Crux VRFMB-78A User Manual
MERCEDES BENZ
2013 - Up B-class (W246)
2012 - Up C-class (W204)
2012 - Up C-class (C204)
Late 2014 CLA 250
2012 - Up CLS (C218)
2012 - Up E-class (W212)
2012 - Up E-class (C207)
2014 - Up GLA (X156)
2011 - Up GLK (W204)
2012 - Up ML (W166)
2012 - Up SLK (R172)
2013 - Up SL (R231)
With OE type parking Dynamic Guide Lines
On-screen display and setup
2 trigger outputs (+12V max. 1A), separately adjustable switching events (CAN, ACC, rear-view camera,
reverse gear)
Rear-view camera input
Front camera input
Front camera input can also be used as an Auxiliary Video Input (Crux part# AUX-MB1, OBD2 Audio Aux
coding, may be required to create an Auxiliary Audio Input).( Sold separately)
Automatic switching to rear-view camera input on engagement of reverse gear from all operation modes
Forced rear-view camera option
Manual return from rear-view and front camera (cancellation of automatic switching)
Compatible with all factory video accessories (e.g. rear-view camera, DVD-changer, TV-tuner)
Plug & Play installation
6” / 7“ monitor and 4pin HSD LVDS connector
COMAND Online NTG4.5, Audio20 NTG4.5
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Interface Box
MB-78A Harness
Power/CAN Harness
LVDS1 Cable (24“)
LVDS Cable (32“)
Setting the DIP switches of the Interface Box.
DIP 1 on the back of the interface-box is used to set the monitor type. DIP 2 and 3 must be set to OFF.
Device
DIP 1
COMAND Online NTG4.5*
ON
7 inch Display
Audio20 NTG4.5 (1CD)*
OFF
6 inch Display
*Please see page 11 for radio pictures.
After each change of the DIP switch settings you have to execute a power reset of the interface box!
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Connecting Interface box and harnesses
Remove the female Quadlock connector of the vehicle harness from the rear of the radio.
Remove optical leads from the female Quadlock connector of the vehicle harness and insert them into
the female Quadlock connector of MB-78A harness at the same position.
Remove the 12 pin Quadlock plug inserts from the female Quadlock connector of the
vehicle harness and insert them into the female Quadlock connector of harness
TV-NTG2 at the same position
Connect the female Quadlock connector of vehicle harness to the male Quadlock connector of
MB-78A harness.
Connect the female Quadlock connector of MB-78A harness to the male Quadlock connector of the
radio.
Connect the female 8 pin molex connector of the MB-78A harness to the male 8 pin molex connector of
the Power/CAN harness.
Connect the female 12 pin AMP connector of the Power/CAN harness to the front side of the VRFMB78A interface box.
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