2017 MERCEDES-BENZ E-Class SEDAN brake

#Tomount: positionhub cap 1and turn
unti litisc ompletelyf lush wit hthe wheel.
#Position soc ket2 on hubc ap1.
#Position wheel wrench 3on soc ket2 and
tighten theh ub cap clockwise.
Specified tightening torq ue: 18lb-ft
(25 Nm).
#Ra ise thev ehicle (→pag e335).
Raising thev ehicle when changing awheel
RequirementsRTher eareno persons in thev ehicle.
RThe vehicle is prepared foraw heelc hange
(→pag e334).
RThe hub caps ha vebeen remo ved
(→pag e334).
Impor tant no tesonu singthej ack:
ROnl yusethev ehicle-specific jac kthat has
been tested and appr ovedbyM ercedes-Benz
to raise thev ehicle.
RThe jac kisonlyd esigned forr aising and
holdingt hevehicle foras horttime while a whee
lisbeing changed and no tfor mainte‐
nance workunder thev ehicle.
RThe jac kmustbep laced on afirm, flat and
non-slip sur face. If necessar y,use alarge ,
load-bearing, non-slip underla y.
RThe base ofthej ackm ustbep ositioned ver‐
tically under thej acks uppor tpoint.
Rules of conduct when thev ehicle is raised:
RNe verp lace your hands or feet under the
ve hicle.
RDo no tlie under thev ehicle.
RDo no tstar tthe engine and do no trelease
th ep arking brake.
RDo no topen or close an ydoor sort he trunk
lid.
#Using thew heel wrench, loosen thew heel
bolts on thew heel youw ish tochang eby
about onef ull turn. Do no tunscr ewtheb olts
comple tely.
Wheels and tires 335

Displaymessages
Possible causes/consequences and MSolutions
$(USA
only)
J(Can‐
ada only)
Check Brake Fluid Level *T
her eisn otenough brak efluid in theb rake fluid reser voir.
&
WARNING Risk of an accident duetol owbrak efluid le vel
If th eb rake fluid leve list 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 tadd brak efluid.
#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 tadd brak efluid.
#
Check Brake Pad Wear *T
he brak elinings ha vereached their wear limit.
#Consult aqualified specialis tworks hop.
358
Displa ymessages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
Radar Sensors Dirt ySee
Operator' sManual *T
heradar sensor sy stem is malfunctioning. Possible causes are:
Rsoiling of thes ensors
Rheavy rain
Rex tende ddriving on inter-urba nroads without moving traf fic, e.g. in thed esert
Driving sy stems and driving saf etys ystems ma ybem alfunctioning or temp oraril yunavailable.
When thec auses no longer appl y,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.
#Cleana llsensors .
#Restar tt he engine.
Active Brake Assist Func-
tions Currently Limited See
Operator's Manual *
Ac tiveB rake Assi stwit hc ross-traf ficf unction, Evasi veSteering Assis torPRE‑SAFE
®PLUS is temp oraril yunavaila‐
ble or onl ypartiall yavailable.
The ambient conditionsa reoutside thes ysteml imits (
→pag e152).
#Driv eon.
As soo nasthe ambient conditions ar ewithin thes ystem limits, thes ystems will be 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 359

Displaymessages
Possible causes/consequences and MSolutions
Active Brake Assist Func-
tions Limited See Opera-
tor's Manual *
Ac tiveB rake Assi stwit hc ross-traf ficf unction, Evasi veSteering Assis torPRE‑SAFE
®PLUS is malfunctioning.
#Visit aq ualified specialis tworks hop.
Active Brake Assist Func-
tions Currently Limited See
Operator's Manual *A
ctiv eBrake Assist istemp oraril yunavailable.
The ambientc onditionsareoutside thes ysteml imits .
#Driv eon.
As soon as thea mbient conditions ar ewithin thes ystem limits, thes ystemw ill become available again.
#Ifth ed ispla ymessag edoes no tdisappear ,pull ove rand stop thev ehicle safel y,paying attention toroad and
traf ficc onditions and restar tt he engine.
Active Brake Assist Func-
tions Limited See Opera-
tor's Manual *A
ctiveBrake Assist is malfunctioning.
#Visit aq ualified specialis tworks hop.
PRE-SAFE Impulse Side
Inoperative See Operator's
Manual *
PRE-SAFE
®Impulse Side is malfunctioning or inoperativ eafter having already been triggered.
#Vi sit aq ualified specialis tworks hop.
PRE-SAFE Inoperative See
Operator's Manual *
PRE‑SAFE
®functions ar emalfunctioning.
#Consult aqualified specialis tworks hop.
360
Displa ymessages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
F(USA
only)
!(Can‐
ada only)
Turn On the Ignition to
Release the Parking Brake *
The redF (USAonly) or !(Canada only) indicator lam pislit.
Yo uh ave attem ptedtor elease thee lectric parking brak ewitht he ignition is switched.
#Switc hont he ignition.
F(USAonly
)
!(Can‐
ada only)
Please Release Parking
Brake *
The redF (USAonly) or !(Canada only) indicator lam pflashes.
The electric parkin gbrake is applied while driving:
RAc ondition fora utom aticrelease of thee lectric parking brak eisnotfulfilled .
RYoua reper form ing emer gency braking using thee lectric parking brak e.
#Checkthat thec onditions fora utom aticrelease of thee lectric parking brak earefulfilled.
#Release thee lectric parking brak emanually.
Displa ymessages and warning/indicator lamps 361

Displaymessages
Possible causes/consequences and MSolutions
F(USA
only)
!(Can‐
ada only)
Parking Brake See Opera-
tor's Manual *
The yellow ! indicator lam pislit. The elect ricp arkin gb rake is malfunctioning.
To appl y:
#Switc hoffthei gnition and tur nitbacko n.
#Appl ythe electric parking brak emanually .
If it is no tpossible toengag ethe electric parking brake:
#Visit aq ualified specialis tworks hop.
#Wher enecessar y,also safeguar dthe par kedv ehicle agains trolling away.
The yellow ! indicator lam pand ther ed F (USAonly) or !(Canada only) indicator lam parelit. The elec‐
tric parkin gbrake is malfunctioning.
To release:
#Swit chofft he ignition and tur nitbacko n.
#Release thee lectric parking brak emanually .
or
#Re lease thee lectric parking brak eautomaticall 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.
The yellow ! indicator lam pislit and ther ed F (USAonly) or !(Canada only) indicator lam pisflashing.
The electric parkin gbrake is malfunctioning.
The electric parkin gbrake coul dnotbe applied or released.
362
Displa ymessages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
If yo udon otwish thee lectric parking brak etobeapplied, lea vethei gnition switched on, e.g. when washing the
ve hicle in an automatic car wash or when having thev ehicle towe da way.Do no tdothis when having thev ehicle
to we dw itht he rear axle raised.
If th ee lectric parking brak eisnotapplied automatically:
#Switc hoffthei gnition and tur nitbacko n.
#Release and then apply thee lectric parking brak emanuall y.
If it is still no tpossible toappl ythe electric parking brake:
#Visit aq ualified 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.
364
Displa ymessages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
Â
Replace Key Battery*T
he SmartK eybatter yisdischar ged.
#Chang ethe batter y.
Â
ObtainaNew Key *T
he SmartK eyneeds tobe replaced.
#Consult aqualified specialis tworks hop.
Ve hicle
Displa ymessages
Possible causes/consequences and MSolutions
Apply Brake to Shift from
'P' *
Yo uh ave attem ptedtos hiftthe transmission out of position jand int oanother transmission position.
#Depress theb rake pedal.
To Deselec tPorN,
Depress Brakea nd Start
Engine *
Yo uh ave attem ptedtos hiftthe transmission out of position jori intoa nother transmission position.
#Depress theb rake pedal.
#Startt he engine.
Displa ymessages and warning/indicator lamps 387