2018 MERCEDES-BENZ SL ROADSTER torque

Washer fluidDisplay message ............................ 225
Weather display (COMAND)
see also Digital Operator's Man-
ual .................................................. 236
Wheel and tire combinations
Tires ............................................... 308
Wheel bolt tightening torque ........... 308
Wheel chock ...................................... 305
Wheels
Changing a wheel .......................... 303
Checking ........................................ 285
Cleaning ......................................... 266
Important safety notes .................. 285
Information on driving .................... 285
Interchanging/changing ................ 304
Mounting a new wheel ...................3 07
Mounting a wheel .......................... 304
Overview ........................................ 285
Removing a wheel .......................... 307
Storing ...........................................3 04
Tightening torque ........................... 308
Wheel size/tire size ....................... 308
Wind screen
Electrical wind screen ......................9 2
Windows
see Side windows
Windshield
Defrosting ...................................... 117
Windshield washer fluid
see Windshield washer system
Windshield washer system
Adding washer fluid ....................... 261
Important safety notes .................. 316
Windshield wipers
Display message ............................ 225
Problem (malfunction) ................... 112
Replacing the wiper blades ............ 111
Switching on/off ........................... 110
Winter driving
Important safety notes .................. 287
Slippery road surfaces ................... 148
Snow chains .................................. 287
Winter operation
Overview ........................................ 287
Winter tires
M+S tires ....................................... 287 Wiper blades
Cleaning ......................................... 267
Important safety notes .................. 111
Replacing ....................................... 111
Workshop
see Qualified specialist workshop
Z
ZONE functionSwitching on/off ........................... 117
22Index

As a result, the Adaptive Brake Assist may not
intervene in all critical conditions. There is a
risk of an accident.
Always pay careful attention to the traffic sit-uation and be ready to brake.
Always adapt your speed to suit the prevailing
road and traffic conditions.
Due to the nature of the system, particularly
complicated but non-critical driving conditions
may also cause Brake Assist to intervene.
If adaptive Brake Assist is not available due to a
malfunction in the radar sensor system, the
brake system remains available with full brake
boosting effect and BAS.
Adaptive brake lights
i
Observe the "Important safety notes" sec-
tion (Ypage 60).
If you brake sharply from a speed of more than
50 km/h or if braking is assisted by BAS or
Brake Assist with Cross-Traffic Assist, the brake
lamps flash rapidly. In this way, traffic traveling
behind you is warned in an even more noticeable
manner.
If you brake sharply from a speed of more than
70 km/h to a standstill, the hazard warning
lamps are activated automatically. If the brakes
are applied again, the brake lamps light up con-
tinuously. The hazard warning lamps switch off
automatically if you travel faster than 10 km/h.
You can also switch off the hazard warning
lamps using the hazard warning button
(
Ypage 108).
ESP®(Electronic Stability Program)
General notes
iObserve the "Important safety notes" sec-
tion (Ypage 60).
ESP
®monitors driving stability and traction, i.e.
power transmission between the tires and the
road surface.
If ESP
®detects that the vehicle is deviating from
the direction desired by the driver, one or more
wheels are braked to stabilize the vehicle. The
engine output is also modified to keep the vehi-
cle on the desired course within physical limits. ESP
®assists the driver when pulling away on
wet or slippery roads. ESP®can also stabilize
the vehicle during braking.
ETS (Electronic Traction System)
iObserve the "Important safety notes" sec-
tion (Ypage 60).
ETS traction control is part of ESP
®.
ETS brakes the drive wheels individually if they
spin. This enables you to pull away and acceler-
ate on slippery surfaces, for example if the road
surface is slippery on one side. In addition, more
drive torque is transferred to the wheel or
wheels with traction.
ETS remains active when you deactivate ESP
®.
iMercedes-AMG vehicles: your vehicle may
be equipped with 20-inch tires on the rear
axle. After changing to 19 inch wheels, ETS
may intervene noticeably earlier during the
first few kilometers. After approximately
10 km ETS will function as usual again. Infor-
mation on the dimensions and types of
wheels and tires for your vehicle can be found
in the "Wheel/tire combinations" section
(
Ypage 308).
Important safety notes
GWARNING
If ESP
®is malfunctioning it will not provide
any vehicle stabilization. There is an increased
risk of skidding or of an accident.
Exercise caution when continuing to drive.
Have ESP
®checked at a qualified specialist
workshop.
When towing the vehicle with the rear axle
raised, observe the notes on ESP
®
(Ypage 282).
If the å ESP®OFF warning lamp lights up
continuously, then ESP®is deactivated.
If the ÷ ESP®warning lamp and the å
ESP®OFF warning lamp are lit continuously,
ESP®is not available due to a malfunction.
Observe the information on warning lamps
(
Ypage 229) and display messages which may
be shown in the instrument cluster
(
Ypage 201).
Driving safety systems65
Safety
Z

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®
XTo deactivate: press button:.
The å ESP®OFF warning lamp in the
instrument cluster lights up.
XTo activate: press button :.
The å ESP®OFF warning lamp in the
instrument 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
RActive Brake Assist is no longer available; nor
is it activated if you brake firmly with assis-
tance from ESP
®
RPRE-SAFE®is no longer available, nor is it
activated if you brake firmly and ESP®inter-
venes
RActive Brake Assist with cross-traffic function
is no longer available; nor is it activated if you
brake firmly with assistance from ESP
®
RESP®still provides support when you brake
firmly
Deactivating/activating ESP®
(Mercedes‑AMG vehicles)
Important safety notes
iObserve the "Important safety notes" sec-
tion (Ypage 60).
You can select between the following states of
ESP
®:
RESP®is activated
RSPORT handling mode is activated
RESP®is deactivated.
GWARNING
When SPORT handling mode is activated,
there is a greater risk of skidding and acci-
dents.
Only activate SPORT handling mode in the sit-
uations described in the following.
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.
Driving safety systems67
Safety
Z

In the following situations, it may be better to
activate SPORT handling mode or deactivate
ESP
®:
Rwhen using snow chains
Rin deep snow
Ron sand or gravel
Ron specially designated roads when the vehi-
cle's own oversteering and understeering
characteristics are desired
Spinning the wheels results in a cutting action
which provides better grip.
Driving in SPORT handling mode or without
ESP
®requires an extremely qualified and expe-
rienced driver.
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®
XTo activate SPORT handling mode: briefly
press button :.
The M SPORT handling mode warning
lamp in the instrument cluster lights up. The
SPORT Handling Mode
message appears in
the multifunction display.
XTo deactivate SPORT handling mode:
briefly press button :.
The M SPORT handling mode warning
lamp in the instrument cluster goes out.
XTo deactivate ESP®: press button :until
the å ESP®OFF warning lamp lights up in
the instrument cluster.
The ÷ OFF
message appears in the multi-
function display.
XTo activate ESP®: briefly press button :.
The å ESP®OFF warning lamp in the
instrument cluster goes out. The ÷ESP®
ONmessage appears in the multifunction dis-
play.
Characteristics of activated SPORT han-
dling mode
If SPORT handling mode is activated and one or
more wheels start to spin, the ÷ESP®warn-
ing lamp in the instrument cluster flashes. ESP®
only stabilizes the vehicle to a limited degree.
When SPORT handling mode is activated:
RESP®only improves driving stability to a limi-
ted degree
Rtraction control is still activated
Rengine torque is no longer limited and the
drive wheels are able to spin
RESP®still provides support when you brake
firmly
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
RActive Brake Assist is no longer available; nor
is it activated if you brake firmly with assis-
tance from ESP
®
RPRE-SAFE®is no longer available, nor is it
activated if you brake firmly and ESP®inter-
venes
RActive Brake Assist with cross-traffic function is no longer available; nor is it activated if you
brake firmly with assistance from ESP
®
RESP®still provides support when you brake
firmly
68Driving safety systems
Safety

Vehicles with adaptive adjustable damp-
ing: drive program E (Economy)
Drive programEis characterized by the follow-
ing:
Rthe vehicle exhibits comfortable, economical
handling characteristics.
Rthe vehicle pulls away more gently in forward
and reverse gears, unless the accelerator
pedal is depressed fully.
Roptimal fuel consumption resulting from the
automatic transmission shifting up sooner.
The vehicle is driven in the low engine speed
range and the wheels are less likely to spin.
Rthe suspension exhibits comfortable damping
settings.
Rthe steering exhibits a comfortable steering
curve.
Rduring deceleration, the engine is disconnec- ted from the drive train. The vehicle uses
kinetic energy and consumes less fuel (coast-
ing mode).
RESP®provides the optimum compromise
between traction and stability. For further
information about ESP
®, see (Ypage 66).
Vehicles with Active Body Control: drive
program CURVE
CURVE drive program is characterized by the
following:
Rincreased driving comfort on bends.
Rthe vehicle tilts actively into the bend. Further
information on the cornering function
(
Ypage 164).
Rthe vehicle exhibits comfortable, economical
handling characteristics.
Rthe vehicle pulls away more gently in forward
and reverse gears, unless the accelerator
ped
al is depressed fully.
Rcomfortable suspension setting.
Rthe steering exhibits a comfortable steering
curve.
Roptimal fuel consumption resulting from the
automatic transmission shifting up sooner.
Rthe automatic transmission shifting up
sooner. This results in the vehicle being driven
at lower engine speeds and the wheels being
less likely to spin.
Rduring deceleration, the engine is disconnec-
ted from the drive train. The vehicle uses kinetic energy and consumes less fuel (coast-
ing mode).
RESP®provides the optimum compromise
between traction and stability. For further
information about ESP
®, see (Ypage 66).
Mercedes-AMG vehicles
RACE drive program
The RACE drive program is characterized by the
following:
Rthe vehicle exhibits driving characteristics
suitable for the racetrack.
Rall vehicle systems are set for maximum
sportiness.
Rthe gearshift recommendation gives you
information for slowly warming up the drive
assemblies and for adopting a fuel-efficient
driving style (
Ypage 136). You can follow the
gearshift recommendations at all times and
shift gear accordingly using the steering
wheel paddle shifters. On the basis of the
gearshift recommendation, using the steering
wheel paddle shifters, you can optimize the
drive train and engine operating mode at any
time.
Rif you have selected a gear manually, this will
be maintained until the vehicle speed increa-
ses or decreases dramatically.
Rthe vehicle pulls away in first gear.
Rthe automatic transmission shifts up later, the
fuel consumption possibly being higher as a
result of the later automatic transmission
shift points.
Rthe suspension exhibits particularly firm
damping settings.
Rgliding mode is not available.
Rthe ECO start/stop function is not available.
RESP®switches to SPORT handling mode. The
M SPORT handling mode warning lamp in
the instrument cluster lights up. The SPORT
HandlingModemessage appears in the mul-
tifunction display. Observe the important
safety notes for the SPORT handling mode
(
Ypage 67).
RESP®only improves driving stability to a limi-
ted degree. The engine's torque is only
restricted to a limited degree and the drive
wheels can spin. For further information
about ESP
®, see (Ypage 67).
Automatic transmission135
Driving and parking
Z

XTo remove:take socket;and lug wrench
= from the vehicle tool kit (Ypage 270).
XPosition socket ;on hub cap :.
XPosition lug wrench =on socket ;.
XUsing lug wrench =, turn hub cap:coun-
ter-clockwise and remove it.
XTo install: before installing, check hub cap :
and the wheel area for soiling and clean if
necessary.
XPut hub cap :in position and turn until it is in
the right position.
XPosition socket ;on hub cap :.
XAttach lug wrench =to socket ;and
tighten hub cap :.
The tightening torque must be
18 lb-ft (25 Nm) .
iNotethat the hub cap should be tightened
to the specified torque of 18 lb-ft (25 Nm).
Mercedes-Benz recommends that you have
the hub cap installed at a qualified specialist
workshop.
XUsing lug wrench =, loosen the bolts on the
wheel you wish to change by about one full
turn. Do not unscrew the bolts completely.
The jacking points are located just behind the
front wheel housings and just in front of the rear
wheel housings (arrows).
Mercedes-AMG vehicles and vehicles with
AMG equipment: to protect the vehicle body,
the vehicle has covers installed next to the jack-
ing points on the outer sills.
XMercedes-AMG vehicles and vehicles
with AMG equipment: fold cover?
upwards.
XPosition jack Bat jacking point A.
306Changing a wheel
Wheels and tires

XClean the wheel and wheel hub contact sur-
faces.
XSlide the wheel to bemounted onto the align-
ment boltand push iton.
XTighten the wheel bolts unt ilthey are finger-
tight.
XUnscrew the alignment bolt.
XTighten the last wheel boltuntil it is finger-
tight.
Lowering the vehicle
GWAR NING
The wheels could work loose ifthe wheel nuts
and bolts are not tightened to the specifie d
tightening torque. There isa risk of acc ident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel ischanged.
XTurn the crank of the jack counter-clock wise
unt ilthe veh icle isonce again standing firmly
on the ground.
XPlace the jack to one side.
XTighten the wheel bolts evenly ina crosswise
pattern inthe sequence indicated (: toA). The specified tightening torque is
96lb-ft
(1 30 Nm) .
XTurn the jack back to its initial position.
XStow the jack and the rest of the vehicle tools
in the trunk again.
XMercedes-AMG vehicles and vehicles
with AMG equipment: insert the cover into
the outer sill.
XCheck the tire pressure of the ne wlymounted
wheel and adjust it if necessary.
Observe the recommended tire pressure
(
Ypage 288).
Vehicles with a tire pressure controlsys-
tem: all installed wheels must beequipped with
functioning sensors.
When you are driving with the emergency spare
wheel mounte d,the tire pressure monitor can-
not function reliably. Only restart the tire pres-
sure monitor when the defective wheel has been
replaced with a new wheel.
All mounted wheels must beequipped with func-
tioning sensors for the tire pressure monitor.
Wheel and tire combinations
You can ask for information regarding permitted
wheel/tire co mbinations at an authorized
Mercedes-Benz Center.
!For safety reasons, Mercedes-Benz recom-
mends that you only use tires and wheels
which have been approved by Mercedes-Benz
specifically for your vehicle.
These tires have been specially adapted for
use with the control systems, such as ABS or
ESP
®, and are marked as follows:
RMO = Mercedes-Benz Original
RMOE = Mercedes-Benz Original Extended
(t ires featuring run-flat characteristics)
RMO1 = Mercedes-Benz Original (only cer-
tain AMG tires)
Mercedes-Benz Original Extended tires may
only beused on wheels that have been spe-
cifically approved by Mercedes-Benz.
Only use tires, wheels or accessories tested
and approved by Mercedes-Benz. Certain
characteristics, e.g. handling, vehicle noise
emissions or fuel consumption, may other-
wise be adverselyaffected. In addition, when
driving with a load, tire dimension variations
308Wheel and tire combinations
Wheels and tires