radiator cap MERCEDES-BENZ E-Class SEDAN 2017 W213 Owner's Manual

Warning/indicator lamp
Possible causes/consequences and MSolutions
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Coolantwarning lamp The
redc oolant warning lam pislit while thee ngine is running.
Po ssible causes are:RThe temp eratur esensor is malfunctioning
RThe coolant le velist oo low
RThe air supply tother adiator is obstructed
RThe radiator fani sfaulty
If th er eisana dditional warning tone, thec oolant temp eratur ehasexc eeded 248°F( 120° C).
&
WARNING Danger of burn swhen opening thee ngine hood
If yo uo pen thee ngine hood when thee ngine has overheated or during afireint he engine compartment, youc ould
come int ocontact wit hh otgases or other escaping operating fluids.
#Befor eopening thee ngine hood, allo wthe engine tocool down.
#Inthee vent of afireint he engine compartment, keep thee ngine hood 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.
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Displa ymessages and warning/indicator lamps