SL/R230: something hit my compressor belt, Anyone ,good idea?




is a mark on upside the belt,, try figure out what ut can be that hit my belt, now only use 1 pulley on belt wrap kit, with weistec 180 mm crank pulley,, been not driving mutch hard RPM , but suspect this happends when i am pushing hard over 5000 rpm , is a mark on the belt , and cant figure out whats doing this. first time on dyno with belt wrap kit all hooked up, belt gone. seems like something is hitting the belt hard and sredd it.
is sl55 AMG 2007


