key battery MERCEDES-BENZ S CLASS 2016 Owners Manual

Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Arm rest
St owage compartment .................. 327
Asht ra y .............................................. .3 34
Assistance display (on-board com-
puter) ................................................. .2 68
Assistance menu (on-board com-
puter) ................................................. .2 69
ASSYST PLUS
Displaying a service message ....... .3 58
Hiding a service message .............. 358
Resetting the service interval dis-
play ................................................ 358
Service message ............................ 357
Special service requirements ......... 358
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 78
Function .......................................... .7 8
Switching off the alarm .................... 78
ATTENTION ASSIST
Activating/deactivating ................. 271
Display message ............................ 299
Function/notes ............................. 228
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 293
see Lights
Automatic car wash (care) ............... 359
Automatic engine start (ECO start/
stop function) .................................... 167
Automatic engine switch-off (ECO
start/stop function) .......................... 166
Automatic headlamp mode .............. 130
Automatic transmission
Accelerator pedal position ............. 173
Automatic drive program ............... 174
Changing gear ............................... 173
DIRECT SELECT lever ..................... 170
Display message ............................ 308
Driving tips .................................... 173
Emergency running mode .............. 177
Engaging drive pos itio n .................. 171
Eng aging neutral ............................ 171 Engaging park position automati-
cally ............................................... 170
Engaging reverse gear ................... 171
Engaging the park position ............ 170
Kickdown ....................................... 173
Manual drive program .................... 174
Manual drive program (Mercedes-
AMG vehicles) ................................ 175
Oil temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 275
Overview ........................................ 170
Problem (malfunction) ................... 177
Program selector button ................ 173
Pulling away ................................... 165
Starting the engine ........................ 164
Steering wheel paddle shifters ...... 174
Transmission position display ........ 172
Transmission positions .................. 172
Automatic transmission emer-
gency mode ....................................... 177
B BAS (Brake Assist System) ................. 69
BAS PLUS (Brake Assist System
PLUS) with Cross-Traffic Assist
Function/notes ................................ 69
BAS PLUS with Cross-Traffic Assist
(Brake Assist PLUS with Cross-
Traffic Assist)
Important safety notes .................... 69
Battery (high-voltage)
see High-voltage battery
Battery (SmartKey)
Checking .......................................... 82
Important safety notes .................... 82
Replacing ......................................... 82
Battery (vehicle)
Charging ........................................ 374
Display message ............................ 295
Important safety notes .................. 372
Jump starting ................................. 376
Belt
see Seat belts
Belt bag ................................................ 48
Blind Spot Assist
see Active Blind Spot Assist4
Index

Removin g ...................................... .1 85
Storing .......................................... .1 83
Warming up ................................... 182
Charging the high-voltage battery
(important safety notes) ................... 180
Chauffeur mode
Display message ............................ 310
Fully reclined position .................... 114
General notes ................................ 111
Installing the head restraint ........... 113
Moving front-passenger seat into
the chauffeur position .................... 112
Moving the front-passenger seat
into the normal position ................. 113
Removing the head restraint .......... 113
Child
Restraint system .............................. 62
Child seat
Forward-facing restraint system ...... 66
LATCH-type (ISOFIX) child seat
anchors ............................................ 63
On the front-passenger seat ............ 65
Rearward-facing restraint system .... 66
Top Tether ....................................... 64
Child-proof locks
Important safety notes .................... 66
Rear doors ....................................... 67
Children
Special seat belt retractor ............... 62
Cigarette lighter ................................ 335
Cleaning
Mirror turn signal ........................... 362
Climate control
Automatic climate control ............. 141
Controlling automatically ............... 147
Cooling with air dehumidification .. 146
Defrosting the windows ................. 151
Defrosting the windshield .............. 151
ECO start/stop function ................ 145
General notes ................................ 140
Immediate pre-entry climate con-
trol ................................................. 158
Indicator lamp ................................ 147
Ionization ....................................... 155
Notes on using the automatic cli-
mate control .................................. 145
Overview of systems ...................... 140
Perfume atomizer .......................... 153 Pre-entry climate control at
departure time ............................... 157
Pre-entry climate control via key ... 155
P ro blem with the rear window
defroster ........................................ 152
Problems with cooling with air
dehumidification ............................ 147
Rear control panel ......................... 141
Refrigerant ..................................... 432
Refrigerant filling capacity ............. 432
Setting the air distribution ............. 149
Setting the air vents ...................... 158
Setting the airflow ......................... 150
Setting the climate mode ............... 148
Setting the temperature ................ 148
Switching air-recirculation mode
on/off ............................................ 152
Switching on/off ........................... 145
Switching residual heat on/off ...... 152
Switching the rear window
defroster on/off ............................ 151
Switching the synchronization
function on and off ........................ 150
Climate control system
Climate control .............................. 145
Cockpit
Overview .......................................... 32
COLLISION PREVENTION ASSIST
PLUS
Activating/deactivating ................. 270
Display message ............................ 284
Operation/notes .............................. 71
COMAND display
Cleaning ......................................... 364
Combination switch .......................... 131
Consumption statistics (on-board
computer) .......................................... 262
Convenience closing feature .............. 96
Convenience opening feature ............ 95
Coolant (engine)
Checking the level ......................... 356
Display message ............................ 294
Displaying the temperature (on-
board computer) ............................ 269
Filling capacity ............................... 431
Important safety notes .................. 431
Temperature gauge ........................ 257
Warning lamp ................................. 3206
Index

ECO display
Function/notes ............................ .1 93
On-board computer ....................... 262
ECO start/stop function
Automatic engine start .................. 167
Automatic engine switch-off .......... 166
Deactivating/activating ................. 167
General information ....................... 166
Important safety notes .................. 166
Introduction ................................... 166
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 61
Emergency release
Driver's door ................................... .8 7
Trunk ............................................... 94
Vehicle ............................................. 87
Emergency Tensioning Devices
Activation ......................................... 57
Emissions control
Service and warranty information ... .2 5
Engine
Check Engine warning lamp .......... .3 20
Display message ............................ 294
ECO start/stop function ................ 166
Engine number ............................... 427
Irregular running ............................ 169
Jump-starting ................................. 376
Starting (important safety notes) ... 164
Starting problems .......................... 169
Starting the engine with the
SmartKey ....................................... 164
Starting via smartphone ................ 164
Starting with the Start/Stop but-
ton ................................................. 164
Switching off .................................. 190
Switching off with the Start/Stop
button ............................................ 190
Switching off with the vehicle key .. 190
Tow-starting (vehicle) ..................... 381
Engine electronics
Problem (malfunction) ................... 169
Engine oil
Adding .......................................... .3 55
Additives ........................................ 430
Checking the oil leve l ..................... 353 C he
cking the oil level using the
dipstick .......................................... 353
Checking the oil level using the
on-board computer ........................ 355
Display message ............................ 296
Filling capacity ............................... 430
General notes ................................ 429
Notes about oil grades ................... 429
Notes on oil level/consumption .... 353
Temperature (on-board computer,
Mercedes-AMG vehicles) .............. .2 75
Viscosity ........................................ 430
ESP ®
(Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 276
Characteristics ................................. 73
Deactivating/activating ................. 269
Deactivating/activating (notes) ....... 74
Display message ............................ 278
Function/notes ................................ 73
General notes .................................. 73
Important safety information ........... 73
Trailer stabilization ........................... 74
Warning lamp ................................. 317
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 73
Exhaust
see Exhaust pipe
Exhaust check ................................... 193
Exhaust pipe
Cleaning ......................................... 363
Exhaustive discharging (high-volt-
age battery) ....................................... 374
Exterior lighting
Cleaning ......................................... 362
see Lights
Exterior mirrors
Adjusting ....................................... 123
Dipping (automatic) ....................... 124
Folding in/out (automatically) ....... 124
Folding in/out (electrically) ........... 124
Out of position (troubleshooting) ... 124
Setting ........................................... 124
Storing settings (memory func-
tion) ............................................... 126
Storing the parking position .......... 125
Eyeglasses compartment ................. 326Index 9

High-voltage battery
Battery care ................................... 182
Charging (charging station) ............ 186
Charging (mains socket) ............... .1 83
Charging (wallbox) ......................... 185
Charging cable warming ................ 182
Cruise range .................................. 182
Energy consumption ..................... .1 82
General notes .................................. 43
Method of operation ..................... .1 81
Outside temperatures .................... 182
Overvoltage protection .................. 182
Problems with the charging proc-
ess ................................................. 187
Terms of use .................................. 182
Vehicle fire ....................................... 43
Hill start assist .................................. 165
HOLD function
Activating ....................................... 209
Activation conditions ..................... 209
Deactivating ................................... 209
Display message ............................ 303
Function/notes ............................ .2 08
General notes ................................ 208
Hood
Closing .......................................... .3 53
Display message ............................ 310
Important safety notes .................. 352
Opening ......................................... 352
Horn ...................................................... 32
HUD
see Head-up display
Hybrid drive system
Automatic switch off ........................ 42
Danger of electric shock .................. 42
Display message ............................ 297
General notes .................................. 42
High-voltage battery ........................ 43
Important safety notes .................... 42
Manual switch off ............................ 42
Opening the hood ............................ 43
Warning lamp ................................. 315
Hybrid vehicles
Important safety notes .................... 42
Hydroplaning ..................................... 196 I Ignition lock
see Key positions
Immobilizer .......................................... 78
Indicator and warning lamps
COLLISION PREVENTION ASSIST
PLUS .............................................. 322
Indicator lamps
see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 33
Warning and indicator lamps ........... 34
Instrument cluster lighting .............. 256
Interior lighting
Control .......................................... .1 35
Emergency lighting ........................ 135
Overview ........................................ 134
Reading lamp ................................. 134
J Jack
Using ............................................. 406
Jump starting (engine) ..................... .3 76
K
Key positions
SmartKey ....................................... 162
Start/Stop button .......................... 162
KEYLESS-GO
Convenience closing feature ............ 96
Deactivation ..................................... 80
Locking ............................................ 80
Start function ................................... 81
Unlocking ......................................... 80
Kickdown
Driving tips ................................... .1 73
Knee bag .............................................. 52
L
Lamps
see Warning and indicator lamps
Lane Keeping Assist
see Active Lane Keeping Assist Index 11

Cleaning the cover ........................ .3 65
Correct driver's seat position ....... .1 04
Display message ............................ 310
EASY-ENTRY/EXIT system ............. 122
Important safety notes .................. 105
Multicontour seat .......................... 117
Seat heating .................................. 118
Seat heating problem .................... 119
Seat ventilation .............................. 119
Seat ventilation problem ................ 120
Storing settings (memory func-
tion) ............................................... 126
Switching seat heating on/off ....... 118
Switching seat ventilation on/off .. 119
Section
Wheels and tires ............................ 384
Securing a load
see Securing cargo
Securing cargo .................................. 329
Selector lever
Cleaning ......................................... 365
see Automatic transmission
Sensors (cleaning instructions) ....... 362
Service menu (on-board com-
puter) ................................................. .2 69
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 430
Coolant (engine) ............................ 431
Engine oil ....................................... 429
Fuel ................................................ 428
Important safety notes .................. 427
Refrigerant (air-conditioning sys-
tem) ............................................... 432
Washer fluid ................................... 431
Setting the charge current (on-
board computer) ............................... 272
Setting the departure time (on-
board computer) ............................... 272
Settings
Factory (on-board computer) ......... 275
On-board computer ....................... 269
SETUP (on-board computer) ............. 276
Side impact air bag ............................ .5 2
Side marker lamp (display mes-
sage) ................................................... 292 Side windows
Cleaning ........................... .............. 362
Convenience closing feature ............ 96
Convenience opening feature ......... .9 5
Importa nt safety information ........... 94
Opening/closing .............................. 95
Problem (malfunction) .................... .9 7
Resettin g ........................................ .9 6
Reversin g feature ............................ .9 4
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 82
Changing the programming ............ .8 1
Checking the battery ...................... .8 2
Convenience closing feature ............ 96
Convenience opening feature .......... 95
Display message ............................ 312
Door central locking/unlocking ...... .7 9
Important safety notes .................... 79
KEYLESS-GO start function .............. 81
Loss ................................................ .8 4
Mechanical key ................................ 81
Overview .......................................... 79
Positions (ignition lock) ................. 162
Problem (malfunction) ..................... 84
Starting the engine ........................ 164
Smartphone
Starting the engine ........................ 164
Snow chains ...................................... 386
Sockets
Center console .............................. 336
General notes ................................ 336
Rear compartment ........................ .3 37
Trunk ............................................. 337
Special seat belt retractor .................. 62
Specialist workshop ............................ 28
Speed, controlling
see Cruise control
Speedometer
Activating/deactivating the addi-
tional speedometer ........................ 274
Digital ............................................ 263
In the Instrument cluster ................. 33
Selecting the display unit .............. .2 74
Standing lamps
Display message ............................ 29218
Index

Protection against theft
Immobilizer The immobilizer prevents your vehicle from
being started without the correct SmartKey. X
To activate with the SmartKey: remove the
SmartKey from the ignition lock. X
To activate with KEYLESS-GO: switch the
ignition off and open the driver's door. X
To deactivate: switch on the ignition.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Anyone
can start the engine if a valid SmartKey has been
left inside the vehicle.
i The immobilizer is always deactivated when
you start the engine.
In the event that the engine cannot be started
(yet the vehicle's battery is charged), the sys-
tem is not operational. Contact an authorized
Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
ATA (anti-theft alarm system)
X
To arm: lock the vehicle with the SmartKey or
KEYLESS-GO.
Indicator lamp C flashes. The alarm system
is armed after approximately 10 seconds. X
To disarm: unlock the vehicle with the Smart-
Key or KEYLESS-GO.
or X
Insert the SmartKey into the ignition lock.
A visual and audible alarm is triggered if the
alarm system is armed and you open: R
a door R
the vehicle with the mechanical key R
the trunk lid R
the hood X
To turn the alarm off with the SmartKey:
press the 6 or 7 button on the Smart-
Key.
The alarm is switched off.
or X
Remove the Start/Stop button from the igni-
tion lock. X
Insert the SmartKey into the ignition lock.
The alarm is switched off. X
To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The SmartKey
must be outside the vehicle.
The alarm is switched off.
or X
Press the Start/Stop button on the dash-
board. The SmartKey must be inside the vehi-
cle.
The alarm is switched off.
The alarm is not switched off, even if you close
the open door that triggered it, for example.
i If the alarm continues for more than
30 seconds, the mbrace emergency call sys-
tem automatically notifies the Customer
Assistance Center. This is done either by text
message or data connection.
The emergency call system sends a message
or establishes a data connection provided
that: R
you have subscribed to the mbrace service. R
the mbrace service has been activated
properly. R
the necessary mobile phone network is
available.78
Protection against theft
Safety

conserving battery power. For the purposes of
activation/deactivation, the vehicle must not be
nearby. X
To deactivate: press the 7 button on the
SmartKey twice in rapid succession.
The battery check lamp ( Y
page 82) of the
SmartKey flashes twice briefly and lights up
once, then KEYLESS-GO is deactivated . X
To activate: press any button on the Smart-
Key.
or X
Insert the SmartKey into the ignition lock.
KEYLESS-GO and all of its associated features
are available again.
KEYLESS-GO start function
General notes Bear in mind that the engine can be started by
any of the vehicle occupants if there is a Smart-
Key in the vehicle ( Y
page 164).
Changing the settings of the locking
system You can change the settings of the locking sys-
tem. This means that only the driver's door and
the fuel filler flap are unlocked when the vehicle
is unlocked. This is useful if you frequently travel
on your own. X
To change the setting: press and hold down
the 6 and 7 buttons simultaneously
for approximately six seconds until the bat-
tery check lamp flashes twice ( Y
page 82).
If the setting of the locking system is changed
within the signal range of the vehicle, pressing
the 7 or 6 button:R
locks or R
unlocks the vehicle
The SmartKey now functions as follows: X
To unlock: press the 6 button once.X
To unlock centrally: press the 6 button
twice. X
To lock: press the 7 button. The KEYLESS-GO function is changed as fol-
lows: X
To unlock the driver's door: touch the inner
surface of the door handle on the driver's
door. X
To unlock centrally: touch the inner surface
of the door handle on the front-passenger
door or the rear door. X
To lock centrally: touch the outer sensor
surface on one of the door handles. X
To restore the factory settings: press and
hold the 6 and 7 buttons simultane-
ously for approximately six seconds until the
battery check lamp flashes twice
( Y
page 82).
Mechanical key
General notes If the vehicle can no longer be locked or
unlocked with the SmartKey or KEYLESS-GO,
use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm sys-
tem will be triggered. Switch off the alarm
( Y
page 78).
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked auto-
matically. X
To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key
X
Push release catch C in the direction of the
arrow and at the same time remove mechan-
ical key D from the SmartKey.SmartKey 81
Opening and closing Z

For further information about: R
unlocking the driver's door ( Y
page 87)R
unlocking the trunk ( Y
page 93)R
locking the vehicle ( Y
page 88)
Inserting the mechanical key X
Push mechanical key D completely into the
SmartKey until it engages and release
catch C is back in its basic position.
SmartKey battery
Important safety notes
G WARNING
Batteries contain toxic and corrosive substan-
ces. 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.
H Environmental note
Batteries contain dangerous
substances. It is against the
law to dispose of them with
the household rubbish. They
must be collected separately
and recycled to protect the
environment.
Dispose of batteries in an
environmentally friendly
manner. Take discharged
batteries to a qualified spe-
cialist workshop or a special
collection point for used bat-
teries.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National guide-
lines must be observed during disposal. In Cal-
ifornia, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/index.cfm . Mercedes-Benz recommends that you have the
batteries replaced at a qualified specialist work-
shop.
Checking the battery X
Press the 7 or 6 button.
The battery is working properly if battery
check lamp C lights up briefly.
The battery is discharged if battery check
lamp C does not light up briefly. X
Change the battery ( Y
page 82).
If the SmartKey battery is checked within the
signal reception range of the vehicle, pressing
the 7 or 6 button: R
locks or R
unlocks the vehicle
i You can obtain a battery from any qualified
specialist workshop.
Replacing the battery You require a CR 2025 3 V cell battery. X
Take the mechanical key out of the SmartKey
( Y
page 81).
X
Press mechanical key D into the SmartKey
opening in the direction of the arrow until bat-82
SmartKey
Opening and closing

tery compartment cover C opens. Do not
hold battery compartment cover C closed
while doing so. X
Remove battery compartment cover C .
X
Repeatedly tap the SmartKey against your
palm until battery

Problems with the SmartKey Problem
Possible causes/consequences and P Solutions
You can no longer lock or
unlock the vehicle using
the SmartKey. The SmartKey battery is discharged or nearly discharged. X
Check the SmartKey battery ( Y
page 82) and replace it if necessary
( Y
page 82).
If this does not work: X
Unlock ( Y
page 87) or lock ( Y
page 88) the vehicle using the
mechanical key.
There is interference from a powerful source of radio waves. X
Unlock ( Y
page 87) or lock ( Y
page 88) the vehicle using the
mechanical key.
The SmartKey is faulty. X
Unlock ( Y
page 87) or lock ( Y
page 88) the vehicle using the
mechanical key. X
Have the SmartKey checked at a qualified specialist workshop.
You can no longer lock or
unlock the vehicle using
KEYLESS-GO. KEYLESS-GO was deactivated. X
Reactivate KEYLESS-GO ( Y
page 80).
The SmartKey battery is discharged or nearly discharged. X
Check the SmartKey battery ( Y
page 82) and replace it if necessary
( Y
page 82).
If this does not work: X
Unlock ( Y
page 87) or lock ( Y
page 88) the vehicle using the
mechanical key.
There is interference from a powerful source of radio waves. X
Unlock ( Y
page 87) or lock ( Y
page 88) the vehicle using the
mechanical key.
KEYLESS-GO is malfunctioning. X
Lock/unlock the vehicle using the remote control function of the
SmartKey. X
Have the vehicle and SmartKey checked at a qualified specialist
workshop.
If the vehicle can also not be locked/unlocked using the remote con-
trol function: X
Lock ( Y
page 87) or unlock ( Y
page 88) the vehicle using the
mechanical key. X
Have the vehicle and SmartKey checked at a qualified specialist
workshop.84
SmartKey
Opening and closing