trunk release MERCEDES-BENZ SL CLASS 2019 Owners Manual

see also Digital Operator's Man-
ual .................................................. 243
DYNAMIC SELECT button (all
vehicles except Mercedes-AMG
vehicles)............................................. 132
DYNAMIC SELECT controller
(Mercedes-AMG vehicles)................. 133
E
EASY-ENTRY feature
Activating/deactivating ................. 201
Function/notes ............................. 103
EASY-EXIT feature
Crash-responsive ........................... 104
Function/notes ............................. 103
Switching on/off ........................... 201
EBD (electronic brake force distri-
bution)
Display message ............................208
Function/notes ................................ 69
ECO display
Function/notes .............................150
On-board computer ....................... 193
ECO start/stop function
Automatic engine start .................. 130
Automatic engine switch-off .......... 129
Deactivating/activating ................. 130
General information ....................... 129
Important safety notes .................. 129
Introduction ................................... 129
Electronic Stability Program
see ESP®(Electronic Stability Program)
Emergency
Automatic measures after an
accident ...........................................56
Emergency release
Driver's door .................................... 81
Trunk ...............................................86
Vehicle .............................................81
Emergency Tensioning Devices
Activation .........................................53
Emissions control
Service and warranty information .... 25
Engine
Check Engine warning lamp ...........239
Display message ............................ 218
ECO start/stop function ................ 129
Engine number ............................... 321
Irregular running ............................ 131
Jump-starting ................................. 285
Overview ........................................ 269
Starting problems .......................... 131
Starting the engine with the
SmartKey ....................................... 128
Starting with KEYLESS-GO ............. 128
Switching off .................................. 147
Tow-starting (vehicle) ..................... 290
Engine electronics
Notes ............................................. 319
Problem (malfunction) ................... 131
Engine oil
Adding ...........................................266
Additives ........................................ 324
Checking the oil level ..................... 266
Checking the oil level using the
dipstick .......................................... 266
Display message ............................ 220
Filling capacity ............................... 324
General notes ................................ 323
Notes about oil grades ................... 323
Notes on oil level/consumption .... 266
Temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 202
Entering an address
see also Digital Operator's Man-
ual ..................................................243
ESP®(Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 203
Characteristics ................................. 66
Deactivating/activating (button
in Mercedes-AMG vehicles) ............. 68
Deactivating/activating (except
Mercedes‑AMG vehicles) ................. 67
Display message ............................ 206
Function/notes ................................ 65
General notes .................................. 65
Important safety information ........... 66
Warning lamp ................................. 236
ETS/4ETS (Electronic Traction
System)................................................ 66
Exhaust check................................... 150
Exhaust pipe (cleaning instruc-
tions)..................................................275
10Index

Labeling (overview) ........................ 307
Load bearing index (definition) ...... 312
Load index .....................................309
Load index (definition) ................... 312
M+S tires ....................................... 295
Maximum load on a tire (defini-
tion) ............................................... 312
Maximum loaded vehicle weight
(definition) ..................................... 312
Maximum permissible tire pres-
sure (definition) .............................312
Maximum tire load ......................... 310
Maximum tire load (definition) ....... 312
MOExtended tires .......................... 295
Optional equipment weight (defi-
nition) ............................................ 312
Overview ........................................ 293
PSI (pounds per square inch)
(definition) ..................................... 312
Replacing ....................................... 313
Service life ..................................... 294
Sidewall (definition) ....................... 312
Speed rating (definition) ................ 311
Storing ...........................................313
Structure and characteristics
(definition) ..................................... 311
Summer tires ................................. 295
Temperature .................................. 307
TIN (Tire Identification Number)
(definition) ..................................... 312
Tire bead (definition) ......................312
Tire pressure (definition) ................ 312
Tire pressures (recommended) ...... 311
Tire size (data) ............................... 318
Tire size designation, load-bear-
ing capacity, speed rating .............. 307
Tire tread ....................................... 294
Tire tread (definition) ..................... 312
Total load limit (definition) ............. 313
Traction ......................................... 306
Traction (definition) ....................... 312
Tread wear..................................... 306
Uniform Tire Quality Grading
Standards ...................................... 306
Uniform Tire Quality Grading
Standards (definition) .................... 311
Wear indicator (definition) ............. 313
Wheel and tire combination ........... 318
Wheel rim (definition) .................... 311
see Flat tire
Tow-starting
Emergency engine starting ............ 290
Important safety notes .................. 288
Towing
Permitted towing methods ............ 289
Towing away
Important safety guidelines ........... 288
Installing the towing eye ................ 288
Removing the towing eye ............... 289
Transporting the vehicle ................ 290
With both axles on the ground ....... 289
With the rear axle raised ................ 290
Traffic reports
see also Digital Operator's Man-
ual .................................................. 243
Traffic Sign Assist
Display message ............................ 222
Transmission
Overview of transmission posi-
tions .............................................. 134
Selector lever ................................ 134
see Automatic transmission
Transmission position display......... 135
Transporting the vehicle.................. 290
Trip computer (on-board com-
puter).................................................. 193
Trip odometer
Calling up ....................................... 193
Resetting (on-board computer) ...... 194
Trunk
Emergency release .......................... 86
Important safety notes .................... 81
Locking separately ........................... 86
Opening/closing (automatically
from inside) ...................................... 85
Opening/closing (automatically
from outside) ................................... 83
Opening/closing (from outside,
HANDS-FREE ACCESS) .................... 84
Opening/closing (manually from
outside) ............................................ 82
Overview .......................................... 81
Power closing .................................. 81
Trunk lid
Display message ............................ 230
Opening dimensions ...................... 326
20Index

SmartKey
Important safety notes
GWARNING
If children are left unsupervised in the vehi-
cle, 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]
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 for the Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect.
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 igni-
tion lock.
!Keep the SmartKey away from strong mag-netic fields. Otherwise, the remote controlfunction could be affected.
Strong magnetic fields can occur in thevicinity of powerful electrical installations.
Do not keep the SmartKey:
Rwith electronic devices, e.g. a mobile phoneor 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 theSmartKey.
SmartKey functions
C7Locks the vehicle
DTOpens/closes the trunk lid

The KEYLESS-GO function is changed as fol-lows:
XTo unlock the driver's door:touch theinner surface of the door handle on the driv-er's door.
XTo unlock centrally:touch the inner sur-face of the driver or front-passenger doorhandle.
XTo lock centrally:touch the outer sensorsurface on one of the door handles.
XTo restore the factory settings:press andhold down the6and7buttonssimultaneously for approximately six sec-onds until the battery check lamp(Ypage 77) flashes twice.
Mechanical key
General notes
If the vehicle can no longer be locked orunlocked with the SmartKey or with KEYLESS-GO, use the mechanical key.
If you use the mechanical key to unlock andopen the driver's door or the trunk lid, theanti-theft alarm system will be triggered.Switch off the alarm (Ypage 72).
Removing the mechanical key
XPush release catchCin the direction of thearrow and at the same time removemechanical keyDfrom the SmartKey.
For further information about:
Runlocking the driver's door (Ypage 81)
Runlocking the trunk (Ypage 86)
Rlocking the vehicle (Ypage 81)
Inserting the mechanical key
XPush mechanical keyDcompletely into theSmartKey until it engages and releasecatchCis back in its basic position.
SmartKey battery
Important safety notes
GWARNING
Batteries contain toxic and corrosive sub-
stances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batteries out of the reach of children.
If a battery is swallowed, seek medical
attention immediately.
HEnvironmental note
Batteries contain pollutants.
It is illegal to dispose of
them with the household
rubbish. They must be col-
lected separately and dis-
posed of in an environmen-
tally responsible recycling
system.
Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
cialist workshop or to a col-
lection point for used bat-
teries.
The SmartKey batteries contain perchloratematerial, which may require special handlingand regard for the environment. Nationalguidelines must be observed during disposal.In California, seewww.dtsc.ca.gov/HazardousWaste/Perchlorate/index.cfm.
Mercedes-Benz recommends that you havethe batteries replaced at a qualified specialistworkshop.
76SmartKey
Opening and closing

!Only close the trunk once the roof is low-ered completely. Otherwise, you could dam-age the roof.
If you close the trunk lid before the roof islowered completely, the loading aid switchlights up and a warning tone sounds.
The opening dimensions of the trunk lid can befound in the "Vehicle data" section(Ypage 326).
With the roof open, you can use the loadingaid to raise the folded roof in the trunk tomake loading easier (Ypage 251). The trunkpartition opens automatically.
You can unlock the trunk lid if the vehicle isstationary and the roof is completely open orclosed.
Do not leave the SmartKey in the trunk. Youcould otherwise lock yourself out.
The trunk lid can be:
Ropened/closed from outside
Ropened and closed automatically from out-side (vehicles with trunk lid remote closingfeature)
Ropened and closed automatically frominside (vehicles with trunk lid remote closingfeature)
Ropened, closed or stopped during operationwithout the use of your hands (vehicles withKEYLESS-GO and HANDS-FREE ACCESS)
Rlocked separately
Ropened with the emergency release button
Runlocked with the mechanical key
You should preferably place luggage or loadsin the trunk.
Trunk lid reversing feature
The trunk lid is equipped with an automaticreversing feature. It reacts if a solid objectobstructs or restricts the trunk lid during theclosing procedure. The trunk lid opens againautomatically. The automatic reversing func-tion is only an aid and is not a substitute foryour attentiveness to the trunk lid while it isclosing.
GWARNING
The reversing feature does not respond:
Rto soft, light and thin objects, e.g. fingers
Rover the last 1/3 in (8 mm) of the closing
movement
The reversing feature cannot prevent some-
one being trapped in these situations in par-
ticular. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
Rpress theTbutton on the SmartKey,
or
Rpull or press the remote operating switch
on the driver's door or
Rpress the closing or locking button on the
trunk lid, or
Rpull on the trunk lid handle
Opening/closing from outside
Opening
XPress the6button on the SmartKey.
XPull handleC.
XLift the trunk lid.If the trunk partition was closed, it opensautomatically and remains open.
With the roof open, you can use the loadingaid to raise the folded roof in the trunk tomake loading easier (Ypage 251). The trunkpartition opens automatically.
82Trunk
Opening and closing

Closing
XPull the trunk lid down using recessC.
XLock the vehicle if necessary with the7button on the SmartKey or with KEYLESS-GO.
It does not lock if a SmartKey with KEYLESS-GO is detected in the trunk.
Opening/closing automatically from
the outside
Important safety notes
GWARNING
Parts of the body could become trapped
during automatic closing of the trunk lid.
Moreover, people, e.g. children, may be
standing in the closing area or may enter the
closing area during the closing process.
There is a risk of injury.
Make sure that nobody is in the vicinity of
the closing area during the closing process.
Use one of the following options to stop the
closing process:
Rpress theTbutton on the SmartKey.
Rpull or press the remote operating switch
on the driver's door.
Rpress the closing or locking button on the
trunk lid.
Rpull the trunk lid handle
!The trunk lid swings upwards whenopened. Therefore, make sure that there issufficient clearance above the trunk lid.
The opening dimensions of the trunk lid can befound in the "Vehicle data" section(Ypage 326).
Opening automatically
You can automatically open the trunk lid usingthe trunk lid handle.
XIf the trunk lid is unlocked, pull the trunk lidhandle and let it go again immediately.When the roof is open, the trunk partitioncloses automatically.
If the trunk partition was closed, it opensautomatically and remains open.
Vehicles with the trunk lid remote closingfeature:the trunk lid can also be openedautomatically with the SmartKey.
XPress and hold theTbutton on theSmartKey until the trunk lid opens.
Closing automatically
XPress and release closing buttonCon thetrunk lid.
Vehicles with trunk lid remote closing fea-ture and KEYLESS-GO:
XIf the driver's door is closed, you can simul-taneously close the trunk lid and lock thevehicle. The KEYLESS-GO key must be in therear detection range of the vehicle.
XPress locking buttonDin the trunk lid.The trunk partition, the loading aid and thetrunk lid are closed.
If a KEYLESS-GO key is detected outside thevehicle, the trunk lid closes and the vehiclelocks.
If a KEYLESS-GO key s detected in the trunk,the trunk lid opens again after it is closed. Itdoes not lock.
Trunk83
Opening and closing
Z

Operation
XTo open/close:kick your foot into sensordetection zoneCbelow the bumper.A warning tone will sound while the trunk lidis opening or closing.
XIf the trunk lid does not open after sev-eral attempts:wait at least ten secondsthen move your leg under the bumper onceagain.
If you hold your foot under the bumper for toolong, the trunk lid does not open or close.Repeat the leg movement more quickly if thisoccurs.
To stop the opening or closing procedure, youhave the following options:
Rkick with your foot into sensor detectionrangeCunder the bumper
RPull the handle on the outside of the trunklid.
RPress the closing button on the trunk lid.
RPull or press the remote operating switch onthe driver's door.
RPress theTbutton on the SmartKey.
If the trunk lid closing procedure has beenstopped:
RMove your foot under the bumper again andthe trunk lid will open.
If the trunk lid opening procedure has beenstopped:
RMove your foot under the bumper again andthe trunk lid will close.
Opening/closing automatically from
inside
Important safety notes
GWARNING
Parts of the body could become trapped
during automatic closing of the trunk lid. In
addition, people may be standing in the clos-
ing area or may enter the closing area, e.g.
children, during the closing procedure.
There is a risk of injury.
Make sure that nobody is in the vicinity of
the closing area during the closing process.
Release the remote operating switch imme-
diately if somebody becomes trapped. To re-
open the trunk lid, pull on the remote oper-
ating switch.
GWARNING
The trunk lid can be automatically opened or
closed even if the SmartKey is not in the
vehicle. If children are left unsupervised in
the vehicle, they could activate the func-
tions. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle.
Never leave children unsupervised in the
vehicle.
!The trunk lid swings upwards whenopened. Therefore, make sure that there issufficient clearance above the trunk lid.
The opening dimensions of the trunk lid can befound in the "Vehicle data" section(Ypage 326).
Trunk85
Opening and closing
Z

Opening and closing
XTo open:pull remote operating switchCfor the trunk lid until the trunk lid opens.If the trunk partition was closed, it opensautomatically and remains open.
XTo close:press remote operating switchCfor the trunk lid until the trunk lid is closed.When the roof is open, the trunk partitioncloses automatically.
You can open and close the trunk lid from thedriver's seat when the vehicle is stationary andunlocked.
Locking the trunk separately
You can lock the trunk separately. If you thenunlock the vehicle centrally, the trunk remainslocked and cannot be opened.
XClose the trunk lid.
XTake the mechanical key out of the Smart-Key (Ypage 76).
XInsert the mechanical key into the trunk lidlock as far as it will go.
XTurn the mechanical key clockwise frompositionGto positionH.
XRemove the mechanical key.
XInsert the mechanical key into the Smart-Key.
Unlocking the trunk (mechanical
key)
!The trunk lid swings upwards whenopened. Therefore, make sure that there issufficient clearance above the trunk lid.
If the trunk cannot be unlocked with theSmartKey or KEYLESS-GO, use the mechanicalkey.
If you use the mechanical key to unlock andopen the trunk lid, the anti-theft alarm systemwill be triggered. Switch off the alarm(Ypage 72).
XTake the mechanical key out of the Smart-Key (Ypage 76).
XInsert the mechanical key into the trunk lidlock as far as it will go.
XTurn the mechanical key from positionGcounter-clockwise as far as it will go to posi-tionH. Simultaneously pull the trunk lidhandle.The trunk is unlocked.
XTurn the mechanical key back to positionGand remove it.
XInsert the mechanical key into the Smart-Key.
Emergency release for the trunk
You can unlock the trunk lid from the insidewith the emergency release button.
86Trunk
Opening and closing

XPress emergency release buttonCbriefly.The trunk lid unlocks and opens.
The trunk lid can be unlocked and opened withthe trunk lid emergency release when the vehi-cle is stationary or while driving.
The trunk lid emergency release does notunlock the trunk lid if the battery is disconnec-ted or discharged.
Trunk lid emergency release light:
REmergency release buttonCflashes for30 minutes after the trunk lid is opened
REmergency release buttonCflashes for60 minutes after the trunk lid is closed
Side windows
Important safety notes
GWARNING
While opening the side windows, body parts
could become trapped between the side
window and the door frame as the side win-
dow moves. There is a risk of injury.
Make sure that nobody touches the side
window during the opening procedure. If
somebody becomes trapped, release the
switch or pull the switch to close the side
window again.
GWARNING
While closing the side windows, body parts
in the closing area could become trapped.
There is a risk of injury.
When closing make sure that no parts of the
body are in the closing area. If somebody
becomes trapped, release the switch or
press the switch to open the side window
again.
GWARNING
If children operate the side windows they
could become trapped, particularly if they
are left unsupervised. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle.
Never leave children unsupervised in the
vehicle.
Side window reversing feature
The front side windows are equipped with anautomatic reversing feature. If a solid objectblocks or restricts the upward movement ofone of the front side windows during the clos-ing process, the side window opens againautomatically. During the manual closing proc-ess, the side window only opens again auto-matically after the corresponding switch isreleased. However, the automatic reversingfeature is only an aid and does not relieve youof the responsibility of paying attention whenclosing a side window.
GWARNING
The reversing feature does not respond:
Rto soft, light and thin objects, e.g. fingers
Rover the last 1/6 in (4 mm) of the closing
movement
Rwhile adjusting
Rwhen closing the side window again man-
ually immediately after automatic revers-
ing
This means that the reversing feature can-
not prevent someone being trapped in these
situations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press the
switch to open the side window again.
Side windows87
Opening and closing
Z

All of the side windows open.
XTo close all side windows, pull the switchunder the cover of the center console(Ypage 88).
Opening/closing using the SmartKey
Important safety notes
GWARNING
When opening or closing the roof, body
parts could be trapped by, for example, the
roof mechanism, trunk lid or side windows.
There is a risk of injury.
When raising or lowering the roof, make
sure that no body parts are in the vicinity of
moving components. If someone becomes
trapped, release the button.
Opening and closing
This function is only available on vehicles withKEYLESS-GO or with roof comfort operation.
XClose the trunk lid (Ypage 81).If the trunk has been correctly loaded, thetrunk partition is automatically closed.
XVehicles with comfort operation:pointthe tip of the SmartKey at the driver's doorhandle.
XVehicles with KEYLESS-GO:the SmartKeymust be within 6 ft (2 m) of the vehicle.
XTo open:press and hold the6button onthe SmartKey until the roof is fully opened.The roof and the rear side windows open.The front side windows close.
XTo interrupt the opening procedure:release the6button.
XTo open the front side windows:press the6button on the SmartKey again.
XTo close:press and hold the7buttonon the SmartKey until the roof is fullyclosed.The roof and the side windows close.
XTo interrupt the closing procedure:release the7button.
Locking the roof again
Important safety notes
GWARNING
If you do not fully open/close the soft top,
the soft-top hydraulics depressurize after a
short time. This causes the soft top to lower
unexpectedly and may cause you or others
to be trapped. There is a risk of injury.
Always open or close the soft top com-
pletely.
The roof is not locked if:
RtheYsymbol and theVario-Roof inVario-Roof inOperationOperationmessage appear in the multi-function display
RtheYsymbol and theOpen/CloseOpen/CloseVario-Roof CompletelyVario-Roof Completelymessage appearin the multifunction display and you hear awarning tone
Ryou hear a warning tone for up to ten sec-onds when pulling away or while driving
Locking
You can lock the roof again if it is not lockedfully.
XPull over and stop the vehicle safely as soonas possible, paying attention to road andtraffic conditions.
XEnsure that the SmartKey is in positionHin the ignition lock.
XPress the roof switch (Ypage 91).
Trunk partition
General notes
!To avoid damaging the roof or luggagewhen folding back the roof, you should:
Ronly load the trunk to below the trunk par-tition
Rnot place any objects on or in front of thetrunk partition
Rnot place any objects on the cover behindthe roll bars
Rnot allow the cargo to push the trunk par-tition upwards
92Roof
Opening and closing