Hello, Welcome to JA, my name isXXXXX will try to help.. I have tried to find a diagram before on these with no luck.. the last time a question came up here on JA I looked at one of my 2006 c15 and wrote it out.. see if this will help before you decide to accept

ours has 2 belts

the 8 rib belt

off top of fan hub inner grooves.. towards pass side.. under statinary idler pulley..over alternator pulley... down and around lower stationary idler...up over tensioner pulley..down under dampner pulley ... back up to fan..

the 6 rib belt

around fan outer grooves up to a/c compressor.. tensioner sits against belt

See if this will work for your application, before you decide to accept....mine is for a KW so it may not.. I tried everthing to get a picture with no luck..from Cat and from KW.. you may get lucky with INT. service dept.

Tim