It is specially made for Mercedes Benz B Class W246 (NTG4.5/4.7 or NTG5.0/5.1/5.2) For Mercedes Benz B class W246 2012-2017: B160 B180 B200 B220 CDI Mercedes Benz B class (NTG4.5/4.7): B160 B180 B200 B220 CDI (2012-2015) Mercedes Benz B class  (NTG5): B160 B180 B200 B220 CDI (2016-2017) Mercedes Benz B class screen need to check LHD or RHD before order, both 10.25inch or 12.3inch display can fit B class , but LHD and RHD Mercedes Benz display has different bracket mount . Support split screen and PIP: Multi-tasking run 2 apps at the same time, picture in picture. Keep original NTG radio system features such as factory radio, GPS navigation, Bluetooth, DVD/CD,USB,SD, etc, support factory rear view camera reverse trajectory. 360 camera, door open warning, be compatible with original iDrive knob control and steering wheel control, be compatible with original sound system and optic fiber, play lossless audio. Android system functions include Android navigation, touch screen, android music and video, android Bluetooth call and Bluetooth music, USB port, SD card, android apps installation. Built-in A2DP, Hands-free calling,Transfer phonebook with alphabetic name search, Caller record, Call history. Support common video and audio formats: MP4, AVI, MKV, WMV, MOV, FLV and MP3, WMA, AAC, FLAC, APE, WAV other common formats. Built in GPS with rapid positioning and navigation support google map and waze etc. Q:  How to check if car radio is NTG4.5/4.7 or NTG5.0/5.1/5.2 ? A: There is two kinds of android screen hardware for Mercedes Benz A CLA GLA, that is NTG4 and NTG5 system. Please check the radio menu to judge if it is NTG4 or NTG5. Q:  If Mercedes Benz B class has no AUX input, how to make sound coming out? A:  Android screen can activate Aux on NTG4.5 4.7 radio system for sound,  NTG5.0 5.1 5.2 has no AUX input , only USB input, NTG5 android screen come with USB-AUX audio adaptor. Q: If there is sound delay on B class NTG5 screen upgrade , that is sound not sync with video playing after installation. how to solve it? A: In such case, it is some brands of original headunit which has sound delay with android screen, need to install a DSP amplifier directly for sound delay solution. we have it for sales also. Q: AUX switching mode is Manual or Automatic? A: NTG4.5/5.0 has both Manual and Automatic AUX switching mode.