Waiting to get it towed at the moment , Ill soon have it on concrete with real tools to tackle the b2 piston and its inspection.It might require the VB look ,next step if the B2 piston doesnt pan out for the issue.AN RHunter revisited THREAD wrote of a service requirment if never accomplished ,a real problem area for the 722.315 trannie in its service history by Mercedes.OH Yes ,Happy New Year .