2019 MERCEDES-BENZ SLC trunk release

Rear view camera .......................... 159
Driving tips
Active Distance Assist
DISTRONIC .................................... 150
Automatic transmission .................128
Brakes ...........................................139
Break-in period .............................. 117
Downhill gradient ........................... 139
Drinking and driving ....................... 137
Driving in winter .............................141
Driving on flooded roads ................ 141
Driving on wet roads ......................141
Exhaust check ............................... 138
Fuel ................................................ 137
General .......................................... 137
Hydroplaning ................................. 141
Icy road surfaces ........................... 141
Limited braking efficiency on sal-
ted roads ....................................... 140
Snow chains .................................. 270
Subjecting brakes to a load ........... 139
Wet road surface ........................... 139
DVD video
Operating (on-board computer) ..... 173
see also Digital Operator's Man-
ual ..................................................217
DYNAMIC SELECT button.................. 124
E
EASY-ENTRY feature
Activating/deactivating ................. 178
Function/notes ................................ 91
EASY-EXIT feature
Crash-responsive .............................92
Function/notes ................................ 91
Switching on/off ........................... 178
EBD (electronic brake force distri-
bution)
Display message............................ 185
Function/notes................................ 63
ECO display
Function/notes............................. 138
On-board computer ....................... 170
ECO start/stop function
Automatic engine start .................. 122
Automatic engine switch-off .......... 121
Deactivating/activating ................. 122
General information ....................... 121
Important safety notes .................. 121
Introduction ................................... 121
Electronic Stability Program
see ESP®(Electronic Stability Program)
Emergency
Automatic measures after an
accident ........................................... 53
Emergency release
Driver's door .................................... 73
Trunk ............................................... 75
Vehicle ............................................. 73
Emergency spare wheel
General notes ................................ 294
Important safety notes .................. 293
Removing ....................................... 294
Storage location ............................ 294
Stowing .......................................... 294
Technical data ............................... 294
Emergency Tensioning Devices
Activation ......................................... 50
Emissions control
Service and warranty information .... 24
Engine
Check Engine warning lamp ........... 213
Display message ............................ 194
ECO start/stop function ................ 121
Engine number ............................... 298
Irregular running ............................ 123
Jump-starting ................................. 260
Overview ........................................ 244
Starting problems .......................... 123
Starting the engine with the
SmartKey ....................................... 120
Starting with KEYLESS-GO ............. 120
Switching off .................................. 135
Tow-starting (vehicle) ..................... 265
Engine electronics
Notes ............................................. 296
Problem (malfunction) ................... 123
Engine oil
Adding ........................................... 241
Additives ........................................ 301
Checking the oil level ..................... 241
Checking the oil level using the
dipstick .......................................... 241
Display message ............................ 196
Filling capacity ............................... 301
Index9

GVW (Gross Vehicle Weight) (def-
inition) ...........................................287
GVWR (Gross Vehicle Weight
Rating) (definition) ......................... 287
Important safety notes .................. 267
Increased vehicle weight due to
optional equipment (definition) ...... 286
Information on driving .................... 267
Kilopascal (kPa) (definition) ........... 287
Labeling (overview)........................ 283
Load bearing index (definition) ...... 288
Load index ..................................... 285
Load index (definition) ................... 287
M+S tires....................................... 269
Maximum load on a tire (defini-
tion) ............................................... 287
Maximum loaded vehicle weight
(definition) ..................................... 287
Maximum permissible tire pres-
sure (definition) ............................. 287
Maximum tire load ......................... 285
Maximum tire load (definition) ....... 287
MOExtended tires.......................... 269
Optional equipment weight (defi-
nition) ............................................ 288
Overview ........................................ 267
PSI (pounds per square inch)
(definition) ..................................... 287
Replacing ....................................... 288
Service life ..................................... 268
Sidewall (definition) ....................... 288
Speed rating (definition) ................ 287
Storing ........................................... 289
Structure and characteristics
(definition) ..................................... 286
Summer tires ................................. 269
Temperature .................................. 282
TIN (Tire Identification Number)
(definition) ..................................... 288
Tire bead (definition) ...................... 288
Tire pressure (definition) ................ 287
Tire pressures (recommended) ...... 286
Tire size (data)............................... 292
Tire size designation, load-bear-
ing capacity, speed rating .............. 283
Tire tread ....................................... 268
Tire tread (definition) ..................... 288
Total load limit (definition) ............. 288
Traction ......................................... 282
Traction (definition) ....................... 288
Tread wear ..................................... 282
Uniform Tire Quality Grading
Standards ...................................... 281
Uniform Tire Quality Grading
Standards (definition) .................... 286
Wear indicator (definition) ............. 288
Wheel and tire combination ........... 292
Wheel rim (definition) .................... 287
see Flat tire
Tow-starting
Emergency engine starting ............ 265
Important safety notes .................. 263
Towing
Permitted towing methods ............ 264
Towing away
Important safety guidelines ........... 263
Installing the towing eye ................ 263
Removing the towing eye ............... 264
Transporting the vehicle ................ 265
With both axles on the ground ....... 264
With the rear axle raised ................ 264
Traffic reports
see also Digital Operator's Man-
ual .................................................. 217
Transmission
Overview of transmission posi-
tions .............................................. 125
Selector lever ................................ 125
see Automatic transmission
Transmission position display......... 125
Transporting the vehicle.................. 265
Trip computer (on-board com-
puter).................................................. 170
Trip odometer
Calling up ....................................... 170
Resetting (on-board computer) ...... 171
Trunk
Emergency release .......................... 74
Important safety notes .................... 73
Locking separately ........................... 74
Opening/closing (manually from
outside) ............................................ 74
Overview .......................................... 73
Trunk lid
Display message ............................ 204
Opening dimensions ...................... 303
Index19

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
DTUnlocks the trunk lid

XTo restore the factory settings:press andhold down the6and7buttonssimultaneously for approximately six sec-onds until the battery check lamp(Ypage 69) 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 64).
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 73)
Runlocking the trunk (Ypage 74)
Rlocking the vehicle (Ypage 73)
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.
68SmartKey
Opening and closing

The opening dimensions of the trunk lid can befound in the "Vehicle data" section(Ypage 303).
Do not leave the SmartKey in the trunk. Youcould otherwise lock yourself out.
The trunk lid can be:
Ropened/closed from outside
Ropened automatically from outside
Rlocked separately
Ropened with the emergency release button
Runlocked with the mechanical key
You should preferably place luggage or loadsin the trunk.
Opening/closing from outside
Opening
XPress the6button on the SmartKey.
XPull handleC.
XLift the trunk lid.
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.
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 68).
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 64).
74Trunk
Opening and closing

XTake the mechanical key out of the Smart-Key (Ypage 68).
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.
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 of
Side windows75
Opening and closing
Z

If you operate the roof switch and theTrunk Partition OpenTrunk Partition Openmessage appearsin the multifunction display, the trunk parti-tion is not closed correctly.
XClose the trunk partition.
XTo close:press and hold soft-top switchCuntil the soft top is fully closed.TheVario-Roof in OperationVario-Roof in Operationmessageappears in the multifunction display. Oncethe opening procedure is complete, themessage disappears and a tone sounds.
All of the side windows open.
XTo close all side windows, pull the switchunder the cover of the center console(Ypage 76).
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 73).
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 79).
Trunk partition
General notes
!To avoid damaging the roof or luggagewhen folding back the roof, you should:
80Roof
Opening and closing

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
The trunk partition can be used to cover lug-gage and loads in the trunk.
Opening and closing
XTo open:grip the handle of trunk parti-tionC.
XPress the release button in the handle oftrunk partitionC.Trunk partitionCis unlocked.
XPull trunk partitionCup out of the eyeletson the edge of the trunk.
XPush trunk partitionCforwards against thedirection of the arrow by handle.
XTo close:pull back trunk partitionCby thehandle in the direction of the arrow andengage into the eyelets on the edge of thetrunk on both sides.
Wind screen
Important safety notes
GWARNING
If you use the wind screen in darkness or in
other conditions offering poor visibility, your
view to the rear is further impaired. There is
a risk of an accident.
Only use the wind screen when visibility con-
ditions are good.
GWARNING
If the wind screen is incorrectly installed, it
could detach itself during a journey and
endanger other road users. There is a risk of
an accident and injury.
Install the wind screen as described.
!Install or remove the wind screen onlywhen the roof is open. You could otherwisedamage the wind screen or the vehicle inte-rior.
The wind screen offers protection from thewind when driving with the roof down.
The wind screen can be installed or removedfrom the driver's side or passenger side.
For operations involving the wind screen, it ispreferable to be positioned on the side of thevehicle facing away from the traffic, after stop-ping the vehicle in accordance with the trafficconditions.
Installing and removing the wind
screen
Preparing for installation
CWind screen
DUnlocked latch