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Display messages
Possible causes/consequences and
M
M
Solutions
&
Pre-entry climate
Pre-entry climate
control (via key)
control (via key)
available again
available again
after engine start
after engine start
Hybrid vehicles: with the engine switched off, you have attempted
to switch on the pre-entry climate control more than twice.
X
Let the engine run for ten seconds.
After running the engine, the pre-entry climate control is opera-
tional again.
&
Pre-entry climate
Pre-entry climate
control (via key)
control (via key)
inoperative
inoperative HV
HV bat‐
bat‐
tery low
tery low
Hybrid vehicles: the on-board voltage is too low.
The pre-entry climate control cannot be switched on.
X
Drive for a considerable distance.
The battery charges. The pre-entry climate control is operational
again as soon as the on-board electrical system voltage is suf-
ficient.
&
Function
Function available
available
again
again after
after engine
engine
start
start
Vehicles with BlueEFFICIENCY package: you have attempted to
switch on the pre-entry climate control (eHeat/eVent) more than
3 times with the engine switched off.
X
Let the engine run for ten seconds.
After running the engine, the pre-entry climate control is opera-
tional again.
&
inoperative Bat‐
inoperative Bat‐
tery low
tery low
The on-board voltage is too low.
The auxiliary heating (
Y
page 172) has switched itself off. The
auxiliary heating or pre-entry climate control (eHeat/eVent) can-
not be switched on.
X
Drive for a considerable distance.
The battery charges. The auxiliary heating or the auxiliary cli-
mate control ("eHeat/eVent" function) is operational again as
soon as the on-board electrical system voltage is sufficient.
&
inoperative
inoperative Refuel
Refuel
vehicle
vehicle
There is too little fuel in the fuel tank. The auxiliary heating cannot
be switched on (
Y
page 172).
X
Refuel at the nearest filling station.
&
inoperative See
inoperative See
Owner's Man.
Owner's Man.
The auxiliary heating is temporarily malfunctioning or faulty.
X
When the vehicle is on a level surface and the engine has cooled
down, make up to four attempts to switch on the auxiliary heat-
ing, waiting several minutes between each attempt
(
Y
page 172).
X
If the auxiliary heating does not switch on, consult a qualified
specialist workshop.
348
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Summary of Contents for C-Class
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Page 370: ...Useful information 368 Stowage areas 368 Features 376 367 Stowing and features ...
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