Display messagesPossible causes/consequences andMSolutions
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StopVehicl eSee
Operator' sManual
The battery is no longer bein gcharged and th ebattery charg elevel
is to olow.
A warnin gtone also sounds.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 171).
XObserv eth einstruction sin th edisplay message #See
Operator' sManual.
XConsult aqualified specialist workshop .
4
Check Engine Oil
At NextRefueling
The engin eoil level has dropped to th eminimum level.
A warnin gtone also sounds.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 537).
XIf necessary, add engin eoil (Ypage 538).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
4
Check Engine Oil
Level(Ad d1quart)
Mercedes-AMG vehicles: th eengin eoil level is to olow.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 537).
XIf necessary, add engin eoil (Ypage 538).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
Display messages25 7
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
4
Engine Oil Level
StopVehicl eTur n
Engine Off
Mercedes-AMG vehicles: th eengin eoil level is to olow.
There is aris kof engin edamage.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 171).
XCheckth eengin eoil level (Ypage 537).
XIf necessary, add engin eoil (Ypage 538).
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Fue lLevel Low
The fuel level has dropped into th ereserv erange.
XRefuel at th eneares tgas station .
CThere is only aver ysmall amount of fue lin th efuel tank.
XRefuel at th eneares tgas station without fail .
8
Gas Cap Loose
The fuel system pressur eis to olow. The fuel filler cap is no tclosed
correctl yor th efue lsystem is leaking.
XChec kthat th efuel filler cap is correctl yclosed .
If th efuel filler cap is not correctl yclosed :
XCloseth efuel filler cap .
If th efuel filler cap is correctl yclosed :
XVisitaqualified specialist workshop .
Driving systems
Display messagesPossible causes/consequences and MSolutions
ABC MalfunctionThe Active Body Control (ABC) function is restricted.
GWARNING
The vehicle's suspensio nsetting smay be affected.
There is aris kof an accident.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XVisit aqualified specialist workshop .
ABC Malfunction
StopVehicl e
The Active Body Control (ABC) vehicl elevel is to olow.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
Afte r afew seconds, th evehicl elevel is adjusted and th edisplay
message disappears.
258Display messages
On-board computer and displays
XReplacecap :on th efiller neck and tur n
clockwise .
Ensur ethat th ecap locks into plac e
securely.
XChec kth eoil level again wit hth eoil dip-
stick (
Ypage 537).
Further information on engin eoil
(
Ypage 605).
Checking and addin gother service
products
Checking coolant level
GWARNIN G
Certain component sin th eengin ecompart-
ment, suc has th eengine, radiato rand part s
of th eexhaust system, can become ver yhot .
Working in th eengin ecompartmen tposes a
ris kof injury.
Where possible, let th eengin ecool down and
touch only th ecomponent sdescribed in th e
following.
GWARNIN G
The engin ecoolin gsystem is pressurized, par-
ticularly when th eengin eis warm .Whe n
openin gth ecap ,you could be scalded by hot
coolan tsprayin gout .There is aris kof injury.
Let th eengin ecool down before openin gth e
cap .Wear eye and han dprotection when
openin gth ecap .Ope nth ecap slowly half a
tur nto allow pressur eto escape.
Exampl e
XPark thevehicl eon alevel surface.
Only chec kth ecoolan tlevel when th evehi-
cle is on alevel surfac eand th eengin ehas
cooled down .
XTurn theSmartKey to position 2in th eigni-
tion loc k (
Ypage 151).
On vehicles wit hKEYLESS-GO ,press th e
Start/Sto pbutto ntwice (
Ypage 152).
XCheckth ecoolan ttemperature gauge in
th emultifunction display.
The coolan ttemperature mus tbe belo w
15 8 ‡ (70 †).
XTurn th eSmartKey to position
0 (
Ypage 151) in th eignition lock.
XSlowly tur ncap ;half atur ncounter-
clockwise to allow excess pressur eto
escape.
XTurn cap ;further counter-clockwise and
remove it .
If th ecoolan tis at th elevel of marke rbar =
in th efiller neck when cold, there is enough
coolan tin coolan texpansion tan k:.
If th ecoolan tlevel is approximately 0. 6in
(1.5 cm ) above marker bar =in the fuel
filler neck when warm, there is enough
coolant in expansion tank :.
XIf necessary, add coolant that has been tes-
ted and approved by Mercedes-Benz.
XReplace cap;and turn it clockwise as far
as it will go.
For further information on coolant, see
(
Ypage 606).
Windshield washer system
GWARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool downand
touch only the components describe d in the
foll owin g.
Engine compartment539
Maintenance and care
Z
GWARNING
Windshield washer concentrate could ignite if it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
Example
XTo open: pull cap:upwards by the tab.
XAdd the premixed washer fluid.
XTo close: press cap :onto the filler neck
until it engages.
If the washer fluid level drops below the rec-
ommended minimum of 1 liter, a message
appears in the multifunction display prompt-
ing you to add washer fluid (
Ypage 268).
Further information on windshield washer
fluid/antifreeze (
Ypage 607).
ASSYST PLUS
Service messages
The ASSYST PLUS service interval display
informs you of the next service due date.
Information on the type of service and service
intervals (see the separate Maintenance
Booklet).
You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (USA only).
iThe ASSYST PLUS service interval display
does not show any information on the engine oil level. Observe the notes on the
engine oil level (
Ypage 537).
The multifunction display shows a service
message for several seconds, e.g.:
RService A in .. Days
RService A Due
RService A Exceeded by .. Days
Depending on the operating conditions of the
vehicle, the remaining time or distance until
the next service due date is displayed.
The letter A
orB, possibly in connection with a
number or another letter, shows the type of
service. A
stands for a minor service and Bfor
a major service.
You can obtain further information from an
authorized Mercedes-Benz Center.
The ASSYST PLUS service interval display
does not take into account any periods of
time during which the battery is disconnec-
ted.
Maintaining the time-dependent service
schedule:
XNote down the service due date displayed
in the multifunction display before discon-
necting the battery.
or
XAfter reconnecting the battery, subtract
the battery disconnection periods from the service date shown on the display.
Hiding a service message
XPress the aor% button on the steer-
ing wheel.
540ASSYST PLUS
Maintenance and care