2018 MERCEDES-BENZ SL ROADSTER keyless

Temperature (on-board computer,
Mercedes-AMG vehicles) ............... 197
Temperature gauge ........................ 186
Warning lamp ................................. 232
Cooling
see Climate control
Copyright ............................................. 31
Cornering light function
Display message ............................2 12
Function/notes .............................1 08
Cruise control
Cruise control lever ....................... 149
Deactivating ................................... 150
Display message ............................ 220
Driving system ............................... 149
Function/notes .............................1 49
Important safety notes .................. 149
Setting a speed .............................. 150
Storing and maintaining current
speed ............................................. 150
Cup holder
Center console .............................. 246
Important safety notes .................. 245
Customer Assistance Center
(CAC) ..................................................... 28
Customer Relations Department ....... 28
D
Data
see Technical data
Data carrier
Selecting ........................................ 191
Daytime running lamps
Display message ............................ 212
Function/notes .............................1 06
Switching on/off (on-board com-
puter) ............................................. 195
Declarations of conformity ................. 27
Decorative film
Cleaning instructions ..................... 265
Delayed switch-off
Exterior lighting (on-board com-
puter) ............................................. 195
Interior lighting .............................. 196
Diagnostics connection ......................28
Digital Operator's Manua l
Help ................................................ .23 Introduction .....................................2
3
Digital speedomete r........................ .189
Display messages
ASSYST PLUS ................................ 262
Calling up (on-board computer) ..... 200
Driving systems .............................2 15
Engine ............................................ 213
General notes ................................ 200
Hiding (on-board computer) ........... 200
KEYLESS-GO .................................. 226
Lights ............................................. 212
Safety systems .............................. 201
SmartKey ....................................... 225
Tires ............................................... 221
Vehicle ...........................................2 22
Distance Pilot DISTRONIC
Activating ....................................... 153
Calling up a speed ......................... 153
Cruise control lever ....................... 153
Display Message ............................ 218
Displays in the instrument cluster .. 155
Driving tips .................................... 157
Function/notes ............................. 151
Important safety notes .................. 151
Setting the specified minimum
distance ......................................... 155
Stopping ........................................ 154
Storing a speed .............................. 153
Swi tching off .................................. 156
Warning lamp ................................. 234
Distance recorder
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 234
Distance warning function
Function/notes ................................ 63
Doors
Automatic locking (on-board com-puter) ............................................. 196
Automatic locking (switch) ............... 79
Central locking/unlocking
(SmartKey) ....................................... 73
Control panel ................................... 39
Display message ............................ 224
Emergency locking ........................... 80
Emergency unlocking ....................... 80
Important safety notes .................... 78
Opening (from inside) ...................... 79
8Index

EBD (electronic brake force distri-
bution)Display message ............................ 203
Function/notes ................................ 69
ECO display
Function/notes ............................ .145
On-board computer ....................... 188
ECO start/stop function
Automatic engine start .................. 126
Automatic engine switch-off .......... 125
Deactivating/activating ................. 126
General information ....................... 125
Important safety notes .................. 125
Introduction ................................... 125
Electronic Stability Program
see ESP
®(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 56
Emergency release
Driver's door ....................................8 0
Trunk ............................................... 85
Vehicle ............................................. 80
Emergency Tensioning Devices
Activation ......................................... 53
Emissions control
Service and warranty information ....2 5
Engine
Check Engine warning lamp .......... .232
Display message ............................ 213
ECO start/stop function ................ 125
Engine number ............................... 312
Irregular running ............................ 127
Jump-starting ................................. 278
Starting problems .......................... 127
Starting the engine with the
SmartKey ....................................... 124
Starting with KEYLESS-GO ............. 124
Switching off .................................. 142
Tow-starting (vehicle) ..................... 282
Engine electronics
Notes ............................................. 310
Problem (malfunction) ................... 127
Engine oil
Adding ...........................................2 59
Additives ........................................ 315
C

hecking the oil level ..................... 259 Checking the oil level using the
dipstick .......................................... 259
Display message ............................ 214
Filling capacity ............................... 315
General notes ................................ 314
Notes about oil grades ................... 314
Notes on oil level/consumption .... 259
Temperature (on-board computer,
Mercedes-AMG vehicles) ...............1
97
Entering an address
see also Digital Operator's Man-
ual ..................................................2 36
ESP
®(Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 198
Characteristics ................................. 66
Deactivating/activating (button
in Mercedes-AMG vehicles) ............. 67
Deactivating/activating (except
Mercedes‑ AMG vehicles) ................. 66
Display message ............................ 201
Function/notes ................................ 65
General notes .................................. 65
Important safety information ........... 65
Warning lamp ................................. 229
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 65
Exhaust check ................................... 145
Exhaust pipe (cleaning instruc-
tions) ..................................................2 68
Exterior lighting
Setting options .............................. 106
see Lights
Exterior mirrors
Adjusting ....................................... 102
Dipping (automatic) ....................... 103
Folding in when locking (on-board
computer) ...................................... 197
Folding in/out (electrically) ........... 103
Out of position (troubleshooting) ... 103
Storing settings (memory func-
tion) ............................................... 105
Storing the parking position .......... 104
Eyeglasses compartment ................. 243
10Index

General notes ................................ 159
Home address
see also Digital Operator's Man-
ual .................................................. 236
Hood
Closing .......................................... .259
Display message ............................ 224
Important safety notes .................. 258
Opening ......................................... 258
Horn ...................................................... 32
Hydroplaning ..................................... 148
I
Ignition lock
see Key positions
Immobilizer .......................................... 71
Indicator lamps
see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 33
Instrument cluster lighting .............. 185
Interior lighting
Automatic control .......................... 110
Delayed switch-off (on-board
computer) ...................................... 196
Overview ........................................ 109
Reading lamp ................................. 109
Setting the brightness of the
ambient lighting (on-board com-
puter) ............................................. 195
Setting the color of the ambient
lighting (on-board computer) ......... 195
iPod
®
see also Digital Operator's Man-
ual ..................................................2 36
J
Jack
Storage location ............................ 271
Using ............................................. 305
Jump starting (engine) ......................278
K
Key positions
KEYLESS-GO .................................. 122
SmartKey ....................................... 122
KEYLESS-GO
Activating ......................................... 73
Convenience closing feature ............ 87
Deactivation ..................................... 73
Display message ............................ 226
Locking ............................................ 73
Removing the Start/Stop button ... 123
Start/Stop button .......................... 122
Starting the engine ........................ 124
Unlocking ......................................... 73
Kickdown
Driving tips ....................................1 34
Manual gearshifting ....................... 139
Knee bag .............................................. 46
L
Lamps
see Warning and indicator lamps
Lane Keeping Assist
see Active Lane Keeping Assist
Lap time (RACETIMER) ......................198
License plate lamp (display mes-
sage) ................................................... 212
Light function, active
Display message ............................ 212
Light sensor (display message) ....... 212
Lights
Activating/deactivating the inte-
rior lighting delayed switch-off ....... 196
Active light function ....................... 108
Automatic headlamp mode ............ 106
Cornering light function ................. 108
Hazard warning lamps ................... 108
High beam flasher .......................... 107
High-beam headlamps ................... 107
Light switch ................................... 106
Low-beam headlamps .................... 107
Parking lamps ................................ 107
Setting the brightness of the
ambient lighting (on-board com-
puter) ............................................. 195
12Index

Panic alarm
XTo activate:press!button :for at
least one second.
A visual and audible alarm is triggered if the
alarm system is armed.
XTo deactivate: press!button :again.
or
XInsert the SmartKey into the ignition lock.
or
XPress the KEYLESS-GO Start/Stop button.
The KEYLESS-GO key must be in the vehicle.
Occupant safety
Introduction to the restraint system
The restraint system can reduce the risk of vehi- cle occupants coming into contact with parts of
the vehicle's interior in the event of an accident.
The restraint system can also reduce the forces to which vehicle occupants are subjected during
an accident.
The restraint system comprises:
RSeat belt system
RAir bags
The components of the restraint system work in
conjunction with each other. They can only
deploy their protective function if, at all times, all vehicle occupants:
Rhave fastened their seat belts correctly
(Ypage 43)
Rhave the seat and head restraint adjusted
properly (Ypage 95)
As the driver, you also have to make sure that
the steering wheel is adjusted correctly.
Observe the information relating to the correct
driver's seat position (
Ypage 95). You also have to make sure that an air bag can
inflate properly if deployed (
Ypage 45).
An air bag supplements a correctly worn seat
belt. As an additional safety device, the air bag
increases the level of protection for vehicle
occupants in the event of an accident. For exam-
ple, if, in the event of an accident, the protection
offered by the seat belt is sufficient, the air bags are not deployed. When an accident occurs, only
the air bags that increase protection in that par-ticular accident situation are deployed. How-
ever, seat belts and air bags generally do not
protect against objects penetrating the vehicle
from the outside.
Information on restraint system operation can
be found under "Triggering of the Emergency
Tensioning Devices and air bags" (
Ypage 53).
See "Children in the vehicle" for information on
children traveling with you in the vehicle as well
as on child restraint systems (
Ypage 56).
Important safety notes
GWARNING
Modifications to the restraint system may
cause it to no longer work as intended. The
restraint system may then not perform its
intended protective function and may fail in an
accident or trigger unexpectedly, for example.
This poses an increased risk of injury or even fatal injury.
Never modify parts of the restraint system.
Never tamper with the wiring, the electronic
components or their software.
If it is necessary to modify components of the
restraint system to accommodate a person with
disabilities, contact an authorized Mercedes-
Benz Center for details. USA only: for further
information contact our Customer Assistance
Center at 1-800 FOR-MERCEDES
(1‑800‑367‑6372).
Mercedes-Benz recommends that you only use
driving aids which have been approved specifi-
cally for your vehicle by Mercedes-Benz.
Restraint system warning lamp
The functions of the restraint system are
checked after the ignition is switched on and at
40Occupant safety
Safety

XBrake immediately to defuse the situation.
or
XTake evasive action provided it is safe to do
so.
Active Brake Assist with cross-traffic function
can also brake the vehicle automatically under
the following conditions:
Rthe driver and front-passenger have their seat
belts fastened
and
Rthe vehicle speed is between approximately
4 mph (7 km/h) and 124 mph (200 km/h)
Up to a speed of approximately 44 mph
(70 km/h), Active Brake Assist with cross-traffic
function may react to:
Rstationary objects in the path of your vehicle,
e.g. stopped or parked vehicles
Rpedestrians in the path of your vehicle
iIf there is an increased risk of a collision,
preventive passenger protection measures
(PRE-SAFE
®) are triggered (Ypage 55).
If the risk of collision with the vehicle in front
remains and you do not brake, take evasive
action or accelerate significantly, the vehicle
may perform automatic emergency braking, up
to the point of full brake application. Automatic emergency braking is not performed until imme-
diately prior to an imminent accident.
You can prevent the intervention of Active Brake
Assist with cross-traffic function at any time by:
Rdepressing the accelerator pedal further
Ractivating kickdown
Rreleasing the brake pedal.
The braking application of Active Brake Assist
with cross-traffic function is ended automati-
cally if:
Ryou maneuver to avoid the obstacle
Rthere is no longer a risk of collision
Ran obstacle is no longer detected in front of
your vehicle.
STEER CONTROL
General information
STEER CONTROL helps you by transmitting a
noticeable steering force to the steering wheel
in the direction required for vehicle stabilization. This steering assistance is provided in particular
if:
Rboth right wheels or both left wheels are on a
wet or slippery road surface when you brake
Rthe vehicle starts to skid
Important safety notes
iObserve the "Important safety notes" sec-
tion (Ypage 60).
No steering support is provided from STEER
CONTROL, if:
RESP®is deactivated
RESP®is malfunctioning
Rthe steering is faulty
If ESP®is malfunctioning, you will be assisted
further by the electrical power steering.
Protection against theft
Immobilizer
XTo activate with the SmartKey: remove the
SmartKey from the ignition lock.
XTo activate with KEYLESS-GO: switch the
ignition off and open the driver's door.
XTo deactivate: switch on the ignition.
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.
iThe immobilizer is always deactivated when
you start the engine.
In the event that the engine cannot be started
(yet the vehicle's battery is charged), the sys- tem is not operational. Contact an authorized
Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
Protection against theft71
Safety
Z

ATA (anti-theft alarmsystem)
XTo arm: lockth evehicl ewit hth eSmartKey or
KEYLESS-GO .
Indicato rlamp :flashes .The alarm system
is armed after approximately 15 seconds.
XTo switch off :unloc kth evehicl ewit hth e
SmartKey or KEYLESS-GO .
A visual and audible alarm is triggered if th e
alarm system is armed and you open :
Radoor
Rth evehicl ewit hth emechanical ke y
Rthetrunk lid
Rth ehoo d
Rtheglov ebox
Rth estowage spac eunder th earmres t
Rastowage compartmen tin th erear
XTo turn th ealarm off wit hth eSmartKey :
press th e% or& buttonon th eSmart -
Key.
The alarm is stopped.
or
XInser tth eSmartKey int oth eignition lock.
The alarm is stopped.
XTo stop th ealarm using KEYLESS-GO:
gras pth eoutside door handle. The SmartKey
mus tbe outside th evehicle.
The alarm is stopped.
or
XPress th eStart/Sto pbutto non th edash -
board. The SmartKey mus tbe inside th evehi-
cle .
The alarm is stopped.
The alarm is no tswitched off ,eve nif you close
th eopen door that triggered it ,for example. If th
ealarm continues for mor ethan
30 seconds, th embrace emergenc ycall sys-
te m automatically notifie sth eCustome r
Assistance Center.
This is don eeither by text mess
age or dat
a
connection .The emergenc ycall system
sends th emessage or dat aprovided that:
Ryou hav esubscribed to th embrace service.
Rth embrace servic ehas been activated
properly.
Rth enecessar ymobile phone network is
available.
72Protection against theft
Safety

SmartKey
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake
Rshift the automatic transmission out of park
position P
Rstart the engine
There is a risk of an accident and injury.
Never leave children or animals unattended in
the vehicle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. This
also applies to mobile phones if the "Digital
Car Key in smartphone" function is activated
via the Mercedes me connect web app.
GWARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could
cause the engine to be switched off. There is a risk of an accident.
Do not attach any heavy or large objects to the
SmartKey. Remove any bulky key rings before
inserting the SmartKey into the ignition lock.
!Keep the SmartKey away from strong mag-
netic fields. Otherwise, the remote control
function could be affected.
Strong magnetic fields can occur in the vicin-
ity of powerful electrical installations.
Do not keep the SmartKey:
Rwith electronic devices, e.g. a mobile phone
or another SmartKey
Rwith metallic objects, e.g. coins or metal foil
Rinside metallic objects, e.g. a metal case
This can affect the functionality of the Smart- Key.
SmartKey functions
:& Locks the vehicle
;FOpens/closes the trunk lid
=%Unlocks the vehicle
XTo unlock centrally: press the%button.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
Rthe vehicle is locked again.
Ranti-theft protection is reactivated.
XTo lock centrally: press the&button.
The SmartKey centrally locks/unlocks:
Rthe doors
Rthe trunk lid
Rthe glove box
Rthe stowage compartment under the armrest
Rthe stowage compartment in the rear com-
partment
Rthe fuel filler flap
The turn signals flash once when unlocking and
three times when locking.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (
Ypage 196).
When it is dark, the surround lighting also comes
on if it is activated in the on-board computer
(
Ypage 195).
KEYLESS-GO
General notes
Bear in mind that the engine can be started by
any of the vehicle occupants if there is a KEY-
LESS-GO key in the vehicle (
Ypage 124).
SmartKey73
Opening and closing
Z

Locking/unlocking centrally
You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry the
SmartKey with you. You can combine the func-
tions of KEYLESS-GO with those of a conven-
tional SmartKey. Unlock the vehicle by using
KEYLESS-GO, for instance, and lock it using the
&button on the SmartKey.
The driver's door and the door at which the han-
dle is used, must both be closed. The SmartKey
must be outside the vehicle. When locking or
unlocking with KEYLESS-GO, the distance
between the key and the corresponding door
handle must not be greater than 3 ft (1 m).
A check which periodically establishes a radio
connection between the vehicle and the Smart-
Key determines whether a valid SmartKey is in
the vehicle. This occurs, for example:
Rwhen starting the engine
Rwhile driving
Rwhen using HANDS-FREE ACCESS
Rwhen the external door handles are touched
XTo unlock the vehicle: touch the inner sur-
face of the door handle.
XTo lock the vehicle: touch sensor surface :
or ;.
Make sure that you do not touch the inner
surface of the door handle.
XConvenience closing feature: touch
recessed sensor surface ;for an extended
period.
Further information on the convenience clos-
ing feature (
Ypage 87).
Deactivating and activating
If you do not intend to use a SmartKey for an
extended period of time, you can deactivate the
KEYLESS-GO function of the key. The SmartKey will then use very little power, thereby conserv-
ing battery power. For the purposes of activa-
tion/deactivation, the vehicle must not be
nearby.
XTo deactivate: press the&button on the
SmartKey twice in rapid succession.
The battery check lamp (
Ypage 76) of the
SmartKey flashes twice briefly and lights up
once, then KEYLESS-GO is deactivated.
XTo activate: press any button on the Smart-
Key.
or
XInsert the SmartKey into the ignition lock.
KEYLESS-GO and all of its associated features
are available again.
Changing the settings of the locking
system
You can change the settings of the locking sys-
tem. This means only the driver's door, the lock-
able stowage compartments in the vehicle inte-
rior and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel alone.
XTo change the setting: press and hold down
the % and& buttons simultaneously
for about six seconds until the battery indica-
tor lamp (
Ypage 76) flashes twice.
If the setting of the locking system is changed
within the signal range of the vehicle, pressing
the & or% button:
Rlocks or
Runlocks the vehicle
The SmartKey now functions as follows:
XTo unlock: press the%button once.
XTo unlock centrally: press the%button
twice.
XTo lock centrally: press the&button.
The KEYLESS-GO function is changed as fol-
lows:
XTo unlock the driver's door: touch the inner
surface of the door handle on the driver's
door.
XTo unlock centrally: touch the inner surface
of the driver or front-passenger door handle.
XTo lock centrally: touch the outer sensor
surface on one of the door handles.
74SmartKey
Opening and closing