2017 MERCEDES-BENZ S-Class CABRIOLET wheel size

Optional equipment weight (defi-
nition) ............................................ 320
PSI (pounds per square inch) (def-
inition) ...........................................319
Replacing ....................................... 320
Service life ..................................... 303
Sidewall (definition) ....................... 320
Snow chains .................................. 304
Speed rating (definition) ................ 319
Storing ...........................................3 21
Structure and characteristics
(definition) ..................................... 318
Summer tires in winter .................. 304
Temperature .................................. 315
TIN (Tire Identification Number)
(definition) ..................................... 320
Tire bead (definition) ......................3 20
Tire pressure (definition) ................ 320
Tire pressures (recommended) ...... 319
Tire size (data) ............................... 325
Tire size designation, load-bearing
capacity, speed rating .................... 315
Tire tread ....................................... 303
Tire tread (definition) ..................... 320
Total load limit (definition) ............. 320
Traction ......................................... 314
Traction (definition) ....................... 320
Tread wear ..................................... 314
Uniform Tire Quality Grading
Standards ...................................... 314
Uniform Tire Quality Grading
Standards (definition) .................... 318
Wear indicator (definition) ............. 320
Wheel and tire combination ........... 325
Wheel rim (definition) .................... 319
see Flat tire
Touchpad
Changing the station/music
track .............................................. 246
Character suggestions ................... 245
Deleting characters ....................... 246
Entering a space ............................ 246
Entering characters ....................... 245
Gesture control .............................. 245
Handwriting recognition ................ 246
Operating the touchpad ................. 245
Overview ........................................ 245
Qu

ick access for Audio .................. 246 Quick access for telephone ........... 246
Switching ....................................... 245
Switching input line ....................... 246
Tow-starting
Emergency engine starting ............ 299
Important safety notes .................. 297
Towing away
Important safety guidelines ........... 297
Installing the towing eye ................ 298
Notes for 4MATIC vehicles ............ 299
Removing the towing eye ............... 298
Transporting the vehicle ................ 299
With both axles on the ground ....... 298
Towing eye ......................................... 288
Traffic reports
see also Digital Operator's Man-
ual .................................................. 243
Traffic Sign Assist
Activating ....................................... 177
Display message ............................ 223
Function/notes ............................. 177
Important safety notes .................. 177
Instrument cluster display ............. 178
Switching on/off ........................... 199
Transfer case ..................................... 138
Transmission
see Automatic transmission
Transporting the vehicle .................. 299
Trim pieces (cleaning instruc-
tions) .................................................. 286
Trip computer (on-board com-
puter) .................................................. 192
Trip odometer
Calling up ....................................... 191
Resetting (on-board computer) ...... 192
Trunk
Emergency release .......................... 84
Emergency release button ............... 85
Important safety notes .................... 80
Locking separately ........................... 84
Opening ........................................... 81
Opening/closing (automatically
from inside) ...................................... 83
Opening/closing (automatically
from outside) ................................... 81
Opening/closing (from outside,
HANDS-FREE ACCESS) .................... 82
Index21

Restraintsystem ............................ 23 7
Seat belt ........................................ 23 2
Steerin g........................................ .242
Tire pressure monitor .................... 241
Warranty .............................................. 26
Washer fluid
Display message ............................ 230
Weather display (COMAND)
see also Digital Operator's Man-
ual ..................................................2 43
Wheel and tire combinations
Tires ............................................... 325
Wheel bolt tightening torque ........... 325
Wheel chock ...................................... 321
Wheels
Changing a wheel .......................... 320
Checking ........................................ 302
Cleaning ......................................... 283
Important safety notes .................. 302
Information on driving .................... 302
Interchanging/changing ................ 320
Mounting a new wheel ................... 324
Mounting a wheel .......................... 321
Removing a wheel .......................... 324
Snow chains .................................. 304
Storing ...........................................3 21
Tightening torque ........................... 325
Wheel size/tire size ....................... 325
Wind deflector (cleaning instruc-
tions) ..................................................2 82
Wind screen (cleaning instruc-
tions) ..................................................2 83
Windows
see Side windows
Windshield
Defrosting ...................................... 118
Infrared reflective .......................... 271
Windshield washer fluid
see Windshield washer system
Windshield washer system
Adding washer fluid ....................... 277
Important safety notes .................. 333
Notes ............................................. 333
Windshield wipe
rs
Problem (malfunction) ................... 113
Replacing the wiper blades ............ 112
Switching on/off ........................... 111 Winter driving
Important safety notes .................. 304
Slippery road surfaces ................... 148
Snow chains .................................. 304
Winter operation
Radiator cover ............................... 273
Summer tires ................................. 304
Winter tires
M+S tires ....................................... 304
Wiper blades
Cleaning ......................................... 283
Important safety notes .................. 112
Replacing ....................................... 112
Wooden trim (cleaning instruc-
tions) ..................................................2 86
Workshop
see Qualified specialist workshop
Index23

uations, PRE-SAFE®PLUS takes pre-emptive
measures to protect the veh icleoccupants.
Important safety notes
The intervention of PRE-SAFE®PLUS cannot
prevent an imminent co llision.
The driverisnot warned when PRE-SAFE
®PLUS
intervenes.
PRE-SAFE
®PLUS does not intervene ifthe veh i-
cle isbacking up.
When driving, or when parking or exiting a park-
ing space with assistance from Active Parking
Assist, PRE-SAFE
®PLUS willnotapply the
brakes.
Function
PRE-SAFE®PLUS intervenes incertain situa-
tions ifthe radar sensor system detects an
imminent head-on or rear-end co llision.
PRE-SAFE
®PLUS takes the foll owing measures
dependin g on the hazardous situation detected:
Rifthe radar sensor system detects that a
head-on co llisionis imminent, the seat belts
are pre-tensioned.
Rif the radar sensor system detects that a rear-
end co llisionis imminent:
-the brake pressure isincreased ifthe driv er
applies the brakes when the veh icle issta-
tionary.
-the seat belts are pre-tensioned.
The PRE-SAFE®PLUS braking applicationiscan-
celed:
Rif the accelerator pedal is depressed when a
gear isengaged
Rifthe risk of a co llision passes or isno longer
detected
Rif DI ST RONIC PLUS indicates an intention to
pull away
If the hazardous situation passes without result-
ing inan acc ident, the original settings are
restored.
Automatic measures after an acci-
dent
Im mediate lyafter an accident, the foll owing
measures are implemented, depending on the
type and severity of the impact:
Rthe hazard warning lamps are activated
Rthe emergency lighting is activated
Rthe vehicle doors are unlocked
Rthe front side wind ows are lowered
Rthe electrically adjustable steering wheel is
raised
Rthe engine is switched off and the fuel supply
is cut off
Rvehicles with mbrace: automatic emergency
call
Children in the vehicle
Important safety notes
Accident statistics show that ch ildren secured
in the rear seats are safer than ch ildren secured
in the front-passenger seat. For this reason,
Mercedes-Benz strongly advises that you install
a child restraint system on a rear seat. Children
are generally better protected there.
If a child younger than twelve years old and
under 5 ft (1.50 m) in height is traveling in the
vehicle:
Ralways secure the child ina child restraint
system suitable for Mercedes-Benz vehicles.
The child restraint system must be appropri-
ate to the age, weight and size of the child
Rbe sure to observe the instructions and safety
notes inthis section inaddition to the child
restraint system manufacturer's installation
instructions
Rbe sure to observe the instructions and safety
notes on the "Occupant classification system
(OCS)" (
Ypage 49)
GWARNING
If you leave children unsupervised in the vehi-
cle, they could set it inmotion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking position P.
Rstart the engine.
Children in the vehicle57
Safety
Z

be shown in the instrument cluster
(Ypage 205).
Only use wheels with the recommended tire
sizes. Only then will ESP
®function properly.
Characteristics of ESP®
General information
If the ÷ ESP warning lamp goes out before
beginning the journey, ESP®is automatically
active.
If ESP
®intervenes, the ÷ESP®warning lamp
flashes in the instrument cluster.
If ESP
®intervenes:
XDo not deactivate ESP®under any circum-
stances.
XOnly depress the accelerator pedal as far as
necessary when pulling away.
XAdapt your driving style to suit the prevailing
road and weather conditions.
ECO start/stop function
The ECO start/stop function switches the
engine off automatically when the vehicle stops
moving. The engine starts automatically when
the driver wants to pull away again. ESP
®
remains in its previously selected status, e.g. if
ESP®was deactivated before the engine was
automatically switched off.
Deactivating/activating ESP®
Important safety notes
iObserve the "Important safety notes" sec-
tion (Ypage 61).
You can select between the following states of
ESP
®:
RESP®is activated.
RESP®is deactivated.
GWARNING
If you deactivate ESP
®, ESP®no longer sta-
bilizes the vehicle. There is an increased risk
of skidding and an accident.
Only deactivate ESP
®in the situations descri-
bed in the following. It may be best to deactivate ESP
®in the follow-
ing situations:
Rwhen using snow chains
Rin deep snow
Ron sand or gravel
Spinning the wheels results in a cutting action
which provides better grip.
iActivate ESP®as soon as the situations
described above no longer apply. ESP®will
otherwise not be able to stabilize the vehicle if
the vehicle starts to skid or a wheel starts to
spin.
!Avoid spinning the driven wheels for an
extended period with ESP®deactivated. You
could otherwise damage the drivetrain.
Deactivating/activating ESP®
You can deactivate or activate ESP®via the on-
board computer (Ypage 198).
ESP®deactivated:
The å ESP®OFF warning lamp in the instru-
ment cluster lights up.
ESP
®activated:
The å ESP®OFF warning lamp in the instru-
ment cluster goes out.
Characteristics when ESP®is deactivated
If ESP®is deactivated and one or more wheels
start to spin, the ÷ESP®warning lamp in the
instrument cluster flashes. In such situations,
ESP
®will not stabilize the vehicle.
If you deactivate ESP®:
RESP®no longer improves driving stability.
REngine torque is no longer limited and the
drive wheels are able to spin.
RTraction control is still activated.
RCOLLISION PREVENTION ASSIST is no longer
available; nor is it activated if you brake firmly
with assistance from ESP
®.
RPRE-SAFE®is no longer available, nor is it
activated if you brake firmly and ESP®inter-
venes.
RPRE-SAFE®Brake is no longer available, it is
also not activated if you brake firmly and ESP®
intervenes.
RESP®still provides support when you brake
firmly.
Driving safety systems67
Safety
Z

Position of the steering wheel and the
driver's seat for driving
The steering wheel and the driver's seat are
moved to the previously set position if:
Rthe driver's door is closed and you insert the
SmartKey into the ignition lock
Ryou close the driver's door when the ignition
is switched on
Ryou press the Start/Stop button once
iThe steering wheel and the driver's seat only
return to the last set position if the driving
position is stored after the seat or steering
column has been adjusted.
The last position of the steering wheel or seat is
stored if:
Rthe ignition is switched off
Rthe setting is stored with the memory function
(Ypage 106).
Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is trig-
gered in an accident, the steering column will
move upwards when the driver's door is opened
or the SmartKey is removed from the ignition
lock. This makes it easier to exit the vehicle and rescue the occupants.
The crash-responsive EASY-EXIT feature is only
operational if the EASY-EXIT/ENTRY feature is
activated in the multimedia system (see the sep-
arate Operator's Manual).
Mirrors
Exterior mirrors
Important safety notes
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer- ing wheel and mirror and fasten your seat belt
before starting the engine.
GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
Adjusting the exterior mirrors
XSwitch on the power supply or the ignition
(Ypage 125).
XExterior mirror on the front-passenger side:
press button ;.
Exterior mirror on the driver's side: press but-
ton =.
The indicator lamp lights up in the button that
has been pressed.
The indicator lamp goes out again after some
time. You can adjust the selected exterior
mirror using button :as long as the indicator
lamp is lit.
XPress button :up, down, or to the left or
right until you have adjusted the exterior mir- ror to the correct position. You should have a
good overview of traffic conditions.
The convex exterior mirrors provide a larger field of vision.
After the engine has been started, the exterior
mirrors are automatically heated if the rear win-
Mirrors103
Seats, steering wheel and mirrors
Z

Rthat are parallel to the direction of travel andat least 39.5 in (1.0 m)longer than your vehi-
cle
Rthat are at right angles to the direction of
travel and at least 39.5 in (1.0 m) wider than
your vehicle
iNote that Active Parking Assist cannot
measure the size of a parking space if it is at
right angles to the direction of travel. You will
need to judge whether your vehicle will fit into the parking space.
When driving at speeds below 19 mph
(30 km/h), you will see the parking symbol as a
status indicator in the instrument cluster. When
a parking space has been detected, an arrow
towards the right or the left also appears. By
default, Active Parking Assist only displays park-
ing spaces on the front-passenger side. Parking
spaces on the driver's side are displayed as
soon as the turn signal on the driver's side is
activated. When parking on the driver's side,
this must remain switched on until you acknowl-
edge the use of Active Parking Assist by press-
ing the abutton on the multifunction steer-
ing wheel. The system automatically determines
whether the parking space is parallel or at right
angles to the direction of travel.
A parking space is displayed while you are driv-
ing past it, and until you are approximately 50 ft (15 m) away from it.
Parking
GWARNING
If you leave the vehicle when it is only being
braked by Active Parking Assist it could roll
away if:
Rthere is a malfunction in the system or in
the voltage supply.
Rthe electrical system in the engine com-
partment, the battery or the fuses have
been tampered with.
Rthe battery is disconnected.
Rthe accelerator pedal has been depressed,
e.g. by a vehicle occupant.
There is a risk of an accident.
Before leaving the vehicle, always secure it
against rolling away.
iWhen PARKTRONIC detects obstacles,
Active Parking Assist brakes automatically
during the parking process. You are respon-
sible for braking in good time.
XStop the vehicle when the parking space sym- bol shows the desired parking space in the
instrument cluster.
XShift the transmission to position R.
The Start
ParkAssist?Yes:OKNo:%
message appears in the multifunction display.
XTo cancel the procedure: press the%
button on the multifunction steering wheel or
pull away.
or
XTo park using Active Parking Assist: press
the a button on the multifunction steering
wheel.
The Park Assist Active Accelerate
and BrakeObserve Surroundingsmes-
sage appears in the multifunction display.
XLet go of the multifunction steering wheel.
XBack up the vehicle, being ready to brake at all
times. When backing up, drive at a speed
below approximately 6 mph (10 km/h). Oth-
erwise Active Parking Assist will be canceled.
Active Parking Assist brakes the vehicle to a
standstill when the vehicle approaches the
rear border of the parking space.
Maneuvering may be required in tight parking
spaces.
The Park
AssistActiveSelect DObserveSurroundingsmessage appears in the multi-
function display.
XShift the transmission to position Dwhile the
vehicle is stationary.
Active Parking Assist immediately steers in
the other direction.
The Park Assist Active Accelerate
and BrakeObserve Surroundingsmes-
sage appears in the multifunction display.
iYou will achieve the best results by waiting
for the steering procedure to complete before
pulling away.
XDrive forwards and be ready to brake at all
times.
Active Parking Assist brakes the vehicle to a
standstill when the vehicle approaches the
rear border of the parking space.
The Park
AssistActiveSelect RObserveSurroundingsmessage appears in the multi-
function display.
166Driving systems
Driving and parking

MOExtended tires (tires with run-flat
properties)
General notes
With MOExtended tires (tires with run flat char-
acteristics), you can continue to drive your vehi-
cle even if there is a total loss of pressure in one
or more tires. The affected tire must not show
any clearly visible damage.
You can recognize MOExtended tires by the
MOExtended marking which appears on the
sidewall of the tire. You will find this marking
next to the tire size designation, the load-bear-
ing capacity and the speed index (
Ypage 315).
MOExtended tires may only be used in conjunc-
tion with an active tire pressure monitor.
If a pressure loss warning message appears
in the multifunction display:
Robserve the instructions in the display mes-
sages (Ypage 226).
Rcheck the tire for damage.
Rif driving on, observe the following notes.
The driving distance possible in run-flat mode is
approximately 50 miles (80 km) when the vehi-
cle is partially laden. When the vehicle is fully
laden it is approximately 19 miles (30 km).
In addition to the vehicle load, the driving dis-
tance possible depends upon:
RVehicle speed
RRoad condition
ROutside temperature
The driving distance possible in run-flat mode
may be reduced by extreme driving conditions
or maneuvers, or it can be increased through a
moderate style of driving.
The driving distance possible in run-flat mode is
counted from the moment the tire pressure loss
warning appears in the multifunction display.
You must not exceed a maximum permissible
speed of 50 mph (80 km/h).
When replacing one or all tires, please observe
the following specifications for your vehicle's
tires:
Rsize
Rthe type and
Rthe "MOExtended" mark
If a tire has gone flat and cannot be replaced
with a MOExtended tire, a standard tire may be
used as a tempora ry mea
sure. Make sure that you use the proper size and type (summer or
winter tires).
Vehicles equipped with MOExtended tires are
not equipped with a TIREFIT kit at the factory. It
is therefore recommended that you additionally
equip your vehicle with a TIREFIT kit if you mount
tires that do not feature run-flat properties, e.g.
winter tires. A TIREFIT kit may be obtained from
a qualified specialist workshop.
Important safety notes
GWARNING
When driving in emergency mode, the driving
characteristics deteriorate, e.g. when corner-
ing, accelerating quickly and when braking.
There is a risk of an accident.
Do not exceed the stated maximum speed.
Avoid abrupt steering and driving maneuvers,
and driving over obstacles (curbs, potholes,
off-road). This applies in particular to a laden
vehicle.
Stop driving in emergency mode if:
Ryou hear banging noises.
Rthe vehicle starts to shake.
Ryou see smoke and smell rubber.
RESP®is intervening constantly.
Rthere are tears in the sidewalls of the tire.
After driving in emergency mode, have the
wheel rims checked at a qualified specialist
workshop with regard to their further use. The
defective tire must be replaced in every case.
TIREFIT kit
Important safety notes
TIREFIT is a tire sealant.
You can use TIREFIT to seal punctures of up to
0.16 in (4 mm), particularly those in the tire
tread. You can use TIREFIT at outside tempera-
tures down to Ò4 ‡ (Ò20 †).
Flat tire289
Breakdown assistance
Z

Important safety notes
GWARNING
If wheels and tires of th ewrong siz eare used,
th ewhee lbrakes or suspension component s
may be damaged. Ther eis aris kof an acci-
dent.
Always replace wheels and tires wit hthose
that fulfill th especification sof th eoriginal
part .
When replacing wheels, mak esur eto use th e
correct:
Rdesignation
Rmodel
When replacing tires ,mak esur eto use th e
correct:
Rdesignation
Rmanufacturer
Rmodel
GWARNIN G
A flat tire severely impairs th edriving ,steer -
ing and braking characteristics of th evehicle.
Ther eis aris kof accident.
Tires without run-flat characteristics :
Rdo notdriv ewit h a flat tire.
Rimmediately replace th eflat tire wit hyour
emergenc yspar ewhee lor spar ewheel, or
consult aqualified specialist workshop.
Tires wit hrun-flat characteristics :
Rpay attention to theinformation and warn -
ing notice son MOExtended tires (tire swit h
run-flat characteristics).
Accessories that are no tapprove dfor your vehi-
cle by Mercedes-Ben zor are no tbein gused cor-
rectl ycan impair th eoperating safety.
Before purchasing and usin gnon-approve d
accessories, visit aqualified specialist work-
sho pand inquire about :
Rsuitability
Rlegal stipulation s
Rfactory recommendation sInformation on th
esizes and types of wheels and
tires for your vehicl ecan be foun dunder
"Wheel/tire combinations" (
Ypage 325).
Information on tire pressur ecan be found:
Ron th evehicle's Tir eand Loading Information
placard on th eB-pillar (Ypage 311)
Rin thetire pressur etable in th efuel filler flap
(Ypage 140)
Runder "Tir epressure" (Ypage 305)
Operation
Information on driving
Checkth etire pressur ewhen th evehicl eis
heavily laden and adjust prio rto atrip.
While driving ,pay attention to vibrations, noises
and unusual handlin gcharacteristics ,e.g. pull-
ing to on eside .This may indicat ethat th e
wheels or tires are damaged. If you suspec tthat
a tire is defective, reduce your spee dimmedi-
ately. Stop th evehicl eas soo nas possible to
chec kth ewheels and tires for damage. Hidden
tire damag ecould also be causing th eunusual
handlin gcharacteristics .If you fin dno sign sof
damage, hav eth etires and wheels checke dat a
qualified specialist workshop.
When parking your vehicle, mak esur ethat th e
tires do no tget deformed by th ecur bor other
obstacles. If they canno tbe avoided, driv eove r
obstacles suc has curbs slowly and at an obtuse
angle. Otherwise, you may damag eth ewheels
or tires .
Regular checking of wheels and tires
GWARNIN G
Damaged tires can caus etire inflation pres-
sur eloss .As aresult ,you could lose control of
your vehicle. Ther eis aris kof accident.
Chec kth etires regularly for sign sof damag e
and replace any damaged tires immediately.
Chec kwheels and tires for damag eat least once
a month .Chec kwheels and tires after driving
off-road or on roug hroads. Damaged wheels
can caus e aloss of tire pressure.
Pay particular attention to damag esuc has:
Rcut sin th etires
Rpunctures in th etires
302Operation
Wheels and tires