Mercedes-Benz C-Class 2014 Owner's Manual page 387

Features
384
Problems with the 230 V power socket
Problem
The warning lamp on
the 230 V power socket
is not lit.
Mercedes-Benz emergency call sys-
tem
Information on these requirements can be
found in the separate COMAND Online oper-
ating instructions.
Possible causes/consequences and M M Solutions
The on-board voltage is too low because the battery is too weak.
Start the engine.
X
or
Charge the battery (
X
If the indicator lamp still does not light up:
Visit a qualified specialist workshop.
X
The temperature of the DC/AC converter is temporarily too high.
Remove the electronic device connector from the 230 V socket.
X
Let the DC/AC converter cool down.
X
If the indicator lamp still does not light up after the converter cools
down:
Visit a qualified specialist workshop.
X
You have connected an electronic device that has a constant
nominal power of less than 150 watts, but has a very high switch-
on current. This device will not work. If you connect such a device,
the 230 V power socket will not supply it with power.
Connect a suitable electronic device.
X
page 416).
Y
To open: press cover : briefly.
X
To make an emergency call: press SOS
X
button ; briefly.
The indicator lamp in SOS button ;
flashes until the emergency call is conclu-
ded.
Wait for a voice connection to the
X
Mercedes-Benz emergency call centre.
After the emergency call, close cover :.
X
You will see a message if:
a connection to the Mercedes-Benz
R
emergency call centre cannot be made
a call has not been automatically forwar-
R
ded to the public emergency call centre
In this case, dial the 112 emergency num-
ber on your mobile phone.
You can find more information on the
Mercedes-Benz emergency call system in the