MERCEDES-BENZ E-CLASS CABRIOLET 2017 Owners Manual

Aluminium hub cap
#
Toremo ve:position soc ket2 on hub cap
1.
% The soc ket can be found in the tyre-change
to ol kit. #
Position wheel spanner 3on soc ket2. #
Using wheel spanner 3, turn hub cap1
anti-clo ckwise and remo veit. #
Tofit: position hub cap 1and turn until it is
comple tely flush with the wheel. #
Position soc ket2 on hub cap 1. #
Attach wheel spanner 3tosoc ket2 and
tighten the hub cap clockwise.
Specified tightening torq ue: 25 Nm. #
Raising theve hicle (→ page 398). Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle is prepared for a wheel change
(→ page 397).
R The hub caps ha vebeen remo ved
( → page 397).
Impor tant no tes on using the jack:
R Only use theve hicle-specific jack that has
been tested and appr ovedby Mercedes-Benz
to raise theve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a
wheel is being changed and not for mainte‐
nance workunder theve hicle. R
The jack must be placed on a firm ,fl at and
non-slip sur face. If necessar y,use a lar ge,
load-bearing, non-slip underla y.
R The base of the jack must be positioned ver‐
tically under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands or feet under the
ve hicle.
R Do not lie under theve hicle.
R Do not start the engine and do not release
th e electric parking brake.
R Do not open or close any doors or the boot
lid. 398
Wheels and tyres

#
Using the wheel spanner, loosen the wheel
bolts on the wheel you wish tochange by
about one full turn. Do not unscr ewthe
scr ews comple tely. Po
sition of jack support points &
WARNING Risk of inju ryfrom incor rect
positioning of the jack
If yo u do not position the jack cor rectly at
th e appropriate jacking point of theve hicle,
th e jack could tip with theve hicle raised. #
Only position the jack at the appropri‐
ate jacking point of theve hicle. The
base of the jack must be positioned ver‐
tically under the jacking point of the
ve hicle. *
NO
TEVehicle damage from the jack If
yo u do not position the jack cor rectly at
th e appropriate jack support point of the
ve hicle, the jack could tip over with theve hi‐
cle raised. #
The jack is designed exclusively for
jacking up theve hicle at the jack sup‐
port points. #
Take thera tchet ring spanner out of the tyre-
ch ange tool kit and place it on the he xagon
nut of the jack so that the letters AUF are
visible. Wheels and tyres
399

#
Position jack 2at jack support point 1.#
Turn ratchet ring spanner 3clockwise until
jack 2sits comple tely on ja cksupport point
1 and the base of the jack lies evenly on
th e ground. #
Continue toturn ratchet ring spanner 3
until the tyre is raised a maximum of 3 cm
off the ground. #
Loosen and remo vethe wheel (→ page 400). Re
moving a wheel Re
quirement:
R The vehicle is raised (→ page 398).
When changing a wheel, avoid applying any force
to the brake discs, since this could impair the
le ve l of com fort when braking.
* NO
TEDama getothre ading from dirt on
wheel bolts #
Do not place wheel bolts in sand or on
a dirty sur face. #
Unscr ew the uppermost wheel bolt com‐
ple tely. #
Screw centring pin 1instead of the wheel
bolt into theth re ading. #
Unscr ew there maining wheel bolts fully. #
Remo vethe wheel. #
Fitthe new wheel (→ page 400). Fi
tting a new wheel Re
quirement:
R The wheel is remo ved (→ page 400). 400
Wheels and tyres

&
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can cause the wheel bolts/
wheel nuts tocome loose.
As a result, you could lose a wheel while driv‐
ing. #
Never oil or grease theth re ads. #
Intheeve nt of damage totheth re ads,
con tact a qualified specialist workshop
immediatel y. #
Have the damaged wheel bolts or dam‐
aged hub thre ads replaced. #
Do not continue driving. #
Obser vethe information on thech oice of
tyres (→ page 392).
Fo r tyres with a specified direction of rotation,
an ar rowonthe side wall of the tyre indicates
th e cor rect di rection of rotation. Obse rvethe
direction of rotation when fitting. #
Slide the wheel tobe mounted onto the cen‐
tring pin and push it on. &
WARNING Risk of inju ryfrom tightening
wheel bolts and nuts
If yo u tighten the wheel bolts or wheel nuts
when theve hicle is raised, the jack could tip. #
Only tighten wheel bolts or wheel nuts
when theve hicle is on the ground. #
For saf etyre asons, on lyuse wheel bolts
which ha vebeen appr ovedfo r Mercedes-
Benz and the wheel in question. #
Tighten the wheel bolts until they are finger-
tight. #
Unscr ew the cent ring pin. #
Tighten the last wheel bolt until it is finger-
tight. #
Lowe rth eve hicle (→ page 401). Lo
weri ngtheve hicle af ter a wheel change Re
quirement:
R The new wheel has been fitted (→ page 400). #
Place thera tchet ring spanner onto the he xa‐
gon nut of the jack so that the letters "AB"
are visible. #
Tolowe r the vehicle: turnthera tchet ring
spanner of the jack anti-clockwise. #
Tighten the wheel bolts evenly in a crosswise
pattern in the sequence indicated (1 to5 ).
Specified tightening torq ue: 150 Nm. Wheels and tyres
401

&
WARNING Risk of accident due toincor‐
re ct tigh tening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened tothe
prescribed torque. #
Have the tightening torque checked
immediately at a qualified specialist
wo rkshop af terch anging a wheel. #
Check the tyre pressure of the newly moun‐
te d wheel and adjust according ly.#
Vehicles with tyre pressure loss warning
sy stem: Restart the tyre pressure loss warn‐
ing sy stem (→ page 392).
Exception: ifth e new wheel is an emer gency
spa rewheel. #
Vehicles with a tyre pressure monitoring
sy stem: Restart the tyre pressure monitoring
sy stem (→ page 388).
Exception: ifth e new wheel is an emer gency
spa rewheel. Make sure
toobser vethefo llowing fur ther rela‐
te d subjec t:
R Notes on tyre pressure (→ page 385) 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.
Mounting an emer gency spa rewheel/spare
wheel may se verely impair the driving char‐
acteristics.
To preve nt hazardous situations: #
Adapt your driving style according lyand
drive carefull y. #
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 of a dif fere nt size brie fly. #
Do not switch off ESP ®
. #
>Ha vethe 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. Check
the tyre pressure of the emer gency spa re
wheel fitted. Co rrect the pressure as necessar y.
The maximum permissible speed with an emer‐
ge ncy spa rewheel fitted is 80 km/h.
Do not fit th e emer gency spa rewheel with sn ow
ch ains.
Re place 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. 402
Wheels and tyres

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.Only restart the sy stem
again when the emer gency spa rewheel has
been replaced with a new wheel.
Ve hicles with a tyre pressure monitoring
sy stem: For a few minutes af ter an emer‐
ge ncy spa rewheel is fitted, the sy stem may
st ill display the tyre pressure of there mo ved
wheel.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (→ page 385)
R Tyre pressure table (→ page 386) Re
moving the eme rgency spa rewheel The eme
rgency spare wheel is secured in the
emer gency spa rewheel bag in the boot. #
Obser vethe information on mounting tyres
(→ page 392). #
Open the boot. #
Detach thefast ening stra ps. #
Unhook there taining spring hooks of thefa s‐
te ning stra ps from the brac kets. #
Remo vethe emer gency spa rewheel bag with
th e emer gency spa rewheel. #
Open the emer gency spa rewheel bag and
re mo vethe emer gency spa rewheel. Wheels and tyres
403

Note
s ontech nical data
The tech nical da tawa s de term ined in accord‐
ance with EU Directives. The data stated on ly
applies tovehicles with standard equipment. Yo u
can obtain fur ther information from a Mercedes-
Benz Service Centre.
Only for ce rtain countries: you can find vehi‐
cle-specific vehicle data in the COC documents
(CERTIFIC ATE OF CONFORMITY). These docu‐
ments are deli vered with your vehicle. On-board electronics
Note
s on tampering with the engine elec‐
tronics *
NO
TEPremature wearthro ugh improper
main tenance Improper maintenance may cause
vehicle
components towe ar more quickly and the
ve hicle's operating permit may be in valida‐
te d. #
Alw ays ha vewo rkon the engine elec‐
tronics and related components car ried
out at a qualified specialist workshop. Tw
o-w ayradios Note
s onfitting two-w ayradios &
WARNING Risk of accident due to
improper workon two-w ayradios
The elect romagnetic radiation from two-w ay
ra dios can inter fere with the on-board elec‐
tronics if RF transmit ters are manipulated or
re trofitted inco rrectly.
This could jeopardise the operating saf ety of
th eve hicle. #
You should ha veall workon electrical
and electronic components car ried out
at a qualified specialist workshop. &
WARNING Risk of accident from incor‐
re ct ope ration of two-w ayradios
If yo u operate two- wayra dios inco rrectly in
th eve hicle, the electromagnetic radiation
could inter fere with the on-board electronics,
e.g.:
R ifth e two-w ayradio is not connec tedto
an exterior aerial
R ifth eex terior aerial is not cor rectly
mounted or is not of low reflection
This could jeopardise the operating saf ety of
th eve hicle. #
Have the lo w-reflection exterior aerial
fi tted at a qualified specialist workshop. #
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe
lo w- reflection exterior aerial. 404
Tech nical da ta

*
NO
TEInva lidation of the operating per‐
mit due tofailure tocomply wi th the
instructions for ins tallation and use The operating permit may be in
validated if
th e instructions for ins tallation and use of
two-w ayradios are not obser ved. #
Only use appr oved frequency bands. #
Obser vethe maximum permissible out‐
put po wer in these frequency bands. #
Only use appr oved aerial positions. 1
Rear wing
On there ar wings, it is recommended that you
position the aerial on the side of theve hicle
closest tothe cent reofthero ad.
Use Tech nical Specification ISO/TS 21609 (Road
Ve hicles – "EMC guidelines for ins tallation of
af te rm arke tra dio frequency transmitting equip‐ ment") when
retrofitting two-w ayradios. Comply
with the legal requ irements for de tach able parts.
If yo ur vehicle has fittings for two-w ayradio
equipment, use the po wer supp lyor aerial con‐
nections intended for use with the basic wiring.
Be sure toobser vethe manufacturer's Supple‐
ments when fitting.
Tw o-w ayradio transmission output
The maximum transmission output (PEAK) at the
base of the aerial must not exceed theva lues in
th efo llowing table:
Fr equency band and maximum transmission
output Fr
equency band Maximum transmis‐
sion output
Sho rtwa ve
3 - 54 MHz 30 W
4 m waveband
74 - 88 MHz 15 W Te
ch nical da ta405

Fr
equency band Maximum transmis‐
sion output
2 m waveband
14 4 - 174 MHz 25 W
Tr unked radio sys‐
te m/T etra
380 - 460 MHz 10 W
70 cm waveband
420 - 450 MHz 15 W
Mobile communica‐
tions (2G/3G/4G) 10 WThe
following can be used in theve hicle without
re strictions:
R Two-w ayradios with a maximum transmis‐
sion output of up to100 mW
R Two-w ayradios with transmit ter frequencies
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(trunked radio sy stem/T etra)
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 Trunked radio sy stem/T etra
R 70 cm waveband
R 2G/3G/4G Ve
hicle identification plate, VIN and engine
number
Ve hicle identification plate 406
Tech nical da ta

Ve
hicle identification plate (e xample:Kuwa it)
1 Vehicle manufacturer
2 Place of manufacture
3 Manufacturing date
4 Vehicle model
5 VIN Ve
hicle identification plate (e xample: all
ot her countries)
1 Vehicle manufacturer
2 EU type appr oval number (on lyfor cer tain
countries)
3 VIN (vehicle identification number)
4 Perm issible gross mass (kg)
5 Perm issible gross mass of vehicle/trailer
combination (kg) (only for specific countries) 6
Perm issible front axle load (kg)
7 Perm issible rear axle load (kg)
8 Paint code
% The data shown in the image is example
data. Te
ch nical da ta407