2017 MERCEDES-BENZ E-Class CABRIOLET engine

For further information about ESP®, see
(Ypage 66).
XStart the engine.
XPress the =or; button on the steering
wheel to select the DriveAssistmenu.
XPress9or: to select ESP.
XPressato confirm.
The current selection appears.
XTo activate/deactivate: press theabut-
ton again.
ESP
®is deactivated if the åwarning lamp in
the instrument cluster lights up continuously
when the engine is running.
If the ÷ warning lamp and the åwarning
lamp are lit continuously, ESP
®is not available
due to a malfunction.
Observe the information on warning lamps
(
Ypage 227).
Observe the information on display messages
(
Ypage 203).
Activating/deactivating PRE-SAFE®
Brake
PRE‑SAFE®Brake is only available for vehicles
with the Driving Assistance package.
XPress the =or; button on the steering
wheel to select the DriveAssistmenu.
XPress the9or: button to select PRE-SAFE Brake.
XPressato confirm.
The current selection appears.
XTo activate/deactivate: press theabut-
ton again.
When PRE-SAFE
®Brake is deactivated, the
assistance graphic shows the æsymbol in
the multifunction display.
For more information on PRE ‑SAFE
®Brake, see
(Ypage 69).
Activating/deactivating COLLISION
PREVENTION ASSIST PLUS
XPress the =or; button on the steering
wheel to select the DriveAssistmenu.
XPress the9or: button to select Col‐lision Prevent..
XPressato confirm.
The current selection appears.
XTo activate/deactivate: press theabut-
ton again.
If COLLISION PREVENTION ASSIST PLUS is
deactivated, the assistance graphic shows
the æ symbol in the multifunction display.
For further information about COLLISION PRE-
VENTION ASSIST PLUS, see (
Ypage 64).
Activating/deactivating Steering
Assist and Stop&Go Pilot
XPress the =or; button on the steering
wheel to select the DriveAssistmenu.
XPress the9or: button to select DTR+: Steer. Asst.
XPressato confirm.
The current selection appears.
XTo activate/deactivate: press theabut-
ton again.
When Steering Assist and Stop&Go Pilot are
activated, the multifunction display shows the
DTR+: Steer. Asst.
Onmessage.
Further information about DISTRONIC PLUS
with Steering Assist and Stop&Go Pilot
(
Ypage 160).
Activating/deactivating ATTENTION
ASSIST
XPress the =or; button on the steering
wheel to select the DriveAssistmenu.
XPress the9or: button to select
Attention Assist.
XPress ato confirm your selection.
The current selection appears.
XPress ato confirm.
XPress the :or9 button to set Off,
Standardor Sensitive.
XPress the abutton to save the setting.
When ATTENTION ASSIST is deactivated, the
é symbol appears in the multifunction dis-
play in the assistance graphics display.
For further information about ATTENTION
ASSIST, see (
Ypage 177).
Menus and submenus197
On-board computer and displays
Z

XPress the=or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Instrument Clustersubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Permanent Display:function.
The current setting, Outside Temperature
orSpeedometer [km/h]/Speedometer[mph], appears.
XPress the abutton to save the setting.
Lights
Setting the brightness of the instrument
cluster lighting and switches
The lighting in the instrument cluster, in the dis-
plays and the controls in the vehicle interior can
be adjusted with the Brightness Display/
Switches:function.
XPress the=or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Lightssubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Brightness Display/Switches:function.
The current setting appears.
XPress ato confirm.
XPress the :or9 button to adjust the
brightness to any level from Level 1to
Level 5(bright).
XPress the aor% button to save the
setting.
If the light switch is set to the Ã,Tor
L position, the brightness is dependent
upon the brightness of the ambient light.
iThe light sensor in the instrument cluster
automatically controls the brightness of the
multifunction display.
In daylight, the displays in the instrument
cluster are not illuminated.
Switching the daytime running lamps on/
off
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Lightssubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Day. Run. Lightsfunction.
If the Day. Run. Lightsfunction has been
switched on, the multifunction display shows
the cone of light and the Wsymbol in
orange.
XPress the abutton to save the setting.
Further information on daytime running lamps
(
Ypage 109).
Activating/deactivating surround light-
ing and exterior lighting delayed switch-
off
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Lightssubmenu.
XPress ato confirm.
XUsing :or9, select the SurroundLightingfunction.
If the SurroundLightingfunction is activa-
ted, the light cone and the area around the
vehicle are displayed in orange in the multi-
function display.
XPress the abutton to save the setting.
Deactivating delayed switch-off of the exterior
lighting temporarily:
XBefore leaving the vehicle, turn the SmartKey to position 0in the ignition lock.
XTurn the SmartKey to position 2in the ignition
lock.
The exterior lighting delayed switch-off is
deactivated.
Delayed switch-off of the exterior lighting is
reactivated the next time you start the engine.
If you have activated the Surround Lighting
function and the light switch is set to the Ã
position, the following functions are activated
when it is dark:
Rsurround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the SmartKey. If you start the engine, the
surround lighting is switched off and auto-
matic headlamp mode is activated
(
Ypage 109).
Rexterior lighting delayed switch-off: the
exterior lighting remains lit for 60 seconds
after the engine is switched off. If you close all
the doors and the trunk lid, the exterior light-
ing goes off after 15 seconds.
Menus and submenus199
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
$(USA
only)
J( Canada
only)
Check Brake Fluid
Level
There is no tenough brak eflui din th ebrak efluid reservoir .
In addition ,th e$ (USAonly) or J(Canada only) warning lamp
lights up in th einstrumen tcluste rand awarning tone sounds.
GWARNIN G
The braking effec tmay be impaired.
There is aris kof an accident.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions. Do no tcontinu edrivin g
under any circumstances.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XConsult aqualified specialist workshop .
XDo notadd brak efluid .This does no tcorrec tth emalfunction .
#
CheckBrakePadWear
The brak epads/linings hav ereached their wear limit.
XVisit aqualified specialist workshop .
G
mbrace Inoperative
Oneor mor emain features of th embrace system are malfunctioning .
XVisitaqualified specialist workshop .
Collision Preven‐tionAssist Plu sCurrently Unavaila‐ble See Operator' sManual
COLLISION PREVENTION ASSIST PLU Sis temporarily no toperational.
Possibl ecauses are:
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
Rthesystem is outside th eoperating temperature range.
Rth eon-boar dvoltag eis to olow.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
COLLISION PREVENTION ASSIST PLU Sis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XRestart th eengine.
Collision Preven ‐tionAssist Plu sInoperative
COLLISION PREVENTION ASSIST PLU Sis temporarily inoperative due
to amalfunction .Adaptive Brake Assis tmay also hav efailed.
XVisit aqualified specialist workshop .
PRE-SAFE
Inoperative SeeOperator'sManual
Importan tfunction sof PRE-SAF E®havefailed. Al lother occupant
safet ysystems ,e.g. air bags ,remain available.
XVisit aqualified specialist workshop .
Display messages205
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
PRE-SAFE
FunctionsCurrentlyLimitedSee Opera‐tor's Manual
PRE ‑S AF E®PLU Sor PRE‑SAFE®Brake is temporarily inoperative.
Possibl ecauses are:
Rfunction is impaire ddue to heav yrain or snow.
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
Rthesystem is outside th eoperating temperature range.
Rth eon-boar dvoltag eis to olow.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
PRE ‑SAFE
®PLU Sand PRE ‑SAFE®Brake are operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XRestart th eengine.
PRE-SAFE
Functions Limite dSee Operator'sMan ‐ual
PRE ‑S AF E®PLU Sor PRE‑SAFE®Brake is unavailable due to amal-
function .BA SPLU Swit hCross-Traffic Assis tmay also hav efailed.
XVisit aqualified specialist workshop .
206Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
RadarSensorsDirtySee Operator' sMan ‐ual
At least on eof th efollowin gdrivin gsystems or drivin gsafet ysystems
is temporarily restricted or inoperative:
RCOLLISION PREVENTION ASSIST PLU S
RPRE-SAFE®Brake
RPRE-SAFE®PLUS
RActive Lan eKeepin gAssis t
RActive Blind Spot Assis t
RDISTRONICPLU Swit hSteering Assis tand Stop&Go Pilo t
If th eradar sensor system in fron tis dirty, Active Blind Spot Assis twill
no tperfor m acourse-correcting brak eapplication .
Possibl ecauses are:
Rth esensor sin th eradiato rtrim and/o rin th ebumpers are dirty
Rth efunction of th edrivin gsystem or drivin gsafet ysystem is
impaire ddue to heav yrain or snow
A warning tone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears. Al ldrivin gsystems or drivin gsafet ysystems are operative
again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XSwitchoff th eengine.
XClean th esensor sin th efollowin glocation s (Ypage 267):
Rin theradiato rtrim
Rin th efron tbumper
Rin th erear bumper, particularly in th emiddle of th erear bumper
XRestart th eengine.
The display message disappears.
A
MalfunctionServic eRequired
GRiskof injur y
Cabriolet :th erol lbars are defective.
XVisit aqualified specialist workshop immediately.
6
SRSMalfunctionSer ‐viceRequired
The restrain tsystem is faulty. The 6warning lamp also lights up in
th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
Observ eth eadditional information on restrain tsystems (
Ypage 40).
Display messages207
On-board computer and displays
Z

Engine
Display messagesPossible causes/consequences andMSolutions
+
CheckCoolantLevelSee Operator's Man‐ual
The coolant level is too low.
!Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
XAdd coolant, observing the warning notes before doing so
(Ypage 259).
XIf you need to add coolant more often than usual, have the engine
coolant system checked at a qualified specialist workshop.
?The fan motor is faulty.
XAt coolant temperatures below 248 ‡(120 †), drive to the nearest
qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic.
?
Coolant Too HotStop Vehicle TurnEngine Off
The coolant is too hot.
A warning tone also sounds.
GWARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to catch
fire.
Steam from the overheated engine can also cause serious burns which
can occur just by opening the hood.
There is a risk of injury.
XPull over and stop the vehicle safely and switch off the engine, pay- ing attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 144).
XWait until the engine has cooled down.
XMake sure that the air supply to the engine radiator is not blocked,e.g. by snow, slush or ice.
XDo not start the engine again until the display message goes out and
the coolant temperature is below 248 ‡ (120 †). Otherwise, the
engine could be damaged.
XPay attention to the coolant temperature display.
XIf the temperature increases again, visit a qualified specialist work-
shop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †).
212Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
#
See Operator'sMan ‐ual
The battery is no tbein gcharged.
A warning tone also sounds.
Possibl ecauses are:
Radefective alternato r
Ratorn poly-V-belt
Ramalfunction in th eelectronics
!Do no tcontinu edriving. The engin ecould otherwise overheat.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XConsult aqualified specialist workshop .
#
StopVehicl eSeeOperator' sManual
The battery is no longer bein gcharged and th ebattery charg elevel is
to olow.
A warning tone also sounds.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XObserv eth einstruction sin th e# See Operator' sManualdisplay message .
XConsultaqualified specialist workshop .
4
CheckEngineOilAtNextRefueling
The engin eoil level has dropped to th eminimum level.
A warning tone also sounds.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill oth-
erwise be damaged.
XChec kth eoil level when next refueling, at th elatest (Ypage 258).
XIf necessary, add engin eoil (Ypage 259).
XHav eth eengin echecke dat aqualified specialist workshop if you
need to add engin eoil mor eoften than usual.
Information on approve dengin eoils can be obtained from any quali-
fie dspecialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
8
Fue lLevel Low
The fuel level has dropped int oth ereserv erange.
XRefue lat th eneares tgas station .
Display messages213
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
The HOLD function is deactivated. Whenth ebrak epedal is firmly
depressed, an activation condition is no tfulfilled .
A warning tone also sounds.
XChec kth eactivation condition sfor th eHOLD function
(Ypage 162).
Lan eKeepin gAssistCurrently Unavaila‐ble See Operator' sManualorActive Lan eKeepingAssist Cur ‐rently UnavailableSee Operator' sMan ‐ual
LaneKeepin gAssis tor Active Lan eKeepin gAssis tis deactivated and
temporarily inoperative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibilit yis impaire ddue to heav yrain ,snow or fog .
Rthere havebeen no lan emarking sfor an extended period.
Rth elan emarking sare worn, dark or covered, e.g. by dir tor snow.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Lan eKeepin gAssis tor Active Lan eKeepin gAssis tis operational
again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XClean th ewindshield.
Lan eKeepin gAssistInoperativeorActiveLan eKeepin gAssistInoperative
LaneKeepin gAssis tor Active Lan eKeepin gAssis tis defective.
XVisit aqualified specialist workshop .
Blind SpotAssistCurrently Unavaila‐ble See Operator' sManualorActiveBlind Spo tAssistCurrently Unavaila‐ble See Operator' sManual
Blind Spot Assistor Active Blind Spot Assis tis temporarily inoperative.
Possibl ecauses are:
Rth eradar sensor system is outside th eoperating temperature
range.
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
The yellow 9indicator lamp salso ligh tup in th eexterio rmirrors.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Blind Spot Assis tor Active Blind Spot Assis tis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 144).
XRestart th eengine.
Display messages21 5
On-board computer and displays
Z