Warning and indicator lamps in switches, buttons and exterior mirrors
Problem
Possible causes/consequences and
X
X
Solutions
The seat ventilation*
has switched itself off
prematurely.
The on-board voltage is too low, because too many consumers are
switched on.
X
Switch off consumers that are not required, e. g. the reading
lamp or interior lighting.
The seat heating* has
switched itself off pre-
maturely.
The on-board voltage is too low, because too many consumers are
switched on.
X
Switch off consumers that are not required, e. g. the reading
lamp or interior lighting.
The cooling system
cannot be switched on
using COMAND.
Cooling has been deactivated due to a malfunction.
X
Visit a qualified specialist workshop.
The rear-window heat-
ing has switched off
prematurely or cannot
be switched on.
The on-board voltage is too low, because too many consumers are
switched on.
X
Switch off consumers that are not required, e. g. the reading
lamp or interior lighting.
Once the battery is sufficiently charged, the rear window heating
will switch back on automatically.
Vehicles with auto-
matic child seat recog-
nition on the front-
passenger seat*:
The
4
PASSENGER
AIRBAG OFF warning
lamp beside the instru-
ment cluster on the
right is lit.
A special Mercedes-Benz child seat with automatic child seat rec-
ognition has been fitted to the front-passenger seat. The front-
passenger airbag has therefore been disabled as desired.
G
Risk of injury
There is no child seat fitted to the front-passenger seat. The auto-
matic child seat recognition* is malfunctioning.
X
Remove electronic equipment from the front-passenger seat,
for example:
R
notebook
R
mobile phone
R
cards with transponders, e.g. ski passes or access passes
If the
4
PASSENGER AIRBAG OFF warning lamp is still lit:
X
Visit a qualified specialist workshop.
Troubleshooting
375
Practical
advice
* optional
221_AKB; 2; 3, en-GB
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Dateiname: 6515231002_buchblock.pdf; erzeugt am 03. Mar 2009 15:18:37; WK