engine overheat MERCEDES-BENZ GLE SUV HYBRID 2017 W166 Owner's Manual

Coolant temperature gauge
GWARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
!A display message is shown if the coolant
temperature is too high.
If the coolant temperature is over 248 ‡
(120 †), do not continue driving. The engine
will otherwise be damaged.
The multifunction display shows the coolant
temperature in the Coolant
submenu.
Under normal operating conditions and with the
specified coolant level, the coolant temperature
may rise to 248 ‡ (120 †).
Multifunction display
:Permanent display: outside temperature or
speed (Ypage 44)
;Time
=Text field
?Menu bar
ADrive program
BTransmission position
Additional displays in the multifunction dis-
play:
Rõ Vehicle operational (Ypage 22)
RñOperating mode, other operating mode
displays (Ypage 21)
Rè Electric range (Ypage 9)
Menus and submenus
Menu overview
Press the =or; button on the steering
wheel to call up the menu bar and select a menu.
Operating the on-board computer (see the vehi- cle Operator's Manual).
The following menus have been added to or
changed in order to include displays and set-
tings for hybrid operation:
RTripmenu (Ypage 40)
-Energy flow display
-Displaying the current fuel consumption
-Displaying the total range and electrical
range
-Trip computer "From Start" or "From Reset"
RServicemenu
-Displaying the coolant temperature
(Ypage 39)
RSettingsmenu (Ypage 43)
-Hybridsubmenu for setting the maximum
charge current and departure time for pre-
entry climate control or the charging proc-
ess (
Ypage 43). In addition, the charging
prediction for the current charging process
is displayed.
-InstrumentClustersubmenu for select-
ing the outside temperature or speed as the
permanent display in the multifunction dis-
play (
Ypage 44).
Menus and submenus39
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
6
TankVentilationMalfunctionServic eRequired
The fuel system is malfunctioning .
XVisitaqualified specialist workshop .
ã
Acoustic VehicleIndicationInopera‐tiv e
The soun dgenerator is no tworking .The vehicl ecan still be driven ;
however ,no vehicl esounds can be generated. As aresult ,your vehicl e
may no tbe hear dby other roa duser suntil it is ver yclose to them, or
it may no tbe hear dat all.
XDrive wit hparticular care, allowing for th epossibilit ythat other roa d
user smay behave unpredictably.
XVisit aqualified specialist workshop .
Engine
Display messagesPossible causes/consequences and MSolutions
#
See Operator'sMan ‐ual
The battery is no tbein gcharged.
A warning tone also sounds.
Possibl ecauses are:
Radefective alternato r
Rfaultypowe relectronics
Ra torn poly-V-belt
Ramalfunction in th eelectronics
!Do no tcontinu edriving. The engin ecould otherwise overheat.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSafeguar dth evehicl eagainst rollin gaway (see th evehicl eOpera-
tor' sManual).
XConsult aqualified specialist workshop .
Display messages47
On-board computer and displays
Z