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Rthe mbrace service has been activated
properly
Rthe required mobile phone, power supply
and GPS are available.
60
Theft deterrent locking system
X To arm: lock the vehicle with the
SmartKey. The tow-away alarm is armed after approximately 30 seconds.
X To deactivate: unlock the vehicle with the
SmartKey. The tow-away alarm is deactivated automatically.
To prevent a false alarm, deactivate the tow- away alarm manually if your vehicle: Ris being transported Ris being loaded onto a ferry or car
transporter, for example
Ris parked on a movable surface, e.g. in a
split-level garage
X To deactivate: use the Start/Stop button
to set SmartKey position 0.
or X Remove the SmartKey from the ignition
lock.
X Press button :.
Indicator lamp ; lights up briefly. X Lock the vehicle with the SmartKey. The tow-away alarm is deactivated. The tow-away alarm remains deactivated until the vehicle is unlocked and locked again.
61
Useful information .............................. 62
SmartKey ............................................. 62
Doors .................................................... 67
Trunk .................................................... 71
Side windows ...................................... 73
Soft top (Roadster) ............................. 7662
SmartKey
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).
SmartKey Key function General notes i USA only:
This device complies with Part 15 of the FCC Rules. 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. The Product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.
i Canada only:
This device complies with RSS-210 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. The Product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.
Locking/unlocking centrally The SmartKey centrally locks/unlocks: Rthe doors Rthe trunk lid Rthe fuel filler flap RRoadster only: the glove box RRoadster only: the stowage compartment
under the armrest G WARNING If children are left unsupervised in the vehicle, they could: Ropen a door locked from inside the vehicle Rstart the vehicle using a key which has been
left in the vehicle
Rrelease the parking brake They could thereby endanger themselves and others. Never leave children unsupervised in the vehicle. Always take the key with you when leaving the vehicle, even if you are only leaving it for a short time.
: & To lock the vehicle ; F To unlock the trunk lid = % To unlock the vehicle The turn signals flash once when unlocking and three times when locking.
When it is dark, the surround lighting also comes on if it is activated in the on-board computer (Y page 155). You can also set an audible signal to confirm that the vehicle has been locked or unlocked. The audible signal can be activated and deactivated using the on-board computer (Y page 156). X To unlock centrally: press the %
button.
If you do not open the vehicle within approximately 40 seconds of unlocking: Rthe vehicle is locked again. Rthe anti-theft alarm system is armed again. X To lock centrally: press the & button.
Changing the settings of the locking system You can change the setting of the locking system in such a way that only the driver's door and the fuel filler flap are unlocked. This is useful if you frequently travel on your own. X To change the setting: press and hold
down the % and & buttons simultaneously for approximately six seconds until the battery check lamp (Y page 64) flashes twice.
The SmartKey now functions as follows: X To unlock the driver's door: press the
% button once.
X To unlock centrally: press the %
button twice.
X To lock centrally: press the & button.
Restoring the factory settings X Press the % and & buttons
simultaneously for approximately six seconds until the battery check lamp flashes twice.
SmartKey
63
Mechanical key General notes If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered (Y page 58). There are several ways to turn off the alarm: X Press the % or & button on the
SmartKey.
or X Insert the SmartKey into the ignition lock. X To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key
X Push release catch : in the direction of the arrow and at the same time remove mechanical key ; from the SmartKey.
SmartKey battery Important safety notes Have the batteries changed at a qualified specialist workshop. G WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death.
64
SmartKey
Keep batteries out of the reach of children. Seek medical attention immediately if a battery is swallowed. G WARNING The SmartKey batteries contain perchlorate material, which may require special handling and regard for the environment. Observe government disposal guidelines. California residents, see www.dtsc.ca.gov/ HazardousWaste/Perchlorate/ index.cfm.
Checking the battery
X Press the & or % button.
The SmartKey battery is working properly if battery check lamp : lights up briefly. If battery check lamp : does not light up briefly during the test, the SmartKey battery is discharged. X Changing the battery (Y page 64) i The battery can be obtained from any
authorized Mercedes-Benz Center.
i If the SmartKey battery is checked within the signal range of the vehicle, pressing the & or % button locks or unlocks the vehicle.
Replacing the battery X Take the mechanical key out of the
SmartKey (Y page 63).
You require a CR 2025 3 V cell battery.
X Press mechanical key ; into the opening
in the SmartKey in the direction of the arrow until battery tray cover : opens. Do not hold the cover closed while doing so.
X Remove the cover of the battery tray. X Repeatedly tap the SmartKey against your
palm until battery = falls out.
X Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
X Insert the front tabs of the battery tray's
cover first, and then press to close it.
X Check the function of all SmartKey buttons
on the vehicle.
SmartKey
65
Problems with the SmartKey Problem You cannot lock or unlock the vehicle using the SmartKey.
Possible causes/consequences and MM Solutions The SmartKey battery is discharged or nearly discharged. X Point the tip of the SmartKey at the driver's door handle from
close range and try to unlock or lock the vehicle again.
If this does not work: X Unlock the vehicle using the mechanical key (Y page 63). X Check the SmartKey battery and replace it if necessary
(Y page 64).
The SmartKey is faulty. X Lock or unlock the vehicle using the mechanical key
(Y page 63).
X Have the SmartKey checked at a qualified specialist workshop.
You have lost a SmartKey.
X Have the SmartKey canceled at an authorized Mercedes-Benz
Center.
X Report the loss immediately to the vehicle insurers. X If necessary, have the locks changed as well.
You have lost the mechanical key.
X Report the loss immediately to the vehicle insurers. X If necessary, have the locks changed as well.
The engine cannot be started using KEYLESS- GO. The SmartKey is in the vehicle.
A door is open. Therefore, the SmartKey cannot be detected as easily. X Close the door and try to start the vehicle again.
There is interference from a powerful source of radio waves. X Start your vehicle with the SmartKey in the ignition lock.
66
SmartKey
Problem The engine cannot be started using the SmartKey.
Possible causes/consequences and MM Solutions The on-board voltage is too low. X Switch off non-essential consumers, such as seat heating or
interior lighting, and try to start the engine again.
The SmartKey cannot be turned in the ignition lock.
X Remove the SmartKey and reinsert it into the ignition lock. X Start the engine within 30 seconds of inserting the SmartKey
into the ignition lock. X Repeat if necessary. If this does not work: X Check the starter battery and charge it if necessary
(Y page 236).
or X Jump-start the vehicle (Y page 240). or X Consult a qualified specialist workshop. The SmartKey has been in position 0 for a considerable time. X Remove the SmartKey and reinsert it into the ignition lock. X Check the starter battery and charge it if necessary
(Y page 236).
X Start the engine.
The on-board voltage is too low. X Switch off nonessential consumers, such as seat heating or
interior lighting, and try to turn the SmartKey again.
If this does not work: X Check the starter battery and charge it if necessary
(Y page 236).
or X Jump-start the vehicle (Y page 240). or X Consult a qualified specialist workshop.
Doors Important safety notes 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 unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could: Rinjure themselves on vehicle parts Rbe seriously or fatally injured by extreme
heat or cold
Rinjure themselves or have an accident with
vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the seat adjustment, steering wheel adjustment or memory function.
If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing 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 a child could be burned on these parts. G WARNING Do not carry heavy or hard objects in the passenger compartment or trunk unless they are firmly secured in place. Unsecured or improperly positioned cargo increases a child's risk of injury in the event of Rstrong braking maneuvers Rsudden changes of direction Ran accident
Doors
67
Unlocking and opening the doors from the outside Coupe ! The doors swing upwards and out when opened. Therefore, make sure that there is sufficient clearance above the vehicle.
X To open the door: point the SmartKey
towards door handle :.
X Press the % button on the SmartKey.
Door handle : moves out.
X Lift the door by door handle : and swing
it up as far as it will go.
X To close the door: pull the door
downwards by the outer edge or the interior door handle. Swing the door down gently and allow it to engage in the lower position.
X Lock the vehicle with the SmartKey if
necessary (Y page 62).
Roadster X To open the door: point the SmartKey
towards door handle.
X Press the % button on the SmartKey. The door is unlocked and can be opened.
X Pull the door handle.
68 Doors
Unlocking and opening doors from the inside Coupe You can only open a door from the inside if it is unlocked. The vehicle locks the doors automatically, when you drive faster than 9 mph (15 km/h). The doors are automatically unlocked after a journey if you switch off the engine. ! The doors swing upwards and out when opened. Therefore, make sure that there is sufficient clearance above the vehicle.
X To unlock the door manually: press the % button of central locking =.
or X Pull locking knob : upwards. X To open the door: pull handle ;. X Swing the door upwards as far as it will go. X To close the door: pull the door down by
handle ?.
X Allow the door to engage in the lower
position.
X To lock the door manually: press
the & button of central locking =.
or X Push locking knob : downwards.
Roadster You can open a door from inside the vehicle even if it has been locked.
Only open the door when the traffic situation permits.
X Pull door handle ;.
If the door is locked, locking knob : pops up. The door is unlocked and can be opened.
i When a door is opened, the side window on that side opens slightly. When the door is closed, the triangular window closes again.
! The side windows will not open/close if
the battery is discharged or if the side windows have iced up. It will then not be possible to close the door. Do not attempt to force the door closed. You could otherwise damage the door or the side window.
Centrally locking and unlocking the vehicle from the inside You can centrally lock or unlock the vehicle from the inside. This feature may be useful if, for example, you wish to unlock the front- passenger door from the inside or lock the vehicle before you pull away. Coupe: the central locking/unlocking button does not lock or unlock the fuel filler flap. Roadster: the central locking/unlocking button does not lock or unlock the fuel filler flap or the stowage compartments, such as the glove box.
Doors
69
X To deactivate: press and hold button : for about five seconds until a tone sounds. X To activate: press and hold button ; for
about five seconds until a tone sounds. i If you press one of the two buttons and do not hear a tone, the relevant setting has already been selected.
You can also switch the automatic locking function on and off using the on-board computer (Y page 155).
Unlocking the driver's door (mechanical key) If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered (Y page 58). X Take the mechanical key out of the
SmartKey (Y page 63).
X Insert the mechanical key into the lock of
the driver's door as far as it will go.
X To lock: press button ;.
If both doors are closed, the vehicle locks.
X To unlock: press button :. You can open a door from inside the vehicle even if it has been locked. Only open the door when the traffic situation permits. If the vehicle has been locked with the central locking button: Rand the SmartKey is set to its factory
setting, the entire vehicle is unlocked if a door is opened from the inside
Rand the SmartKey is set to an individual
setting, only the door that is opened from inside the vehicle is unlocked.
Automatic locking feature Coupe You can only open a door from the inside if it is unlocked. The vehicle locks the doors automatically, when you drive faster than 9 mph (15 km/h). The doors are automatically unlocked after a journey if you switch off the engine.
Roadster The vehicle locks automatically when the ignition is switched on and the wheels of the vehicle are moving at a speed of more than 9 mph (15 km/h). There is therefore a risk of being locked out when the vehicle is being pushed, towed or tested on a dynamometer.
70 Doors
Coupe
X To unlock: insert the mechanical key into the lock of the driver's door as far as it will go.
X Turn the mechanical key clockwise to
position 2. The door is unlocked.
X Turn the mechanical key back and remove
it.
X To open the door: press button :.
The handle moves out slightly from the door.
X Pull the handle out as far as it will go. X Swing the door upwards by the handle.
Roadster
X Turn the mechanical key counter-clockwise
to position 1. The door is unlocked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the
SmartKey.
Locking the vehicle (mechanical key) If the vehicle can no longer be locked with the SmartKey, use the mechanical key.
Coupe
: Button for extending the handle X To lock: lock the front-passenger door manually from the inside (Y page 68).
X Leave the vehicle and close the driver's
door.
X Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key counter-clockwise
to position 3. The door is locked.
X Turn the mechanical key back and remove
it.
X Check that both doors are locked. i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti- theft alarm system is not armed.
Roadster X Open the driver's door. X Close the front-passenger door and the
trunk lid.
X Press the locking button (Y page 68). X Check that the locking knob is in the lower position on the front-passenger door. Press the locking knob down by hand, if necessary.
X Close the driver's door.
X Take the mechanical key out of the
SmartKey (Y page 63).
X Insert the mechanical key into the lock of
the driver's door as far as it will go.
: Button for extending the handle X Turn the mechanical key clockwise as far
as it will go to position 1.
X Turn the mechanical key back and remove
it.
X Make sure that the doors and the trunk lid
are locked.
X Insert the mechanical key into the
SmartKey.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti- theft alarm system is not armed.
Trunk
71
Trunk Important safety notes 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 unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could: Rinjure themselves on vehicle parts Rbe seriously or fatally injured by extreme
heat or cold
Rinjure themselves or have an accident with
vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the seat adjustment, steering wheel adjustment or memory function.
If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing 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 a child could be burned on these parts. G WARNING Make sure the trunk lid is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter the vehicle interior resulting in unconsciousness and death.
! The temperature in the trunk may be high.
For this reason, do not store any temperature-sensitive objects in the trunk.
72
Trunk
! The trunk lid swings upwards when
opened. Therefore, make sure that there is sufficient clearance above the trunk lid.
Coupe: to fully open the trunk lid, a minimum height of 5.5 ft (1.68 m) from the ground is necessary. Roadster: to fully open the trunk lid, a minimum height of 5.7 ft (1.75 m) from the ground is necessary. The trunk lid can be: Ropened automatically from outside Ropened automatically from inside Rlocked separately Runlocked with the mechanical key Ropened with the emergency release button
Opening/closing the trunk Opening/closing from outside Opening X Press the F button on the SmartKey.
The trunk lid opens slightly.
X Push the trunk lid down until it engages.
Use handle : to pull down the trunk lid if necessary.
X If necessary, lock the vehicle with the
& button on the SmartKey.
Opening the trunk from inside the vehicle You can open the tailgate from the driver's seat when the vehicle is stationary.
X Reach into the gap and pull up the trunk lid. Closing G WARNING To prevent possible personal injury, always keep hands and fingers away from the trunk opening when closing the trunk lid. Be especially careful when small children are around.
X Press trunk lid remote control button :.
The trunk lid opens slightly.
Locking the trunk separately You can lock the trunk separately. If you then unlock the vehicle centrally, the trunk remains locked and cannot be opened. X Close the trunk lid. X Take the mechanical key out of the
SmartKey (Y page 63).
Side windows
73
Trunk emergency release You can open the trunk lid from inside the vehicle with the emergency release button.
X Briefly press emergency release
button :. The trunk lid unlocks and opens slightly.
X Push the trunk lid upwards to open it
completely.
The trunk lid can be unlocked with the trunk lid emergency release when the vehicle is stationary or while driving. Trunk lid emergency release light: Remergency release button : flashes for 30 minutes after the trunk lid is opened. Remergency release button : flashes for 60 minutes after the trunk lid is closed. The trunk lid emergency release does not unlock the trunk lid if the battery is disconnected or discharged. If the vehicle was locked centrally, opening the trunk lid with the trunk lid emergency release triggers the anti-theft alarm system.
Side windows Important safety notes G WARNING When opening and closing the side windows, make sure that nobody can be injured by the opening or closing procedure. The side windows are equipped with automatic operation and anti-entrapment
X Insert the mechanical key fully into trunk lid lock : in the rear compartment of the center console.
X Turn the mechanical key clockwise as far
as possible.
X Remove the mechanical key. X Check that the trunk remains locked when you press on the trunk lid remote control button.
Unlocking the trunk (mechanical key) If the trunk can no longer be unlocked with the SmartKey: X Take the mechanical key out of the
SmartKey (Y page 63).
X Insert the mechanical key fully into trunk
lid lock : in the center console in the vehicle interior.
X Turn the mechanical key counter-clockwise
as far as possible. The trunk lid opens slightly.
74
Side windows
features. If, in automatic operation mode, a side window encounters an obstruction that blocks its path, the anti-entrapment feature will stop the side window and open it slightly. The side windows operate differently when the switch is pulled and held. These details can be found in the "Closing a blocked side window" section in this chapter. The closing of the side windows can be immediately halted by releasing the switch or, if the switch was pulled past the resistance point and released, by pressing or pulling the respective switch. If a side window encounters an obstruction that blocks its path when you are closing the side windows by pressing and holding the & button on the SmartKey, the anti- entrapment feature will not operate. G WARNING Do not keep any part of your body up against the window pane when opening a window. The downward motion of the pane may pull that part of your body down between the window pane and the door frame and trap it there. If there is a risk of entrapment, release the switch and pull it to close the window.
Observe the important safety notes in the "Children in the vehicle" section (Y page 51).
Opening and closing the side windows
: Left side window ; Right side window The switches for both side windows are located on the driver's door. There is also a switch for the front-passenger side window on the front-passenger door. The switches on the driver's door take precedence. X Select key position 2 with the Start/Stop
button (Y page 113).
X To open: press corresponding switch :
or ;.
X To close: pull corresponding switch :
or ;.
i If you press the switch beyond the point
of resistance, an automatic opening/ closing process is started in the corresponding direction. You can stop automatic operation by operating the switch again.
i You can continue to operate the side
windows after you switch off the engine. This function is available for up to five minutes or until the driver's or front- passenger door is opened.
Opening and closing all side windows (Roadster) Using the SmartKey G WARNING Make sure that nobody can become trapped as you close the side windows. Proceed as follows if there is a risk of entrapment: Rrelease the & button. Rpress and hold the % button until the
side windows open again.
If the soft top is closed, you can use the SmartKey to simultaneously open or close all of the side windows: X Make sure that the soft top is closed
(Y page 77).
X Point the tip of the SmartKey at the driver's
door handle.
X To open all side windows: press
the % button on the SmartKey until the side windows are fully opened.
X To interrupt the opening procedure:
release the % button.
X To close all side windows: press the
& button on the SmartKey until the side windows are fully closed.
X To interrupt the closing procedure:
release the & button.
Convenience opening (Coupe) G WARNING When closing the side windows, make sure there is no danger of anyone being harmed by the closing procedure. Proceed as follows in a potentially dangerous situation: RRelease the & button to interrupt the
closing procedure.
RPress and hold the& button to open. To
continue the closing procedure after
Side windows
75
ensuring that nobody can be injured by the closing procedure, press and hold the & button.
When you lock the vehicle, you can simultaneously close both side windows from outside. i The SmartKey must be close to the
driver's door handle.
X Point the tip of the SmartKey at the driver's
door handle.
X Lock the vehicle with the & button. X Press and hold the & button until the
side windows are fully closed.
X Make sure that all the side windows are
closed.
Convenience closing (Coupe) You can ventilate the vehicle before you start driving. To do so, open the side windows using the SmartKey. i The SmartKey must be close to the
driver's door handle.
X Point the tip of the SmartKey at the driver's
door handle.
X Unlock the vehicle by pressing the %
button.
X Press and hold the % button until the side windows are in the desired position.
X To interrupt convenience opening:
release the % button.
76
Soft top (Roadster)
Problems with the side windows Problem A side window will not close.
Possible causes/consequences and MM Solutions Objects prevent it from closing. X Remove the objects. X Close the side window.
A side window will not close.
You cannot see the cause. If a side window is obstructed during closing and reopens again slightly: X Immediately after the window blocks, pull the corresponding
switch again until the side window has closed. The side window is closed with increased force. G WARNING Pulling and holding the switch to close the door window immediately after it had been blocked two times will cause the door window to close without the anti-entrapment feature for as long as you hold the switch.
If a side window is obstructed again during closing and reopens again slightly: X Immediately after the window blocks, pull the corresponding
switch again until the side window has closed. The side window is closed without the anti-entrapment feature.
Soft top (Roadster) Important safety notes G WARNING Only drive with the soft top fully open or closed. If the soft top does not open or close fully, the soft-top hydraulics are depressurized and the soft top is lowered: Rafter about seven minutes if the ignition is
switched on
Rimmediately if the ignition is switched off A warning tone sounds shortly beforehand. The Top lowering Top lowering message appears in the multifunction display.. Lock the soft top again before driving on. Otherwise the unlocked soft top could open
during the journey and cause you to lose control of your vehicle. You and/or other persons could be injured as a result.
You can open or close the soft top: Rif the vehicle is stationary or Rif the speed does not exceed 30 mph
(50 km/h)
If there is a strong head wind, it may not be possible to close the soft top fully. In order to close the soft top fully, reduce speed or stop. For safety reasons, Mercedes-Benz recommends that you only open or close the soft top when the vehicle is stationary. ! Never sit on the soft top when it is closed
or store heavy objects on it. You will
Soft top (Roadster)
77
otherwise damage the soft top of the vehicle.
! When opening and closing the soft top,
make sure that: Rthere is sufficient clearance above it, as
the soft top swings upwards.
Opening and closing X When the vehicle is stationary, depress the
brake pedal.
X Select key position 1 using the Start/Stop
button (Y page 113).
Rthere are no objects on the soft top or
the soft-top covers to the side.
Rthe fabric is not dirty, wet or frozen Rthe outside temperature is above -10 †. You could otherwise damage the soft top as well as other parts of the vehicle.
i Make sure that the soft top is dry and
clean before closing it. Otherwise, water or dirt could enter the vehicle interior or trunk.
Opening and closing with the soft top switch Important safety notes G WARNING Make sure nobody can be trapped or injured by moving parts, such as the soft-top linkage or soft-top compartment cover, when opening or closing the soft top. Release the soft-top switch in the event of danger. The soft-top mechanism stops immediately. G WARNING The soft top stops moving during the opening or closing procedure if you drive faster than 30 mph (50 km/h). This could impair your rear view. At high speeds the soft top may be damaged. Reduce your speed to below 30 mph (50 km/h) or stop in accordance with traffic conditions. Press the soft-top switch again in order to open or close the soft top fully.
X To open: pull soft-top switch : until the soft top is fully opened. The Convertible Top in Operation Convertible Top in Operation message appears in the multifunction display. If, when opening, you drive at speeds above 30 mph (50 km/h), the opening procedure is stopped and in the multifunction display you see the Open/Close Convertible Open/Close Convertible Top Completely Top Completely message. Reduce your speed again to below 30 mph (50 km/h) and pull the soft-top switch again to open the soft top fully.
X To close: press and hold soft-top switch : until the soft top is fully closed. The Convertible Top in Operation Convertible Top in Operation message appears in the multifunction display. If, when closing, you drive at speeds above 30 mph (50 km/h), the closing procedure is stopped and in the multifunction display you see the Open/Close Convertible Open/Close Convertible Top Completely Top Completely message. Reduce speed back to under 30 mph (50 km/h) and push the soft top switch again to fully close the soft top.
78
Soft top (Roadster)
Opening and closing using the SmartKey Important safety notes G WARNING Make sure nobody can be trapped or injured by moving parts, such as the soft-top linkage or soft-top compartment cover, when opening or closing the soft top. If there is a risk of entrapment, immediately release the % or & button on the SmartKey. The soft-top mechanism stops immediately.
Opening and closing i The SmartKey must be close to the
driver's door handle.
X Point the tip of the SmartKey at the driver's
door handle.
X To open: press and hold the % button on the SmartKey until the soft top is fully opened. The Convertible Top in Operation Convertible Top in Operation message appears in the multifunction display.
X To close: press and hold the & button on the SmartKey until the soft top is fully closed. The Convertible Top in Operation Convertible Top in Operation message appears in the multifunction display. The soft top and the side windows close.
Relocking the soft top G WARNING Stop the vehicle at a suitable location as soon as it is possible to do so safely and lock the soft top before driving on. You could otherwise endanger yourself and others.
The soft top is not locked if: Rthe Convertible Top in Operation Convertible Top in Operation message appears in the multifunction display.
Ryou hear a warning tone for up to ten
seconds when pulling away or while driving.
You can lock the soft top again if it is not locked fully. X Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
X Select key position 2 with the Start/Stop
button (Y page 113).
X Press the soft-top switch.
Installing/removing the wind screen G WARNING You could lose control of the vehicle and injure yourself or others if you operate the wind screen while driving. Install or remove the wind screen only when the vehicle is stationary. G WARNING If the wind screen is not properly engaged and the fastening levers are not folded outwards, it could become detached while driving. There is a risk of accident and injury. Make sure that you push in the wind screen up to the locking point and then fold the fastening levers outwards.
! Install or remove the wind screen only
when the soft top is open. You could otherwise damage the wind screen or the vehicle interior.
! Mercedes-Benz recommends that you only use wind screens which have been tested and approved for Mercedes-Benz vehicles. This helps to prevent damage to the vehicle.
Soft top (Roadster)
79
The wind screen protects against wind when driving with the soft top open. It is secured between the roll bars. The wind screen is in a bag on the tank partition wall in the trunk. X Open the trunk.
X Detach the wind screen bag, remove it from the trunk and put the wind screen back into it.
X Attach the wind screen bag to the tank
partition wall in the trunk again.
X Detach wind screen bag : from four
press-studs ; on the tank partition wall. X Remove the wind screen from wind screen
bag :.
X Attach wind screen bag : to the tank
partition wall again.
X To install: fold both fastening levers ;
inwards in the direction of the arrow. X Push wind screen : into the recess
between the roll bars up to the locking point.
X Fold both fastening levers ; outwards. X To remove: fold both fastening levers ;
inwards in the direction of the arrow.
X Pull wind screen : upward.
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Soft top (Roadster)
Problems with the soft top Problem The soft top will not open or close.
Possible causes/consequences and MM Solutions Key position 1 is not selected. X Select key position 1 using the Start/Stop button.
The brake pedal has not been depressed with the vehicle stationary. X Depress the brake pedal.
The soft-top mechanism or control system is defective. X Visit a qualified specialist workshop.
The soft top has been opened and closed several times in a row. The soft-top drive has been deactivated automatically for safety reasons. You can open and close the soft top again after approximately ten minutes. X Switch off the ignition and turn it back on. X Repeat the opening or closing procedure.
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Useful information .............................. 82
Correct driver's seat position ............ 82
Seats .................................................... 83
Steering wheel .................................... 86
Mirrors ................................................. 87
Memory function ................................. 8982
Correct driver's seat position
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).
Correct driver's seat position
Observe the safety guidelines on seat adjustment (Y page 83). X Make sure that seat = is adjusted
properly. Electrical seat adjustment (Y page 84) When adjusting the seat, make sure that: Ryou are as far away from the driver's air
bag as possible.
Ryou are sitting in a normal upright
position.
Ryou can fasten the seat belt properly. Ryou have moved the backrest to an
almost vertical position.
Ryou have set the seat cushion angle so that your thighs are gently supported. Ryou can depress the pedals properly. Observe the safety guidelines on steering wheel adjustment (Y page 86). X Make sure that steering wheel : is
adjusted properly. Adjusting the steering wheel electrically (Y page 86) When adjusting the steering wheel, make sure that: Ryou can hold the steering wheel with your
arms slightly bent.
Ryou can move your legs freely. Ryou can see all the displays in the
instrument cluster clearly.
Observe the safety guidelines for seat belts (Y page 47). X Check whether you have fastened seat
belt ; properly (Y page 49). The seat belt should: Rfit snugly across your body Rbe routed across the middle of your
shoulder
Rbe routed in your pelvic area across the
hip joints
X Before starting off, adjust the rear-view
mirror and the exterior mirrors (Y page 87) in such a way that you have a good view of road and traffic conditions. X Vehicles with a memory function: save the seat, steering wheel and exterior mirror settings (Y page 89).
Seats Important safety notes G WARNING In order to avoid possible loss of vehicle control, the following must be done before the vehicle is put into motion: Rseat adjustment Rsteering wheel adjustment Rrear-view mirror adjustment Rfastening of seat belts G WARNING In order to avoid possible loss of vehicle control, all seat, head restraint, steering wheel and rear view mirror adjustments, as well as fastening of seat belts, must be done before setting the vehicle in motion. G WARNING Do not adjust the driver's seat while driving. Adjusting the seat while driving could cause the driver to lose control of the vehicle. Never travel in a moving vehicle with the seat backrest in an excessively reclined position as this can be dangerous. You could slide under the seat belt in a collision. If you slide under it, the seat belt would apply force at the abdomen or neck. This could cause serious or fatal injuries. The seat backrest and seat belts provide the best restraint when the wearer is in a position that is as upright as possible and seat belts are properly positioned on the body. G WARNING Your seat belt must be adjusted so that you can correctly fasten your seat belt. Observe the following points: Radjust the seat backrest until your arms are
slightly angled when holding the steering wheel.
Radjust the seat to a comfortable seating position that still allows you to reach the
Seats
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accelerator/brake pedal safely. The position should be as far back as possible with the driver still able to operate the controls properly.
Radjust the head restraint so that it is as
close to the head as possible and the center of the head restraint supports the back of the head at eye level.
Rnever place hands under the seat or near
any moving parts while a seat is being adjusted.
Failure to do so could result in an accident and/or serious personal injury. G WARNING The electrically adjustable seats can be operated at any time. Therefore, do not leave children unattended in the vehicle, 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. G WARNING Children 12 years old and under must be seated and properly secured in an appropriately sized infant restraint, toddler restraint or booster seat recommended for the size and weight of the child. For additional information, see section "Children in the vehicle". 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.
! To avoid damage to the seats and the seat heating, observe the following information: Rdo not spill any liquids on the seats. If
liquid is spilled on the seats, dry them as soon as possible.
Rif the seat covers are damp or wet, do not
switch on the seat heating. The seat heating should also not to be used to dry the seats.
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Seats
Rclean the seat covers as recommended;
see the "Interior care" section.
Rdo not transport heavy loads on the
seats. Do not place sharp objects on the seat cushions, e.g. knives, nails or tools. The seats should only be occupied by passengers, if possible.
Rwhen the seat heating is in operation, do
not cover the seats with insulating materials, e.g. blankets, coats, bags, seat covers, child seats or booster seats. ! When you move the seats, make sure that
there are no objects in the footwell or behind the seats. Otherwise, you could damage the seats and the objects.
Seat adjustment
: Backrest angle ; Seat fore-and-aft adjustment = Seat cushion angle ? Seat height i You can store the seat settings using the
memory function (Y page 89).
Adjusting the lumbar support You can adjust the contour of the seat so as to provide optimum support for your back.
: To adjust the upper back support ; To adjust the contour of the backrest in
the lumbar region
= To adjust the lateral structure and support
of the seat
X Select key position 2 with the Start/Stop
button.
i If, after a certain amount of time, the seat no longer has the desired contour, repeat the adjustment.
Switching the seat heating on/off Switching on/off G WARNING Repeatedly setting the seat heating to level 3 may result in excessive seat temperatures. The health of passengers that have limited temperature sensitivity or a limited ability to react to excessively high temperatures may be affected or they may even suffer burn-like injuries. Therefore, do not use seat heating level 3 repeatedly.
The three red indicator lamps in the button indicate the heating level you have selected. i If the battery voltage is too low, the seat
heating may switch off.
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AIRSCARF (Roadster) G WARNING Very hot air can flow out of the AIRSCARF vents in the head restraints when AIRSCARF is in operation. This can cause burns on unprotected skin near the AIRSCARF vents. Make sure that you reduce the heater output in time.
The AIRSCARF function warms the head and neck area of vehicle occupants with warm air. The warm air flows out of the holes in the head restraints. The three red indicator lamps in the button indicate the heating level you have selected.
X Make sure that the SmartKey is in
position 2 in the ignition lock. X To activate: press button :.
Three red indicator lamps in the button light up. The blower starts up after a preheating phase of seven seconds.
X Press button : repeatedly until the
desired heating level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out.
You can use the adjustable fins on the head restraint to adjust the height of the current of air blown out according to your height. Make sure that there are no objects covering the intake grille on the back of the driver's seat backrest. i The blower continues running for seven
seconds to cool down the heating elements.
The system automatically switches down from level 3 to level 2 after approximately five minutes. The system automatically switches down from level 2 to level 1 after approximately ten minutes. The system automatically switches off approximately 20 minutes after it is set to level 1. X Select key position 2 with the Start/Stop
button.
X To switch on: press button : repeatedly
until the desired heating level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out.
Problems with the seat heating The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. X Switch off electrical consumers that you do
not need, such as the rear window defroster or interior lighting. Once the battery is sufficiently charged, the seat heating will switch back on automatically.
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Steering wheel
i If the battery voltage is too low, AIRSCARF
may switch off.
Steering wheel Important safety notes G WARNING Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving could cause the driver to lose control of the vehicle. The electrical steering wheel adjustment feature can be operated at any time. Therefore, do not leave children unattended in the vehicle, 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.
Adjusting the steering wheel
: To adjust the steering wheel position
(fore-and-aft adjustment)
; To adjust the steering wheel height i Other topics:
REASY-ENTRY/EXIT feature
(Y page 86)
RStoring settings (Y page 89)
EASY-ENTRY/EXIT feature Important safety notes The EASY-ENTRY/EXIT feature makes getting in and out of your vehicle easier. You can activate and deactivate the EASY- ENTRY/EXIT feature in the on-board computer (Y page 156). 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 stalk or press the memory position switch. 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. G WARNING Let the system complete the adjustment procedure before setting the vehicle in motion. All steering wheel adjustment must be completed before setting the vehicle in
