what is the master cylinder?
I'm not too familiar with this.
The car is at my house and i'm at school now. I should be home around 9ish, i'll try it then or ask my mom to try it for me.
Check this post again, i'll send you a PM when i check it. Thanks man.
2013 C300 4matic
2009 C300 4matic
2001 E320 Sport