I replaced my A/C compressor recently and recharged it back up. It was previously switched to R134 a long time ago. When I recharged it back up, it blows cool (not cold) and the compressor makes a noise. Would this be too much or not enough refrigerant? It only does it when the compressor engages. Otherwise it is quiet. Belt is good too and not too lose or too tight.

https://youtu.be/hYk83cGfMY0

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Current fleet-
2015 BMW 750i xDrive
2009 BMW 535i xDrive
2004 Chevy Avalanche 4x4
1993 Mercedes 300SD
1993 Mercedes 300SE (parts car)

Previous Benz's-
2001 Mercedes SL500
1983 Mercedes 300SD
1980 Mercedes 300TD
1996 Mercedes E300D
1999 E300DT
1984 300TD-T
1988 Mercedes 560SEL (parts car)
1979 300SD
2003 E500
2004 S430 4Matic
2001 E55
2003 E430