2016 MERCEDES-BENZ S-Class SEDAN ignition

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Enable dSeeOperator' sManual
The front-passenger air bag is enabled during th ejourney, eve n
though :
Rachild, asmall adult or an objec tweighing less than th esystem' s
weigh tthreshold is locate don th efront-passenger seat
or
Rth efront-passenger seat is unoccupied
The system may detec tobjects or force sapplyin gadditional weigh ton
th eseat .
GWARNIN G
The air bag may deploy unintentionally.
There is an increased ris kof injury.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XSwitchth eignition off .
XOpenth efront-passenger door .
XRemove thechild and th echild restrain tsystem from th efront-
passenger seat .
XMakesur ethat there are no objects on th eseat addin gto th e
weight.
The system may otherwise detec tth eadditional weigh tand inter-
pre tth eseat occupant's weigh tas greate rthan it actually is.
XKee pth eseat unoccupied ,close th efront-passenger door and
switch on th eignition .
XObserveth ePASSENGER AI RBA Gindicator lamp sin th ecenter
console and th emultifunction display and chec kth efollowing:
Seat unoccupied and ignition switche
d on
:
Raself-diagnosis is carrie dout .The PASSENGER AI RBA GOF Fand
PASSENGER AI RBA GON indicator lamp sligh tup simultaneousl y
for approximately six seconds
Rth ePASSENGER AI RBA GOF Findicator lamp mus tthen ligh tup
and remain lit after th eself-diagnosis .If th eindicator lamp is on ,
OCS (Occupant Classification System) has disabled th efront-
passenger fron tair bag (
Ypage 54 )
Rthedisplay message sFront Passenger Airbag Enable dSee Operator'sManualor Front Passenger Airbag Dis ‐abled See Operator'sManualmus tno tappear in th emulti-
function display.
XWait for aperiod of at least 60 seconds until th enecessar ysystem
checks hav ebeen completed.
XMak esur ethat th edisplay message sdo no tappear in th emulti-
function display.
If these condition sare fulfilled ,th efront-passenger seat can be occu-
pied again .Whether th ePASSENGER AI RBA GOF For ON indicator
lamp remain slit or goe sout depend son how OCS classifies th eoccu-
pant.
If th econdition sare no tfulfilled ,th esystem is no toperating correctly.
290Display messages
On-board computer and displays

Hybrid drive system
Display messagesPossible causes/consequences andMSolutions
d
VehicleOperationalSwitchtheIgnitionOff Before Exiting
PLUG-IN HYBRID vehicles:
You are leaving the vehicle when it is in a ready-to-drive state. The
READY indicator in the multifunction display is on. A warning tone also
sounds.
If you leave the vehicle:
XSecure the vehicle against rolling away (Ypage 189).
XSwitch off the ignition and remove the SmartKey.
If you do not leave the vehicle:
XSwitch off the electrical consumers, e.g. automatic climate control,
seat heating.
Please note the following: the electrical consumers are supplied by the 12 V battery. If the vehicle is left in a ready-to-drive state for an exten-
ded period, it will switch off once the 12 V battery is almost empty. It
will then only be possible to start the vehicle using a second battery
(jump-starting).
Change the currentdrive programbeforechangingtheoperating mode.or
Exit manual drive
program M beforechangingtheoperat‐ing mode.
PLUG-IN HYBRID vehicles:
You have attempted to change the operating mode when in automatic
drive program S(Sport) or manual drive program M.
XActivate the drive programE(Economy) or E+(Economy Plus)
(Ypage 250).
XSelect the preferred operating mode HYBRID,E-MODE,E-SAVE or
CHARGE (Ypage 243).
E-MODE CurrentlyUnavailable
PLUG-IN HYBRID vehicles:
The condition of charge of the high-voltage battery has dropped to the
lower limit and the E-MODEoperating mode has been switched off.
Driving with the internal combustion engine is activated and the oper-
ating mode switches to the basic HYBRIDsetting.
XContinue driving using the internal combustion engine.
You can switch to the E-SAVEorCHARGE operating mode as
required (
Ypage 243).
If you select CHARGE, the high-voltage battery is charged.
Once the charge level display for the high-voltage battery has
increased slightly, you can switch to the E-MODEoperating mode
again.
Display messages297
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
ParkAssistCanceledThe driver's door is open .
XRepeat theparking gap measuremen tand parking process wit hth e
driver's door closed .
You touched themultifunction steering whee lwhile steering inter-
vention was active .
XWhilesteering intervention is active ,mak esur ethat th emultifunc-
tion steering whee lis no ttouched unintentionally.
The vehicl ehas started to skid and ES P®has intervened.
XUse Active Parking Assistagain later (Ypage 216).
ParkAssist Inoper ‐ativePARKTRONICis malfunctioning or faulty.
XFollow th einstruction sand helpful hints in th e"Problem swit h
PARKTRONIC" section (Ypage 216).
If th emultifunction display still shows th edisplay message :
XVisitaqualified specialist workshop .
Active Parking Assistis unavailable or faulty.
XSwitc hoff th eignition and restar tth eengine.
If Active Parking Assis tcontinues to be unavailable (the jsymbol is
no tshown in th emultifunction display):
XVisit aqualified specialist workshop .
ParkAssistSwitched OffThe vehicl eis parked. Awarning tone also sounds.
The display message disappear sautomatically.
Night Vie wAssistCurrently Unavaila‐ble
Night View Assis tPlus is deactivated and temporarily inoperative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rth ecamera in th eradiato rtrim is dirty.
Rvisibilit yis impaire ddue to heav yrain ,snow or fog .
Rtheoutside temperature is to ohigh .
XClean th ewindshield.
XClean th ecamera in th eradiato rtrim.
If th esystem has been switched off due to excessive outside tem-
peratures, th esystem will switch bac kon automatically once it has
cooled down .
If th esystem detects that th ecamera is full yoperational, th edisplay
message disappears.
Night View Assis tPlus is operational again .
Night ViewAssistInoperativeNight View Assis tPlus is defective.
XVisit aqualified specialist workshop .
302Display messages
On-board computer and displays

SmartKey
Display messagesPossible causes/consequences andMSolutions
Â
KeyDoesNotBelongto Vehicle
You have put the wrong SmartKey in the ignition lock.
XUse the correct SmartKey.
Â
Take Your Key fromIgnition
The SmartKey is in the ignition lock.
XRemove the SmartKey.
Â
Obtain a New Key
The SmartKey needs to be replaced.
XVisit a qualified specialist workshop.
Â
Replace Key Battery
The SmartKey battery is discharged.
XChange the battery (Ypage 82).
Â
Don't Forget YourKey
The SmartKey is not in the ignition lock. You have opened the driver's
door with the engine switched off.
This display message is displayed in the multifunction display for a
maximum of 60 seconds and is simply a reminder.
XTake the SmartKey with you when you leave the vehicle.
Â
Key Not Detected(white display message)
The SmartKey is currently undetected.
XChange the location of the SmartKey in the vehicle.
If the SmartKey still cannot be detected:
XInsert the SmartKey into the ignition lock and turn it to the desired position.
Â
Key Not Detected(red display message)
The SmartKey is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle cen-
trally or start the engine.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 189).
XLocate the SmartKey.
XPress aon the steering wheel to confirm the display message.
312Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Becausethere is interferenc efrom astron gsource of radi owaves, th e
ke yis no tdetecte dwhils tth eengin eis running.
A warning tone also sounds.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XInsertth eSmartKey int oth eignition loc kand bring int oke ymode.
Â
Remove 'Start 'But ‐ton and Insert Key
The SmartKey is continually undetected.
The SmartKey detection function has atemporar ymalfunction or is
faulty. Awarning tone also sounds.
XInser tth eSmartKey int oth eignition loc kand tur nit to th edesire d
position .
XVisitaqualified specialist workshop .
Warning and indicat orlamps in the instrume nt cluster
General notes
Some systems carry out aself-diagnosis when th eignition is switched on .Therefore ,som eindicator
and warning lamp smay ligh tup or flas htemporarily. This behavio ris non-critical .These indicator
and warning lamp sonly indicat e amalfunction if they ligh tup or flas hafter starting th eengin eor
whils tdriving.
Safety
Seat belts
Warning/
indicator
lam pNSignal type
Possible causes/consequences and M
Solutions
üNAfte rstarting th eengine, th ered seat belt warning lamp lights up for 6seconds .
The seat belt warning lamp remind sth edriver and fron tpassenger to faste ntheir
seat belts.
XFaste nyour seat belt (Ypage 49).
üNAfte rstarting th eengine, th ered seat belt warning lamp lights up. In addition , a
warning tone sounds for up to 6seconds.
The driver's seat belt is no tfastened.
XFaste nyour seat belt (Ypage 49).
The warning tone ceases .
Warning and indicator lamps in the instrument cluster313
On-board computer and displays
Z

Engine
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
;NThe yellow Check Engine warning lamp lights up while the engine is running.
There may be a malfunction, for example:
Rin the engine management
Rin the fuel injection system
Rin the exhaust system
Rin the ignition system
Rin the fuel system
The emission limit values may be exceeded and the engine may be in emergency
mode.
XVisit a qualified specialist workshop immediately.
iIn some states, you must immediately visit a qualified specialist workshop as
soon as the yellow Check Engine warning lamp lights up. This is due to the legal
requirements in effect in these states. If in doubt, check whether such legal
regulations apply in the state in which you are currently driving.
8N The yellow reserve fuel warning lamp lights up while the engine is running.
The fuel level has dropped into the reserve range.
XRefuel at the nearest gas station.
8N The yellow reserve fuel warning lamp flashes while the vehicle is in motion.
In addition, the ;Check Engine warning lamp may light up.
The fuel filler cap is not closed correctly or the fuel system is leaking.
XCheck that the fuel filler cap is correctly closed.
XIf the fuel filler cap is not correctly closed: close the fuel filler cap.
XIf the fuel filler cap is closed:visit a qualified specialist workshop.
?NThe red coolant warning lamp comes on while the engine is running. The coolant
temperature gauge is at the beginning of the cold range.
The temperature sensor for the coolant temperature gage is defective.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
XPull over and stop the vehicle safely and switch off the engine, paying attention
to road and traffic conditions. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 189).
XConsult a qualified specialist workshop.
320Warning and indicator lamps in the instrument cluster
On-board computer and displays

Vehicles with electrically adjustable rear
bench seats
XFold down the rear seat armrest.
XTo open:press down base ;of the cup
holder in the middle until it engages.
XTo close: press closing button :.
Base ;of cup holder pops up.
The cup holder insert can be removed for clean-
ing. Clean with clear, lukewarm water only.
!Please do not pull out the cup holder insert
any further than 15 mm. Otherwise, the
wooden trim on the rear seat armrest could be
damaged.
XTo remove the insert: press down base=of
the cup holder in the middle until it engages.
XPress both retaining clips ;and pull the cup
holder insert upwards approximately 15 mm.
XPress button :.
Base =of cup holder pops up.
XRemove the insert from the rear seat armrest
completely.
!Make sure that the cup holder insert has
been inserted into the recess correctly. Oth-
erwise, the wooden trim on the rear seat arm-
rest could be damaged.
XTo install the insert: make sure that base;
of the cup holder is in the upper position.
XPlace the cup holder insert into the recess in
the rear seat armrest such that button :is
facing forwards.
XPress the cup holder insert down.
XPress outer ring =of the cup holder insert,
until the cup holder insert engages audibly.
Temperature controlled cup holder in
the rear compartment
Example: Sedan
:
Cup holder
;Switch
The temperature-controlled cup holder can be
used to keep cold drinks cool and warm drinks
warm.
When you use the warming function, the metal
insert of the cup holder is heated. Therefore, do
not touch the cup holder insert.
XTurn the SmartKey to position 2in the ignition
lock (Ypage 162).
XTo switch on the cooling function: press
and hold button ;until the blue indicator
lamp on the button lights up.
332Features
Stowage and features

iYou can use the switches on the rear doors
to close the rear roller sunblinds for the oppo-
site side.
Rear window roller sunblind
Important safety notes
GWARNING
Parts of the body could be trapped in the
sweep of the roller sunblind when the roller
sunblind is extended or retracted. There is a
risk of injury.
When extending or retracting make sure that
no parts of the body are in the sweep of the
roller sunblind. Briefly press the button again
if someone becomes trapped. The opening or
closing process is briefly stopped. The roller
sunblind then returns to its initial position.
!Make sure that the roller sunblind can move
freely. Otherwise, the roller sunblind or other
objects could be damaged.
At temperatures below Ò4 ‡ (Ò20 †) the roller
sunblind cannot be operated.
Extending/retracting from the driver's
seat
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 162).
XTo extend or retract: briefly press button:.
The roller sunblind fully extends or fully
retracts.
XTo stop: briefly press button :again.
The roller sunblind stops briefly and moves
back into the out-of-use position.
Extending/retracting from the rear
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 162).
XTo extend: pull switch:upwards and let go.
The roller sunblind extends fully.
XTo stop extending: press switch:down-
wards briefly.
The roller sunblind stops briefly and then
retracts again.
XTo retract: press switch :beyond the point
of resistance and let go.
The roller sunblind retracts fully.
XTo stop retracting: pull switch:upwards.
The roller sunblind stops briefly and then
extends again.
When the override feature for the rear side win-
dows is activated (
Ypage 67), the uswitch
cannot be operated. The roller sunblind can only
be extended and retracted from the driver's
seat.
Ashtray
Front ashtray
334Features
Stowage and features