Mercedes-Benz GLE Operator's Manual page 267

Starting the Voice Control System Press rocker switch 1 up.
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or
Say "Hey Mercedes".
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Overview of the MBUX Interior Assistant
& WARNING Risk of injury due to laser
beams from the camera
This product uses a class 1 laser system If
the housing is opened or damaged, invisible
laser beams could damage your retina.
Do not open the housing.
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Always have maintenance work and
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repairs carried out by a qualified spe‐
cialist workshop.
MBUX multimedia system 265
This product complies with the requirements of
the FDA 21 CFR 1040.10 and 1040.11 with
exception of the variations according to the FDA
Laser Notice No. 50 from 24. June 2007.
The camera is located in the overhead control
panel.
If the vehicle is equipped with the MBUX Interior
Assistant, selected functions of the multimedia
system can be operated contact-free. The MBUX
Interior Assistant can differentiate between
driver and front passenger interactions and
detects specific hand positions (poses).
For further information on system limits, display
messages and troubleshooting notes, see the
Digital Operator's Manual.