Mercedes-Benz GLC : Vehicle electronics / Frequency band and maximum transmission output

The following can be used in the vehicle without
restrictions:
- Two-way radios with a maximum transmission
output of up to 100 mW
- RF transmitters with transmitter frequencies
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to 2 W
(TETRA)
- Mobile phones (2G/3G/4G)
There are no restrictions when positioning the
antenna on the outside of the vehicle for the following
frequency bands:
- Terrestrial Trunked Radio (TETRA)
- 70 cm frequency band
- 2G/3G/4G
Notes on installing two-way radios
WARNING Risk of accident due to
improper work on two-way radios
If two-way radios are manipulated or retrofitted
incorrectly, the electromagnetic radiation
from the two-way radios can interfere with
the vehicle electronics and jeopardize the
operating safety of the vehicle...
Manufacturer information about wireless vehicle
components can be found using the key phrase
"Radio operating permits" in the Digital Operator's
Manual in the vehicle, on the Internet and
in the app...
Other information:
WARNING Risk of injury or death due to
poorly secured objects
The cargo compartment cover alone cannot
secure or restrain heavy objects, items of
luggage or heavy loads.
You could be hit by an unsecured load, particularly
in the event of abrupt changes in
direction, sudden braking or an accident...
WARNING Risk of accident and injury
due to animals left unsecured or unattended
in the vehicle
If you leave animals in the vehicle unattended
or unsecured, they could possibly press
buttons or switches.
An animal may:
Activate vehicle equipment and become
trapped, for example
Switch systems on or off and endanger
other road users
Unsecured animals may be thrown around in
the vehicle in the event of an accident or
sudden steering and braking maneuvers and
injure vehicle occupants in the process...