Page 477 of 585

Displa
ymessages
Possible causes/consequences and M
MSolutions
If th ee lectric parking brak eshould no tbeapplied, e.g. when washing thev ehicle in an automatic car wash or when
having thev ehicle towe d, lea vethei gnition switched on. Do no tdothis when having thev ehicle towe dw itht he
re ar axle raised.
If th ee lectric parking brak eisnotapplied automatically: #
Switc hoffthei gnition and switc hitbacko n. #
Release and then apply thee lectric parking brak emanuall y.
If it is still no tpossible toappl ythe electric parking brake: #
Consult aqualified specialis tworks hop. #
Wher enecessar y,also safeguar dthe par kedv ehicle agains trolling away.
To release: #
Ifth ec onditions fora utom aticrelease ar efulfilled and thee lectric parking brak eisnotreleased automaticall y,
re lease thee lectric parking brak emanuall y.
If it is still no tpossible torelease thee lectric parking brake: #
Do no tcontinue driving under an ycircums tances. Consult aqualified specialis tworks hop. 474
Displaymessa gesa nd warning/indicator lamps
Page 478 of 585

Displa
ymessages
Possible causes/consequences and M
MSolutions
J Check brake fluid level *T
her eisi nsufficient brak efluid in theb rake fluid reser voir. &
WARNING Risk of an accident du etolowbrak efluid le vel
If th eb rake fluid le velist oo lo w,theb raking ef fect and theb raking characteristic smaybe impaired. #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
Do no tcontinu edriving under an ycircums tances. #
Consult aqualified specialis tworks hop.
Do no ttop up theb rake fluid. #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances. #
Consult aqualified specialis tworks hop.
Do no ttop up theb rake fluid.
#
Chec kbrak epad wear *T
he brak epads ha vereached thew ear limit. #
Consult aqualified specialis tworks hop.
G Inoperative *A
tlea st one of them ain function softhe Mercedes me connect sy stem is malfunctioning. #
Consult aqualified specialis tworks hop. Displa
ymessages and warning/indicator lamps 475
Page 479 of 585
Displa
ymessages
Possible causes/consequences and M
MSolutions
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of thes ensors
R heavy rain
R extende dcountr ydriving wi thout other traf fic, e.g. in thed esert
Driving sy stems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
Onc ethe cause of thep roblem is no longer present ,driving sy stems and driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear: #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions. #
Clea nallsenso rs . #
Restar tt he engine. 476
Displaymessa gesa nd warning/indicator lamps
Page 480 of 585

Displa
ymessages
Possible causes/consequences and M
MSolutions
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of thes ensors
R heavy rain
R extende dcountr ydriving wi thout moving traf fic, e.g. in thed esert
Driving sy stems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
Onc ethe cause of thep roblem is no longer present ,driving sy stems and driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear: #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions. #
Clea nallsenso rs . #
Restar tt he engine.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with theD riving Assistance Package: ActiveB rake Assi stwit hc ross-traf ficf unction, Evasi veSteering
Assis torP RE‑SAFE ®
PLUS ar etemporarily una vailable or onl ypartiall yavailable.
Ve hicles without theD riving Assistance pa ckage: ActiveB rake Assi stistemp orarily una vailable.
The ambien tcondition sareoutside thes ystem border s. #
Driv eon.
As soon as thea mbient conditions ar ewithin thes ystem borders, thes ystemw ill become available again. #
Ifth ed ispla ymessag edoes no tdisappear ,stopt he vehicle while paying attention toroad and traf ficc onditions
and restar tt he engine. Displa
ymessages and warning/indicator lamps 477
Page 481 of 585
Displa
ymessages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with Drivin gAssistanc ePacka ge: ActiveB rake Assi stwit hc ross-traf ficf unction, Evasi veSteering
Assis torP RE‑SAFE ®
PLUS is malfunctioning.
Ve hicles without Drivin gAssistanc ePacka ge: ActiveB rake Assi stis malfunctioning. #
Consult aqualified specialis tworks hop.
PRE-SAFE inoperative See
Owner's Manual *
PRE‑SAFE ®
functions ar emalfunctioning. #
Consult aqualified specialis tworks hop.
PRE-SAFE impulse side
inoperative See Owner's
Manual *
PRE-SAFE ®
Impulse Side is malfunctioning or inoperativ eafter having already been triggered. #
Consult aqualified specialis tworks hop. 478
Displaymessa gesa nd warning/indicator lamps
Page 482 of 585
Displa
ymessages
Possible causes/consequences and M
MSolutions
6 Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty . &
WARNING Risk of inju ryor fata linjur ydue toam alfunctio nintherestra int sy stem
If th er estraint sy stem is malfunctioning, restra int sy stem components ma ybetriggered unintentionally or
might no tbetriggered at all in thee vent of an accident. Thi smayaffect thes eat belt tensioner or airbag, for
ex ample. #
Have ther estraint sy stem checkeda nd repaired immediately at aqualified specialis tworks hop. De
tection of arestraint sy stem malfunction:
R the 6 restra int sy stem warning lam pdoes no tlight up when thei gnition is switched on.
R the 6 restra int sy stem warning lam plight supc ontinuousl yorrepeatedl yduring ajourne y. #
Consult aqualified specialis tworks hop immediatel y. Displ
aymessa gesa nd warning/indicator lamps 47 9
Page 483 of 585

Displa
ymessages
Possible causes/consequences and M
MSolutions
6 Fron tleft malfunction Con-
sult workshop (exa mp le) *T
he cor responding restra int sy stem is malfunctioning . &
WARNING Risk of inju ryor fata linjur ydue toam alfunctio nintherestra int sy stem
If th er estraint sy stem is malfunctioning, restra int sy stem components ma ybetriggered unintentionally or
might no tbetriggered at all in thee vent of an accident. Thi smayaffect thes eat belt tensioner or airbag, for
ex ample. #
Have ther estraint sy stem checkeda nd repaired immediately at aqualified specialis tworks hop. De
tection of arestraint sy stem malfunction:
R the 6 restra int sy stem warning lam pdoes no tlight up when thei gnition is switched on.
R the 6 restra int sy stem warning lam plight supc ontinuousl yorrepeatedl yduring ajourne y. #
Consult aqualified specialis tworks hop immediatel y.
6
Left windowbag malfunc-
tion Consul twork-
shop (exa mp le) *T
he cor responding windowbag is malfunctioning . &
WARNING Risk of inju ryor fata linjur ydue toam alfunctio ninthe windo wairbag
The windo wairbag might be triggered unintentionally or might no tbetriggered at all in thee vent of an accident
wi th high deceleration. #
Have thew indo wairbag checkeda nd repaired immediately at aqualified specialis tworks hop. #
Consult aqualified specialis tworks hop immediatel y.480
Displa ymessages and warning/indicator lamps
Page 484 of 585

Displa
ymessages
Possible causes/consequences and M
MSolutions
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag is disabled, eventhough an adult or aperson wit habuild cor responding tothat of an
adult is seated on thef ront passenger seat. If additional forc es ar eapplied tothes eat, thew eight thes ystem
de tects ma ybetoo low. &
WARNING ‑Riskofi njuryor eve nfatal injur ywhen thef ront passenger airbag is disabled
If th ef ront passenger airbag is disabled, It will no tbedeployedint heeve nt of an accident and canno tperform
its intended pr otectiv efunction.
Ap erson in thef ront passenger seat could then, fore xamp le, com eintoc ontact wi th thevehicle interior ,espe‐
cially if thep erson is sitting tooc lose tothed ashboard. #
Beawareoft hestatus of thef ront passenger airbag bo thbefor eand during thej ourne y. #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions. #
Chec kthe status of thea utomatic front passenger airbag shutof f. #
If necessar y,consult aqualified specialis tworks hop immediatel y. Displ
aymessa gesa nd warning/indicator lamps 481