Page 577 of 697
All models (vehi‐
cles without
AMG
Styling) 1 1
Front 2
2Rear
Ve hicles with
st eel suspen‐
sion* 25°
24 °
Ve hicles with
AIRMATIC*
Normal le vel2 5°24 °
Ra ised le vel2 9°27° All models (vehi‐
cles with AMG
Styl
ing) 1 1
Front 2
2Rear
Ve hicles with
st eel suspen‐
sion* 21
°2 2°
Ve hicles with
AIRMATIC*
Normal le vel2 1°21 °
Ra ised le vel2 4°24 ° *Depending on
the tyre size
Maximum gradient climbing ability
The vehicle's gradient climbing ability depends
on thewe ight distribution in theve hicle, thete r‐
ra in conditions and thero ad sur face conditions.
The specified value applies in thefo llowing
cases:
R theve hicle is ready todrive – fuel tank full,
all fluids topped up, driver in theve hicle R
thero ad sur face conditions and thus traction
are good
A gradient climbing ability of 100% cor responds
to an incline of 45°.
Obse rveth e no tes on driving in mountainous ter‐
ra in (/ page186). Mo
del Maximumgra‐
dient climbing ability
All models 80% Tr
ailer hitch Gene
ral no tes on the trailer hit ch Modifications
tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. 574
Tech nical da ta
Page 588 of 697
Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page215).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop.
J Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Pull over and stop theve hicle safely as soon as possible in accordance with the tra ffic conditions. Do not con‐
tinue driving under any circums tances. #
Do not top up the brake fluid. Display messages and
warning/indicator lamps 585
Page 591 of 697
Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag has been disabled although an adult or a person with an adult stature is on the front
passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Check thest atus of the automatic front passenger airbag deactivation sy stem (/ page47). #
If necessar y,consult a qualified specialist workshop immediatel y.
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. 588
Display messages and warning/indicator lamps
Page 592 of 697
Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of inju ryor fata l injury if a child restra int sy stem is used while the front passenger front
airbag is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theeve nt of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE AIRB AGin front of it, DE ATH or
SERIOUS INJU RYtotheCH ILD can occur. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Check thest atus of the automatic front passenger airbag actuation (/ page47). #
If necessar y,consult a qualified specialist workshop immediatel y.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance Package: Active Brake Assi stistemp orarily una vailable or only partially
av ailable.
The ambient conditions are outside the sy stem limits (/ page 224). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. Display messages and
warning/indicator lamps 589
Page 608 of 697
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Possible causes/consequences and M
MSolutions
? Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not impaired. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
? *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. *Y
ou ha vepressed thest art/ stop button while driving. #
Toswitch off the engine while driving, see (/ page180). Displ
aymessa ges and warning/indicator lamps 605
Page 612 of 697
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Possible causes/consequences and M
MSolutions
8 Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel.
!
Clean the fuel filter *
Ve hicles with diesel engines: the fuel filter is dirty or thewate r inthe fuel filter needs tobe drained. #
Consult a qualified specialist workshop.
¸ Replace air cleaner *
Ve hicles with diesel engines: the engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
Drive system Malfunction
Visit workshop *T
he drive sy stem is malfunctioning. #
Consult a qualified specialist workshop.
Drive system Malfunction
Stop Switch engine off *T
he drive sy stem is malfunctioning. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 609
Page 620 of 697
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Possible causes/consequences and M
MSolutions
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toneutral iautomatically. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Depress the brake pedal. #
Enga gepark position j. #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Untilthen, manually select transmission position jbefore you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake. Display messages and
warning/indicator lamps 617
Page 622 of 697
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Possible causes/consequences and M
MSolutions
h Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. Nopressure value is displa yedfo rthe
af fected tyre. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
h Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure (/ page 535) andthe tyres. Display messages and
warning/indicator lamps 619
