Alarm - Rear Backup
Details & Technology
When reverse gear is selected with the ignition switched on, an audible signal is activated.
If reverse gear is engaged twice within 4 to 5 seconds, the volume of the reversing warning
signal switches to the quieter setting. This procedure must be repeated every time a
reversing operation is to be performed with reduced signal volume.
The reversing warning system cannot be switched off. Switching off the ignition reactivates
the default setting. The horn for the reversing warning system is normally fitted on the inside
of the end cross-member.
A sticker stating "Engage reverse gear twice in quick succession to set the reversing beeper to
the quieter nighttime setting" is enclosed with the vehicle document wallet.
Benefits & Arguments
• Warns passers-by that a vehicle is reversing
An audible warning signal alerts passers-by that a vehicle is reversing.
Remarks
Choice of 2 signal volumes:
a) S
tandard volume 90 decibels
b) Nighttime volume max. 78 decibels and 68 decibels at a distance of 7.5 m [24.5ft]
©2015 Mercedes-Benz USA, LLC / Daimler Vans USA, LLC
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