2013 MERCEDES-BENZ SL-CLASS ROADSTER belt

front. The specified minimum distance is set
using the control on the cruise control lever.
The electric parking brake automatically
secures the vehicle if DISTRONIC PLUS is
activated and:
R
the driver's door is open and the driver's
seat belt is unfastened.
R the engine is switched off, unless it is
automatically switched off by the ECO
start/stop function.
R a system malfunction occurs.
R the power supply is not sufficient.
If a
malfunction occurs, then the transmission
may also be shifted into position P
automatically.
Storing the current speed or calling up the
last stored speed G
WARNING
The set speed stored in memory should only
be set again if prevailing road conditions and
legal speed limits permit. Possible
acceleration or deceleration differences
arising from returning to the preset speed
could cause

an accident and/or serious injury
to you and others. Cruise control lever
X
Briefly pull the cruise control lever towards
you :.
X Remove your foot from the accelerator
pedal.
DISTRONIC PLUS is activated. The first
time it is activated, the current speed is stored. Otherwise, it sets the vehicle cruise
speed to the previously stored value.
Setting a speed G
WARNING
Keep in mind that it may take a brief moment
until the vehicle has made the necessary
adjustments.
Increase or

decrease the set vehicle speed to
a value that the prevailing road conditions and
legal speed limits permit. Otherwise, sudden
and unexpected acceleration or deceleration
of the vehicle could cause an accident and/
or serious injury to you and others. Cruise control lever
X
To adjust the speed in 1 mph
increments (1 km/h increments):
briefly press

the cruise control lever to the
pressure point, up : for a higher speed or
down ; for a lower speed.
Every time the cruise control lever is
pressed up or down, the last speed stored
is increased or reduced.
X To adjust the speed in 5 mph
increments (10 km/h increments):
briefly press the cruise control lever
beyond the pressure point, up : for a
higher speed

or down ; for a lower speed.
Every time the cruise control lever is
pressed up or down, the last speed stored
is increased or reduced. Driving systems
171
Driving and parking Z

The braking effect of the HOLD function is
canceled and the vehicle could roll away if:
R
the HOLD function is deactivated by
depressing the accelerator pedal or the
brake pedal.
R there is a malfunction in the system or an
interruption in the power supply, e.g.
battery failure.
R the electrical system in the engine
compartment, the battery or the fuses are
tampered with.
R the battery is disconnected.
If you leave the vehicle or park it, deactivate
the HOLD function and secure the vehicle
against rolling away.
General notes The HOLD function can assist the driver in the
following situations:
R when pulling away, especially on steep
slopes
R when maneuvering on steep slopes
R when waiting in traffic
The vehicle is kept stationary without the
driver having to depress the brake pedal.
The braking

effect is canceled and the HOLD
function deactivated when you depress the
accelerator pedal to pull away.
Activation conditions You can activate the HOLD function if:
R
the vehicle is stationary.
R the engine is running or if it has been
automatically switched off by the ECO
start/stop function.
R the driver's

door is closed or your seat belt
is fastened.
R the electric parking brake is released.
R the transmission is in position D, R or N.
R DISTRONIC PLUS is deactivated. Activating the HOLD function
X
Make sure that the activation conditions
are met.
X Depress the brake pedal.
X Quickly depress the brake pedal further
until
HOLD display
: appears in the
multifunction display.
The HOLD function is activated. You can
release the brake pedal.
i If depressing the brake pedal the first
time does not activate the HOLD function,
wait briefly and then try again.
Deactivating the HOLD function The HOLD function is deactivated
automatically if:
R
you accelerate and the transmission is in
position D or R.
R you shift the transmission to position P.
R you apply the brakes again with a certain
amount of pressure until HOLD disappears
from the multifunction display.
R you secure the vehicle using the electric
parking brake.
R you activate DISTRONIC PLUS.
i After a time, the electric parking brake
secures the

vehicle and relieves the service
brake.
The electric parking brake automatically
secures the vehicle if the HOLD function is
activated and:
R the driver's door is open and the driver's
seat belt is unfastened.
R the engine is switched off, unless it is
automatically switched off by the ECO
start/stop function.176
Driving systems
Driving and parking

R
if you are predominantly driving slower
than 50 mph (80 km/h) or faster than
112 mph (180 km/h
)
R if you are currently using COMAND or
making a telephone call with it
R if the time has been set incorrectly
R in active driving situations, such as when
you change lanes or change your speed
Warning and display messages in the
multifunction display X
Activate ATTENTION ASSIST using the on-
board computer ( Y page 214).
Symbol : appears in the multifunction
display.
X The Attention Assist: Take a
Break! message appears in the
multifunction display. If necessary, take
a break.
X Press the a or % button to confirm
the message.
If ATTENTION ASSIST is active, you will be
warned no

sooner than 20 minutes after your
journey has begun. In addition to the message
shown in the multifunction display, you will
then hear an intermittent warning tone twice.
On long journeys, take regular breaks in good
time to allow yourself to rest properly. If you
do not take a break and ATTENTION ASSIST
still detects increasing lapses in
concentration, you will be warned again after
15 minutes at the earliest. ATTENTION ASSIST is reset when you
continue your journey and starts assessing
your tiredness again if:
R
you switch off the engine.
R you take off your seat belt and open the
driver's door,

e.g. for a change of drivers or
to take a break. Active Driving Assistance package
General notes The Active Driving Assistance package
consists of DISTRONIC PLUS
(

Y page 164),
Active Blind Spot Assist (Y page 195) and
Active Lane Keeping Assist (Y page 199).
Active Blind Spot Assist Important safety notes
G
WARNING
Active Blind Spot Assist is only an aid, and
may detect vehicles/obstacles incorrectly or
not at all.
The system may be impaired or may not
function if:
R there is poor visibility, e.g. due to snow,
rain, fog or spray.
R the rear and/or front sensors are dirty.
Active Blind Spot Assist may not detect
narrow vehicles, such as motorcycles or
bicycles, or may only detect them too late. It
cannot detect vehicles that are overtaken at
a small

distance and then enter the blind spot
area.
Active Blind Spot Assist cannot detect road
and traffic conditions. It is not a substitute for
attentive driving. You are responsible for the
vehicle's speed, braking in good time, and
steering correctly. Always adapt your driving
style to suit the prevailing road and weather
conditions. Always pay attention to traffic
conditions and your surroundings. Otherwise,
you may fail to recognize dangers in time, Driving systems
195
Driving and parking
Z

FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
i Canada only:
This device complies with the RSS-210
Rules of Industry Canada. Operation is
subject to the following two conditions:
1. This device may not cause harmful
interference, and
2. this
device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
Convenience submenu Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, move
steering wheel

adjustment lever or press one
of the memory position buttons.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the :
or 9
button to select the
Convenience submenu.
X Press the a button to confirm. X
Press : or 9 to select the Easy
Entry/Exit function.
If the Easy Entry/Exit function is
activated, the vehicle steering wheel is
displayed in red in the multifunction
display.
X Press the a button to save the setting.
Further information on the EASY-ENTRY/EXIT
feature ( Y page 102).
Switching the belt adjustment on/off
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the : or 9
button to select the
Convenience submenu.
X Press the a button to confirm.
X Press the :
or 9
button to select the
Belt Adjustment function.
When the Belt Adjustment function is
activated, the vehicle seat belt is displayed
in red in the multifunction display.
X Press the a button to save the setting.
For further information on belt adjustment,
see ( Y page 52).
Restoring the factory settings X
Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the : or 9
button to select the
Factory Setting submenu.
X Press the a button to confirm.
The Reset All Settings? message
appears.
X Press the : or 9 button to select
No or Yes.
X Press the a button to confirm the
selection.
If you

have selected Yes, the multifunction
display shows a confirmation message.
For safety reasons, the Daytime Running
Lights function in the Lights submenu is
only reset if the vehicle is stationary. Menus and submenus
219
On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions# The battery is not being charged.
A warning tone also sounds.
Possible causes are:
R
a defective alternator
R a torn poly-V-belt
R a malfunction in the electronics
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 154).
X Open the hood.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not
continue driving. The engine could otherwise overheat.
X Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X Visit a qualified specialist workshop. 4
Check Engine Oil
At Next Refueling The engine oil level has dropped to the minimum level.
A warning tone also sounds.
X
Check the oil level when next refueling, at the latest
(Y page 497).
X If necessary, add engine oil ( Y page 498).
X Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
www.mbusa.com (USA only). 8
Fuel Level Low The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station.240
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M SolutionsActive Blind Spot
Assist Inoperative Active Blind Spot Assist is defective.
The yellow
9 indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. Park Assist
Canceled The driver's door is open and the driver's seat belt has not been
fastened.
X
Repeat the parking process with the seat belt fastened and the
driver's door closed. You have inadvertently touched the multifunction steering wheel
while steering intervention was active.
X
While steering intervention is active, make sure that the
multifunction steering wheel is not touched unintentionally. The vehicle has started to skid and ESP
®
has intervened.
X Use Active Parking Assist again later (Y page 186). Park Assist
Inoperative You have just carried out a large number of turning or parking
maneuvers.
Active Parking Assist will become available again after
approximately ten minutes (
Y page 186).
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop. PARKTRONIC is defective.
X
Visit a qualified specialist workshop. Park Assist
Finished The vehicle is parked. A warning tone also sounds.
The display message disappears automatically.
DISTRONIC PLUS
Off DISTRONIC PLUS has been deactivated (
Y page 164).
If it was deactivated automatically, a warning tone also sounds. DISTRONIC PLUS
Now Available DISTRONIC PLUS is operational again after having been
temporarily
unavailable.
You can now reactivate DISTRONIC PLUS
(Y page 164). 244
Display messages
On-board computer and displays

Warning and indicator lamps
Warning and indicator lamps
overview
L Low-beam headlamps
( Y page 109)
#! Turn signals (Y page 112)
K High-beam headlamps
(Y page 112)
N Front fog lamps
(Y page 111)
7 Seat belts (Y page 256)
$ (USA) Brakes (Y page 257)
J (Canada) Brakes (Y page 257)
! ABS (Y page 257)
÷ ESP®
(Y page 259)
å ESP®
OFF (Y page 259)
M SPORT handling mode in
AMG vehicles (Y page 260)
F (USA) Electric parking brake (red) (Y page 257)
! (Canada) Electric parking brake (red) (Y page 257)
! Electric parking brake
(yellow) (Y

page 257)
6 SRS (Y page 262)
; Check Engine (Y page 263)
8 Reserve fuel (Y page 263)
? Coolant (Y page 263)
· Distance warning signal
(Y page 265)
h Tire pressure monitor
(Y page 266) Warning and indicator lamps
255
On-board computer and displays Z

Safety
Seat belts Problem Possible causes/consequences and
M Solutions
ü
The red seat belt
warning lamp lights up
after the engine starts,
as soon as the driver's
or the front-passenger
door is closed.
The driver or front passenger has not fastened their seat belt.
X
Fasten your seat belt ( Y page 51).
The warning lamp goes out. There are objects on the front-passenger seat.
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. ü
The red seat belt
warning lamp flashes
and an intermittent
audible warning
sounds.
The driver or front passenger has not fastened their seat belt. You
are driving faster than 15 mph (25 km/h ) or have briefly driven
faster than 15 mph (25 km/h

).
X Fasten your seat belt ( Y page 51).
The warning lamp goes out and the intermittent warning tone
ceases. There are objects on the front-passenger seat. You are driving
faster than 15 mph (25 km/h
) or have briefly driven faster than
15 mph (25 km/h

).
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases.256
Warning and indicator lamps
On-board computer and displays