radiator MERCEDES-BENZ E-CLASS SEDAN 2018 Owner's Manual

Function of ther adar senso rs
Some driving and driving safe ty systems use
ra dar sensor stomonitor thea reainf ront of,
behind or next tothev ehicle (depending on the
ve hicle's equipment).
Depending on thev ehicle's equipment, ther adar
sensors arei ntegrated behind theb umpers
and/or behind ther adiator grille. Keep these
parts free of dirt, ice and slush (
→pag e329).
The sensor smustn otbe co vered, fore xamp le
by bicycle rack s, ove rhanging loads or radar-
re flecting sticke rs.F ollowing an impact and in
th ee vent of associated damage ,whic hm aynot
be visible, totheb umper sorradiator grille, ha ve
th ef unction of ther adar sensors checkedata
qu alified specialis tworks hop. The driver assis‐
ta nce sy stem ma ynolonger workproperly.
Overvie wofdriving sy stems and driving
saf etys ystems
In this section, youw illfind informatio nabout
th ef ollowing driving sy stems and driving saf ety
sy stems:
R360° Camer a(→page185)
RABS ( Anti-lo ckBra king Sys tem)
(→pag e158)
RActiveD ista nce Assist DISTRONIC
(→pa ge 166)
RAIR BODY CONTROL (→pag e176)
RAc tiveB rake Assi st(→pag e160)
RActiveL aneK eeping Assis t(→page199)
RATTENTION ASSIS T(→page193)
RBAS(Brak eAssist System) (→pag e159)
REBD ( Electronic Brakeforc eDistribution)
(→pag e159)
RESP®(Electronic Stability Pro gram)
RHill StartA ssist
RHOL Dfunction (→pag e175)
RSTEER CONTROL (→page 160)
RAc tiveS teering Assis t(→page172)
RActiveP arking Assis t(→page188)
RParking Assis tPARKTRONIC (→page 179)
RRe ar vie wcamer a(→page183)
RCruise control (→pag e164)
RBlind Spo tAssis tand ActiveB lind Spo tAssist
(→pag e197)
RTraf ficS ign Assist (→page195)
Functions of ABS (Anti-loc kBrake System)
AB Sr egulates theb rake pressur eincritical driv‐
ing situations:
RDuring braking, e.g. at maximum full-s top
braking or insuf ficient traction of thet ires,
th ew heels ar epreve nted from blocking.
RVe hicle steerability while braking is ensured.
If ABS inter venes when braking, youw illfeel a
pulsing in theb rake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditionsa nd can serveas areminder totake
ex trac arew hile driving.
158
Driving and pa rking

Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
redc oolant warning lam pislit while thee ngine is running.
Po ssible causes are:RThe temp eratur esensor is malfunctioning
RCoolant le veltoo low
RThe air suppl ytotheradiator is obstructed
RThe radiator fani sd efecti ve
If th er eisana dditional warning tone, thec oolant temp eratur ehasexc eeded them aximum permissible temp erature.
&
WARNING Danger of burn swhen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or during afireint he engine compartment, youc ould come
int oc ontact wit hh otgases or other escaping operating fluids.
#Befor eopening theh ood, allo wthe engine tocool down.
#Inthee vent of afireint he engine compartment, keep theh ood closed and call thef ires ervice.
#Pull overand stop thev ehicle safely and switc hoffthee ngine, paying attention toroad and traf ficc onditions .Do
no tc ontinu edriving under an ycircums tances.
#Obser vethem essages in them ultifunction displa y.
If th ec oolant temp eratur edispla yisatt he lowerend of thet emperatur escale:
#Consult aqualified specialis tworks hop.
454
Displa ymessages and warning/indicator lamps