Mercedes-Benz M-Class Owner's Manual page 313

Features
310
If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
Turn the key to position 1 in the ignition
X
lock.
i
An emergency cut-off ensures that the on-
board voltage does not drop too low. If the
on-board voltage is too low, the power to
the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine.
Socket in the front centre console
! The socket is not intended for operating
the tyre inflation compressor.
To open: slide cover : to its foremost
X
position.
Lift up the cover of socket ;.
X
To close: pull cover : back as far as it will
X
go.
Socket in the rear-compartment centre
console
Lift up the cover of socket :.
X
On vehicles with the Rear Seat Entertainment
System, there are two sockets in the rear-
compartment centre console.
Socket in the luggage compartment
Lift up the cover of socket :.
X
Mobile phone
Important notes
G WARNING
Observe the legal requirements of the country
in which you are currently driving regarding
operating mobile communications equipment
in a vehicle.
If it is permitted by law to operate communi-
cations equipment while the vehicle is in
motion, you must only do so if the traffic sit-
uation permits. Otherwise, you could be dis-
tracted from the traffic conditions, cause an
accident and injure yourself and others.
Two-way radios and fax equipment used with-
out low-reflection exterior aerials can inter-
fere with the vehicle's electronics and thereby
jeopardise the operating safety of the vehicle
and your safety. Therefore, you must only use
this equipment if it is correctly connected to
a separate reflection-free exterior aerial.
G WARNING
Excessive levels of electromagnetic radiation
may cause damage to your health and the