steering wheel MERCEDES-BENZ E-CLASS CABRIOLET 2018 Service Manual

Perm itted towing me thods
Ve hicle equipment/to wing
me thod
Bo th axles on thegr oundFront axle raisedRe ar axle raised
Ve hicles with manual transmission Yes, maximum 31miles (50 km) at
31 mp h (50 km/h) Ye
s, maximum 31miles (50 km) at
31 mp h (50 km/h) Ye
s, maximum 31miles (50 km) at
31 mp h (50 km/h)
Ve hicles with automatic transmis‐
sion Ye
s, maximum 31miles (50 km) at
31 mp h (50 km/h) No
Yes, if thesteering wheel is fixe d in
th e center position with a steering
wheel loc k.
4MATIC vehicles Yes, maximum 31miles (50 km) at
31 mp h (50 km/h) No
No
Towing wit h araised axle: towing should be
per form ed byato wing compan y.
Towing theve hicle with bo thaxles on the
gr ound
00BBObser vethe no tes on the permitted towing
me thods (→page 343) (→page 344).
00BBMake sure that the battery is connected and
ch arge d.
When the battery is dischar ged:
Rthe engine cannot bestar ted.
Rth e electric parking brake cannot bereleased
or applied.
Rve hicles with automatic transmission: the
automatic transmission cannot be shif tedto
position 005Cor005D.
34 4
Breakdown assis tance

0071WARNING Risk of accident due tolimi‐
te d saf ety-re lated functions during the
to wing process
Saf ety-re lated functions are limited or no lon‐
ge rav ailable in thefo llowing situations:
Rth e ignition is switched off.
Rthe brake sy stem or po werst eering sys‐
te m is malfunctioning.
Rth e energy supply or the on-board electri‐
cal sy stem is malfunctioning.
When your vehicle is then towe daw ay, signif‐
icantly more ef fort may be requ ired tosteer
and brake than is no rmally requ ired.
00BBUse a tow bar.
00BBMake sure that thesteering wheel can
mo vefreely, before towing theve hicle
aw ay.
0075 NO
TEDama gedue toexcessive tracti ve
po we r
Ifyo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged.
00BBPull away slowly and smoo thly.
Loading the vehicle for transport
00BBObser vethe no tes on towing away
(→page 344).
00BBConnect theto w bar totheto wing eyeto
load theve hicle.
00BBVe hicles with automatic transmission:
Shift the automatic transmission toposition
005C.
00CE Ve
hicles with automatic transmission:
The au tomatic transmission may be loc ked
in position 005Dintheeve nt of damage tothe
electrical sy stem. Toshift to005C, pr ovide the
on-board electrical sy stem with po wer
(
→page 340).
00BBLoad theve hicle onto the transpor ter.
00BBVe hicles with automatic transmission:
Shift the automatic transmission toposition
005D.
00BBUse the electric parking brake tosecure the
ve hicle and pr event it from rolling away.
00BBOnly secure theve hicle bythe wheels.
Ve hicles with ADS PLUS (Adaptive Damping
Sy stem PLUS)
0071
WARNING Risk of an accident when
transporting vehicles with Adaptive
Damping Sy stem PLUS
The reduced damping forc es on theve hicle
being transpor ted can cause theve hicle/
trailer combination tostart toswing.
As a result, when transporting vehicles with
th eAd aptive Damping Sy stem PLUS, the
ve hicle/trailer combination may start toskid.
Consequentl y,yo u could lose cont rol of your
ve hicle.
00BBWhen transporting, ensure that:
34 6
Breakdown assis tance

ingstatus (→page 355). Observ eth e no tes
on tire temp erature (→page 354).
00CE The values displa yed in the multifunction dis‐
play may deviate from those of the tire pres‐
sure gauge as they referto sea le vel.At high
altitudes, the tire pressure values indicated
by pressure gauges are higher than those
shown bythe on-board computer. In this
case, do not reduce the tire pressure.
Make sure toobser vethefo llowing fur ther rela‐
te d subjec t:
RNotes on tire pressure (→page 354)
Rest arting the tire pressure moni toring sys‐
te m
Requ irement:
RTherecommended tire pressure is cor rectly
set forth ere spective operating condition on
each of thefo ur wheels (
→page 354).
Re start the tire pressure monitoring sy stem in
th efo llowing situations:
RThe tire pressure has changed.
RThe wheels or tires ha vebeen changed or
newly ins talled.
On-board computer:
00866HUYLFH00CF7LUHV
00BBSwipe down wards on theTo uch Control on
th e left-hand side of thesteering wheel.
The 8VH &XUUHQW 3UHVVXUHV DV 1HZ 5HIHU
HQFH 9DOXHV message is shown in the multi‐
function displa y.
00BBPress0076toconfirm there start.
The 7LUH 3UHVV 0RQLWRU 5HVWDUWHG message is
shown in the multifunction displa y.
Cur rent wa rning messages are dele ted and
th e0077 yellow warning lamp goes out.
Af teryo u ha vedriven for a few minutes, the
sy stem checks whe ther the cur rent tire pres‐
sure s are within the specified range. The cur‐
re nt tire pressures are then accep ted as ref‐
erence values and monitored.
Make sure toobser vethefo llowing fur ther rela‐
te d subjec t:
RNotes on tire pressure (→page 354) Ra
dio-equipment appr oval of the tire pres‐
sure moni toring sy stem
Ra dio equipment appr oval numbers
Countr yRadio equipment appr oval
number
Canada
USA FCC ID: MRX
AG5SP4
FCC ID: MRXMFR
IC: 2546A -AG5SP4
Fu rther information on the declaration of con‐
fo rm ity for wireless vehicle components
(
→page 23).
Ti re pressure loss warning sy stem
Fu nction of the tire pressure loss warning
sy stem
The tire pressure loss warning sy stem warnsth e
driver bymeans of display message s whenthere
is a se vere tire pressure loss.
Af ter a change in tire pressure, a wheel rotation
or a wheel change, the tire pressure loss warn‐
Wheels and tires 359

impairthesteering and handling characteris‐
tics and lead tobrake failure.
00BBObser vethe load rating of the tires.
00BBThe load rating must be at least half the
permissible axle load of theve hicle.
00BBNe verove rload the tires by exceeding
th e maximum load.
The Tire and Loading Info rmation placard is on
th e B-pillar on the driver's side of theve hicle.
1Tire and Loading Info rmation placard
00CE
The data shown in the image is example
data.
The Tire and Loading Info rmation placard sho ws:
RMaximum number of seats 2according to
th e maximum number of people permitted to
tr ave l in theve hicle.
RMaximum permissible load 3comprises the
gros swe ight of all vehicle occupants, load
and luggage.
RRe commended tire pressures 1for cold
tires. The recommended tire pressures are
va lid forth e maximum permissible load and
up tothe maximum permissible vehicle
speed.
Please also no te:
RInformation on permissible weights and loads
on theve hicle identification plate
(
→page 385).
RInformation on tire pressure on the tire pres‐
sure table (→page 355).
Fu rther related subjects:
RDe term ining the maximum permissible load
(→page 361)
RNo tes on tire pressure (→page 354)
De term ining the maximum permissible load
The following steps ha vebeen de veloped as
re qu ired of all manufacturers under Title 49,
Code of U.S. Federal Regulations, Part57 5, pur‐
suant tothe "National Traf fic and Mo torVe hicle
Saf etyAc t of 1966".
Wheels and tires 361

Safety sy stems
Display messages
Possible causes/consequences and 0050Solutions
0025
00E5
,QRSHUDWLYH 6HH 2SHUDWRU
V
0DQXDO*
ABS and ESP
®are malfunctioning.
Other driving and driving saf etysy stems may also be malfunctioning.
The brake sy stem continues tooperate normally. The braking dis tance in an emergency braking situation can
increase.
0071 WARNING Risk of skidding if ABS and ESP®are malfunctioning
If ABS and ESP
®are malfunctioning, the wheels could lock when braking and ESP®cannot carryout vehicle
st abilization.
The steering capability and braking characteristics are thus se verely impaired .Th ebr aking dis tance in an emer‐
ge ncy braking situation can increase. In addition, other driving saf etysy stems are switched off.
00BBDrive on carefull y.
00BBHave ABS and ESP®checked immediately at a qualified specialist workshop.
00BBDrive on carefully.
00BBConsult a qualified specialist workshop immediatel y.
396
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
0025
00E5
&XUUHQWO\ 8QDYDLODEOH 6HH
2SHUDWRU
V 0DQXDO*
ABS and ESP
®are temp orarily una vailable.
Other driving sy stems and driving saf etysy stems may also be temp orarily una vailable.
The brake sy stem continues tooperate normally. The braking dis tance in an emergency braking situation can
increase.
0071 WARNING Risk of skidding if ABS and ESP®are malfunctioning
If ABS and ESP
®are malfunctioning, the wheels could lock when braking and ESP®cannot carryout vehicle
st abilization.
The steering capability and braking characteristics are thus se verely impaired .Th ebr aking dis tance in an emer‐
ge ncy braking situation can increase. In addition, other driving saf etysy stems are switched off.
00BBDrive on carefull y.
00BBHave ABS and ESP®checked immediately at a qualified specialist workshop.
00BBDrive carefully on a suitable stre tch of road, making slight steering mo vements at a speed abo ve19 mp h
(30 km/h).
00BBIf th e display message does not disappear, consult a qualified specialist workshop immediately. Drive carefully.
Display messages and warning/indicator lamps 397

Displaymessages
Possible causes/consequences and 0050Solutions
007A
0025
00E5
,QRSHUDWLYH 6HH 2SHUDWRU
V
0DQXDO*
EBD, ABS and ESP
®are malfunctioning.
Other driving and driving saf etysy stems may also be malfunctioning.
0071
WARNING Risk of skidding if EBD, ABS and ESP®are malfunctioning
If EBD, ABS and ESP
®are malfunctioning, the wheels can lock when braking and ESP®cannot carryout vehicle
st abilization.
The steering capability and braking characteristics are thus se verely impaired .Th ebr aking dis tance in an emer‐
ge ncy braking situation can increase. In addition, other driving saf etysy stems are switched off.
00BBDrive on carefull y.
00BBHave the brake sy stem checked immediately at a qualified specialist workshop.
00BBDrive on carefully.
00BBConsult a qualified specialist workshop immediatel y.
400
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
0077
&KHFN 7LUHV*T
he tire pressure in one or more tires has dropped significantl y.The wheel position is displa yed.
0071
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
00BBObser vethere commended tire pressure.
00BBAd just the tire pressure if necessar y.
00BBStop theve hicle, paying attention toroad and traf fic conditions.
00BBCheck the tire pressure and the tires.
Display messages and warning/indicator lamps 427

Displaymessages
Possible causes/consequences and 0050Solutions
0077
:DUQLQJ 7LUH 0DOIXQFWLRQ*T
he tire pressure in one or more tires has dropped suddenly. The wheel position is displa yed.
0071
WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
RThe tires can overheat and cause a fire .
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
00BBDo not drive with a flat tire.
00BBObserv eth e no tes on flat tires.
No tes on flat tires (→page 332).
00BBSt op theve hicle, paying attention toroad and traf fic conditions.
00BBCheck the tires.
7LUH 3UHVV 0RQLWRU &XU
UHQWO\ 8QDYDLODEOH *N
o signals can be receive d from the tire pressure sensors due tostro ngradio signal source inter fere nce. The tire
pressure monito ring sy stem is temp orarily una vailable.
00BBDrive on.
The tire pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
428
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and 0050Solutions
0077
:KHHO 6HQVRUV 0LVVLQJ*T
here is no signal from the tire pressure sensor of one or more tires. The pressure of the af fected tire is not dis‐
play ed.
00BBHave the defective tire pressure sensor replaced at a qualified specialist workshop.
7LUH 3UHVVXUH 0RQLWRU ,QRS
HUDWLYH 1R :KHHO 6HQVRUV *T
he wheels ins talled do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
00BBIns tall wheels with suitable tire pressure sensors.
7LUH 3UHVV 0RQLWRU ,QRSHUD
WLYH *T
he tire pressure monitoring sy stem is defective.
0071
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tires.
Und erinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
00BBHa ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
00BBVisit a qualified specialist workshop.
7LUHV 2YHUKHDWHG *A
t least one tire is overheating. The af fected tires are displ ayed in red. At temp eratures close tothe limit value, the
tires are displa yed in yello w.
00BBDrive more slow ly.
Displ aymessage s andwarning/indicator lamps 429