it will not scan older Mercedes said not equipped on most and will not read faults on some benz and jag it shows a fault then press read fault it dose nothing all the other options work but not the read and some test don't work like for instance a 2009 r350 Mercedes benz would not level rear air suspension the f3 would press but nothing happened luckily my shop has autologic when the maximus dose not work and today2004 E320 quick test not equipped
