Do I have bose? confused

[c180081c]

Hi guys
I have a becker audio 10 cd player in my w203 c180, I want to install my alpine bluetooth headunit. Question is how do I know if I have bose? Ive looked around the forums but there is shed loads of jumbled info.

 

[IanA2]

My Bose had Bose on the speaker iirc.