferent wheel
size in theeve nt of a flat tyre in order to
drive tothe specialist workshop.
R Do not make any modifications tothe brake
sy stem, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and may in validate theve hicle's
ge neral operating pe rmit.
R Vehicles with a tyre pressure monitoring
sy stem: allfitted wheels mu stbe equipped
with functioning sensors forth e tyre pres‐
sure monitoring sy stem.
R Attemp eratures below 7 °C use winter tyres
or all-season tyres mar kedi M+Sfor all
wheels.
Wi nter tyres pr ovide the best possible grip in
wintry road conditions.
R Fori M+S tyres, only use tyres with the
same tread.
R Obser vethe maximum permissible speed for
th ei M+S tyres fitted. If
th e tyre's maximum speed is below that of
th eve hicle, this must be indicated byan
appropriate label in the driver's field of
vision.
R Run in new tyres at moderate speeds forthe
fi rs t10 0 km.
R Replace the tyres af ter six years at the latest,
re ga rdless of wear.
R When replacing with tyres that do not
fe ature run-flat characteristics: vehicles
with MOExtended tyres are not equipped
with a TIREFIT kit at thefa ctor y.Equip the
ve hicle with a TIREFIT kit af terre placing with
tyres that do not feature run-flat characteris‐
tics, e.g. winter tyres.
% You can permanently limit the maximum
ve hicle speed for driving with winter tyres
(/ page 190).
Fo r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 328)R
Tyre pressure table (/ page 329)
R Notes on the emer gency spa rewheel
(/ page 342) Note
s on inter changing wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels can
se verely impair the driving characteristics.
The disk brakes or wheel suspension compo‐
nents may also be damaged. #
Onlyinter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nder thege neral operating pe rmit in valid.
The wear pat tern s on the front and rear wheels
dif fer:
R front wheels wear more on the tyre shoulder Wheels and tyres
335

Display messages
Possible causes/consequences and M
MSolutions #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure (/ page 328) andthe tyres. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem (/ page 331).
Check tyre pressures then
restart Run Flat Indicator *T
he tyre pressure loss warning sy stem generated a displ aymessa geand has not been restar ted since. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem (/ page 331).
Run Flat Indicator inopera-
tive *T
he tyre pressure loss warning sy stem is malfunctioning. #
Consult a qualified specialist workshop. Exhaust
gas af tertre atment Display messages
Possible causes/consequences and M MSolutions
Ø Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen into there ser verange. #
Top up AdBlue ®
immediately (/ page 170). 408
Displaymessa ges and warning/indicator lamps

Check tyre pressures
then restart
Ru n Flat Indicator ................................ 408
Cruise control and Limiter inope ra‐
tive ...................................................... 385
Cruise control inope rative ................... 385
Cruise control off ................................ 386
Fr ont-passenger airbag disabled See
Owner's Manual ..................................3 62
Fr ont-passenger airbag enabled See
Owner's Manual ..................................3 62
Hazard warning lamps malfunction‐
ing ...................................................... .368
Limi ter inoperative .............................. 386
Limiter passive ................................... .386
Mercedes me connect Services limi‐
te d See Owner's Manual .....................400
Mo tor can be star ted again .................4 03
N permanently active Risk of vehicle
ro lling .................................................. 378Only select
Park (P) when vehicle is
st ationary ............................................ 377
Place theke y in the mar ked space
See Owner's Manual ...........................365
PRE-SAFE impulse side inope rative
See Owner's Manual ........................... 363
PRE-SAFE inope rative See Owner's
Manual ................................................ 363
Re duce speed ...................................... 407
Re versing not poss. Consult work‐
shop ....................................................3 79
Risk of vehicle rolling Driver door
open and transmission not in P ...........378
Ru n Flat Indicator inope rative ............. 408
Speed limit (winter tyres) XXX km/h ... 388
Speed Limit Assi stcur rently una vail‐
able See Owner's Manual .................... 387
Speed Limit Assist inope rative ........... .387
St op vehicle Lea veengine running
Wa itTransmission cooling ...................379 To
shift out of P or N,depress brake
and start engine .................................. 377
To switch off the engine, press the
St art/ Stop button for at least 3 sec‐
onds or 3 times. .................................. 375
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 390
Tr af fic Sign Assi stinope rative ............. 390
Tr ansmission Malfunction Stop ........... 379
Ty re press. monitor cur rently una vail‐
able .................................................... .404
Ty re press. monitor inoperative ...........404
Ty re press. monitor inoperative No
wheel sensors .................................... .404
Ty re pressure Check tyres ...................407
Ty re(s) ove rheated ...............................4 06
Wi thout changing gear, consult work‐
shop ....................................................3 78
Display on the windscreen
see Head-up display 440
Index