2014 MERCEDES-BENZ SLS AMG ROADSTER wheel size

GAWR (Gross Axle Weight Rating)
(definition)
..................................... 266
GVW (Gross Vehicle Weight)
(definition) ..................................... 267
GVWR (Gross Vehicle Weight
Rating) (definition) .........................267
Important safety notes ..................248
Increased vehicle weight due to
optional equipment (definition) ......266
Kilopascal (kPa) (definition) ...........267
Labeling (overview )........................ 262
Load bearing index (definition) ......268
Load index ..................................... 265
Load index (definition) ...................267
Maximum loaded vehicle weight
(definition) ..................................... 267
Maximum load on a tire (definition) 267
Maximum permissible tire
pressure (definition) ....................... 267
Maximum tire loa d......................... 265
Maximum tire load (definition) .......267
Optional equipment weight
(definition) ..................................... 268
PSI (pounds per square inch)
(definition) ..................................... 267
Replacing ....................................... 268
Service life ..................................... 250
Sidewall (definition) .......................268
Speed rating (definition) ................267
Storing ........................................... 269
Structure and characteristics
(definition) ..................................... 266
Technical data ............................... 275
Temperature .................................. 262
TIN (Tire Identification Number)
(definition) ..................................... 268
Tire bead (definition) ......................268
Tire pressure (definition) ................267
Tire pressures (recommended )...... 266
Tire size (data) ............................... 273
Tire size designation, load-bearing
capacity, speed rating .................... 262
Tire tread ....................................... 249
Tire tread (definition) .....................268
Total load limit (definition) .............268
Traction ......................................... 261
Traction (definition) .......................268
Tread wea r..................................... 261Uniform Tire Quality Grading
Standards
...................................... 261
Uniform Tire Quality Grading
Standards (definition) ....................266
Unladen weight (definition) ............267
Wear indicator (definition) .............268
Wheel rim (definition) ....................266
see Flat tire
Top Tether ............................................ 53
Tow-away alarm .................................. 59
Towing Important safety guidelines ...........242
Installing the towing eye ................243
Removing the towing eye ...............243
With the rear axle raised ................243
Towing away
With both axles on the ground .......244
Transmission
Driving tips .................................... 124
Selector lever ................................ 121
Shift range ..................................... 127
Transmission position display .........123
Transmission positions ....................123
Transporting the vehicle ..................244
Trim pieces (cleaning instructions) .229
Trip computer (on-board computer) 153
Trip odometer Calling up ....................................... 152
Trunk
Emergency release ..........................74
Important safety guidelines .............72
Locking separately ...........................74
Opening (automatically from
inside) .............................................. 73
Trunk lid
Display message ............................ 184
Opening/closing ........................72, 73
Opening dimensions ......................284
Trunk load (maximum) ......................284
see Technical data
Turn signal (display message) .........174
Turn signals Switching on/off .............................. 98
Type identification plate
see Vehicle identification plate Index
15

U
Unlocking Emergency unlocking .......................71
From inside the vehicle (central
unlocking button) ............................. 70
Upshift indicator ............................... 128V
Vanity mirror (in the sun visor) ........202
Vehicle Correct use ...................................... 23
Data acquisition ............................... 24
Display message ............................ 184
Equipment ....................................... 19
Individual settings ..........................157
Limited Warranty ............................. 23
Loading .......................................... 258
Locking (in an emergency) ...............71
Locking (SmartKey) .......................... 62
Lowering ........................................ 273
Maintenance .................................... 20
Parking for a long period ................ 134
Pulling away ................................... 120
Raising ........................................... 270
Reporting problems .........................23
Towing away .................................. 242
Transporting .................................. 244
Unlocking (in an emergency) ...........71
Unlocking (SmartKey) ................62, 68
Vehicle data ................................... 284
Vehicle data ....................................... 284
see Technical data
Vehicle dimensions ...........................284
see Technical data
Vehicle emergency locking ................71
Vehicle identification number see VIN
Vehicle identification plate ..............278
Vehicle tool kit .................................. 232
Vehicle weights see Technical data
Video (DVD) ........................................ 155
VIN ...................................................... 278 W
Warning and indicator lamps ABS ................................................ 192
Brakes ................................... 190, 192
Check Engine ................................. 195
Cruise control ................................ 139
ESP ®
.............................................. 193
Fuel tank ........................................ 196
Overview .......................................... 28
PASSENGER AIR BAG OFF
indicator lamp .................................. 42
Reserve fuel ................................... 196
Seat belt ........................................ 191
SPORT handling mode ...................193
SRS ................................................ 194
Tire pressure monitor ....................197
Warranty ............................................ 278
Washer fluid see Windshield washer system
Washer fluid (display message) .......185
Weight see Technical data
Wheel bolt tightening torque ...........273
Wheel chock ...................................... 269
Wheels Checking ........................................ 249
Cleaning ......................................... 225
Important safety notes ..................248
Interchanging/changing ................268
Mounting a new wheel ...................272
Mounting a wheel .......................... 269
Removing a wheel ..........................271
Storing ........................................... 269
Tightening torque ........................... 273
Wheel size/tire size .......................273
Windows
see Side windows
Windshield washer system ..............221
Filling capacity ............................... 284
Notes ............................................. 284
Windshield wipers
Problem (malfunction) ...................103
Replacing the wiper blades ............102
Switching on/off ........................... 10116
Index

As the air bag inflates with considerable
speed and force, a proper seating position
and correct positioning of the hands on the
steering wheel will help to keep you at a safe
distance from the air bag. Occupants who are
not wearing their seat belt, are not seated
properly or are too close to the air bag can be
seriously injured or killed by an air bag as it
inflates with great force instantaneously:
R sit with the seat belt fastened correctly and
in a position that is as upright as possible
with your back against the backrest.
R move the driver's seat as far back as
possible, still permitting proper operation
of vehicle controls. The distance from the
center of the driver's chest to the center of
the air bag cover on the steering wheel
must be at least 10 inches(25 cm) or more.
You should be able to accomplish this by
adjusting the seat and steering wheel. If
you have any difficulties, please contact an
authorized Mercedes-Benz Center.
R do not lean your head or chest close to the
steering wheel or dashboard.
R only hold the steering wheel on the outside.
Placing hands and arms inside the rim can
increase the risk and potential severity of
hand/arm injury when the driver front air
bag inflates.
R adjust the front-passenger seat as far back
as possible from the dashboard when the
seat is occupied.
R Occupants, especially children, should
never place their bodies or lean their heads
in the area of the door or the seat where the
head bag or side impact air bag inflates.
This could result in serious injuries or death
should the head bag or side impact air bag
be deployed. Always sit as upright as
possible, wear the seat belt properly and
use an appropriately sized infant restraint,
toddler restraint, or booster seat
recommended for the size and weight of the
child.
Failure to follow these instructions can result
in severe injuries to you or other occupants. If you sell your vehicle, it is important that you
make the buyer aware of this safety
information. Be sure to give the buyer this
Operator's Manual.
G
WARNING
There is a possibility of a head bag- or side
impact air bag-related injury if occupants,
especially children, are not properly seated or
restrained when next to a head bag or side
impact air bag that needs to deploy rapidly in
a side impact in order to do its job.
To help avoid the possibility of injury, please
follow these guidelines:
(1) Occupants, especially children, should never place their bodies or
lean their heads in the area of the
door or the seat where the head
bag or side impact air bag inflates.
This could result in serious injuries
or death should the head bag or
side impact air bag be deployed.
(2) Always sit as upright as possible, and use the seat belts properly.
Make sure that children 12 years
old and under use an appropriately
infant restraint, toddler restraint
or booster seat recommended for
the size and weight of the child.
(3) Always wear seat belts properly.
If you believe that, even with the use of these
guidelines, it would be safer for your
passenger seat occupants to have the
passenger side head bag or side impact air
bag deactivated, then deactivation can be
carried out upon your written request at an
authorized Mercedes-Benz Center at an
additional cost.
Please contact an authorized Mercedes-Benz
Center or call the Customer Assistance
Center (in the USA) at 1-800-FOR-MERCedes
(1-800-367-6372), or Customer Service (in
Canada) at 1-800-387-0100 for details.
The air bags are only deployed if the air bag
control unit detects the need for deployment. Occupant safety
39Safety Z

A child's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint.
Children that are too large for a child restraint
must travel in seats using normal seat belts.
Position the shoulder belt across the chest
and shoulder, not the face or neck. A booster
seat may be necessary to achieve proper seat
belt positioning for children over 41 lbs
(18 kg) until they reach a height where a lap/
shoulder belt fits properly without a booster
seat.
When the child restraint is not in use, remove
it from the vehicle or secure it with the seat
belt to prevent the child restraint from
becoming a projectile in the event of an
accident. G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very hot, and the child could be burned on these
parts.
G
WARNING
Do not carry heavy or hard objects in the
passenger compartment unless they are
firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of:
R strong braking maneuvers
R sudden changes of direction
R an accident
If an infant or child is traveling in the vehicle:
X Secure the child with a child or infant seat
restraint system appropriate to the age and
weight of the child.
X Make sure that the infant or child is
properly secured at all times while the
vehicle is in motion.
Mercedes-Benz recommends that you always
properly secure all infants and children with
a child or infant seat restraint system for the
trip.
The use of seat belts and infant and child
restraint systems is required by law in:
R all 50 states
R the U.S. territories
R the District of Columbia
R all Canadian provinces
Infants and children must always be seated in
an appropriate infant or child restraint system
recommended for the size and weight of the
child. The infant or child restraint system
must be properly secured with a three-point
seat belt in accordance with the
manufacturer's instructions.
All infant or child restraint systems must meet
the following standards:
R U.S. Federal Motor Vehicle Safety
Standards 213 and 225
R Canadian Motor Vehicle Safety Standards
213 and 210.2 52
Child restraint systemsSafety

!
Switch the ignition off when:
R the electric parking brake is being tested
using a brake dynamometer.
R the vehicle is being towed with the rear
axle raised.
Application of the brakes by ESP ®
may
otherwise destroy the brake system.
When SPORT handling mode is activated, the
M warning lamp lights up in the instrument
panel.
When ESP ®
is deactivated, the åand
h warning lamps light up in the instrument
panel.
Observe the information on warning lamps
(Y page 193) and display messages which
may be shown in the instrument cluster
(Y page 170).
i Only use wheels with the recommended
tire sizes. Only then will ESP ®
function
properly.
Characteristics of ESP ®ESP
®
is activated automatically when the
engine is started.
If ESP ®
intervenes, the hESP®
warning
lamp flashes in the instrument cluster.
If ESP ®
intervenes:
X Do not deactivate ESP ®
under any
circumstances.
X Only depress the accelerator pedal as far
as necessary when pulling away.
X Adapt your driving style to suit the
prevailing road and weather conditions.
Deactivating/activating ESP ®Important safety notes
i
Observe the "Important safety notes"
section (Y page 54). You can select between the following states
of ESP
®
:
R ESP ®
is activated.
R SPORT handling mode is activated.
R ESP ®
is deactivated. G
WARNING
When SPORT handling mode is activated,
there is a greater risk of skidding and
accidents.
Only activate SPORT handling mode in the
situations described in the following. G
WARNING
If you deactivate ESP ®
, ESP ®
no longer
stabilizes the vehicle. There is an increased
risk of skidding and an accident.
Only deactivate ESP ®
in the situations
described in the following.
In the following situations, it may be better to
activate SPORT handling mode or deactivate
ESP ®
:
R when using snow chains
R in deep snow
R on sand or gravel
R when driving on designated roads when the
vehicle's own oversteering and
understeering characteristics are desired
Driving in SPORT handling mode or without
ESP ®
requires an extremely qualified and
experienced driver.
i Activate 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. 56
Driving safety systemsSafety

store the setting with the memory function
(Y page 92).
Crash-responsive EASY-EXIT feature If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering column
will move upwards when the driver's door is
opened. This occurs irrespective of the
position of the SmartKey in 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 on-board computer. Mirrors
Rear-view mirror
X
Anti-glare mode: flick anti-glare
switch :forwards or back. Exterior mirrors
Adjusting the exterior mirrors G
WARNING
You could lose control of your vehicle if you
do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident. Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before starting the engine.
G
WARNING
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
distance from road users traveling behind,
e.g. when changing lane. There is a risk of an
accident.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
The convex exterior mirrors provide a larger
field of vision.
The exterior mirrors are heated automatically
if the rear window defroster is switched on
and the outside temperature is low. Mirror
heating lasts up to 10 minutes.
i You can also heat up the exterior mirrors
manually by switching on the rear window
defroster. X
Select key position 1or 2with the Start/
Stop button.
X Press button :for the left-hand exterior
mirror or button ;for the right-hand
exterior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected 90
MirrorsSeats, steering wheel and mirrors

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops (Y page 22).Important safety notes
G
WARNING
If wheels and tires of the wrong size are used,
the wheel brakes or suspension components
may be damaged. There is a risk of an
accident.
Always replace wheels and tires with those
that fulfill the specifications of the original
part.
When replacing wheels, make sure to use the
correct:
R designation
R model
When replacing tires, make sure to use the
correct:
R designation
R manufacturer
R model G
Warning
A flat tire severely impairs the driving,
steering and braking characteristics of the
vehicle. There is a risk of an accident.
do not drive with a flat tire. Immediately
replace the flat tire with your spare wheel, or
consult a qualified specialist workshop.
Accessories that are not approved for your
vehicle by Mercedes-Benz or that are not being used correctly can impair the operating
safety.
Before purchasing and using non-approved
accessories, visit a qualified specialist
workshop and inquire about:
R
suitability
R legal stipulations
R factory recommendations
Information on dimensions and types of
wheels and tires for your vehicle can be found
(Y page 273).
Information on air pressure for the tires on
your vehicle can be found:
R on the vehicle's Tire and Loading
Information placard on the B-pillar
R on the tire pressure label on the fuel filler
flap
R under "Tire pressure"
i Further information on wheels and tires
can be obtained at any qualified specialist
workshop. Operation
Information on driving
R If the vehicle is heavily loaded, check the
tire pressures and correct them if
necessary.
R While driving, pay attention to vibrations,
noises and unusual handling
characteristics, e.g. pulling to one side.
This may indicate that the wheels or tires
are damaged. If you suspect that a tire is
defective, reduce your speed immediately.
Stop the vehicle as soon as possible to
check the wheels and tires for damage.
Hidden tire damage could also be causing
the unusual handling characteristics. If you
find no signs of damage, have the wheels
and tires checked at a qualified specialist
workshop.
R When parking your vehicle, make sure that
the tires do not get deformed by the curb
or other obstacles. If it is necessary to drive 248
OperationWheels and tires

Bar indicator
:for tread wear is integrated
into the tire tread.
Treadwear indicators (TWI) are required by
law. Six indicators are positioned on the tire
tread. They are visible once the tread depth
is approximately áin (1.6 mm). If this is the
case, the tire is so worn that it must be
replaced. Selecting, mounting and replacing
tires
R Only mount tires and wheels of the same
type and make.
R Only mount tires of the correct size onto
the wheels.
R Break in new tires at moderate speeds for
the first 60 miles (100 km). They only reach
their full performance after this distance.
R Do not drive with tires which have too little
tread depth, as this significantly reduces
the traction on wet roads (hydroplaning).
R Replace the tires after six years at the
latest, regardless of wear. Winter operation
General notes
Have your vehicle winterproofed at a qualified
specialist workshop at the onset of winter.
Observe the notes in the "Changing a wheel"
section (Y page 268). Driving with summer tires
At temperatures below 45 ‡(+7 †), summer
tires experience a considerable loss in
elasticity and therefore traction and braking
power. Change the tires on your vehicle to
M+S tires. Using summer tires at very cold
temperatures could cause cracks to form,
thereby damaging the tires permanently.
Mercedes-Benz cannot accept responsibility
for this type of damage. M+S tires
G
WARNING
M+S tires with a tire tread depth of less than
ã in (4 mm) are not suitable for use in winter
and do not provide sufficient traction. There
is a risk of an accident.
M+S tires with a tread depth of less than ã
in (4 mm) must be replaced immediately.
At temperatures below 45 ‡ (+7 †), use
winter tires or all-season tires. Both types of
tire are identified by the M+S marking.
Only winter tires bearing the isnowflake
symbol in addition to the M+S marking
provide the best possible grip in wintry road
conditions. Only these tires will allow driving
safety systems such as ABS and ESP ®
to
function optimally in winter. This is because
these tires were specifically developed for
driving in snow.
Use M+S tires of the same make and tread on
all wheels to maintain safe handling
characteristics.
Always observe the maximum permissible
speed specified for the M+S tires you have
mounted.
When you have mounted the M+S tires:
X Check the tire pressures (Y page 251).
X Restart the tire pressure monitor
(Y page 257). 250
Winter operationWheels and tires