was the seal in the test port for checking oil pressure located on the timing chain cover as suggested by ILUVMILS
Cheers
3star

__________________
2012 ML350 Bluetec 4-matic
1999 E320 4-matic Estate


"A ship in harbour is safe, but thats not what ships are built for". - John A. Shedd

http://www.varaderocigar.com/images/...ontecristo.gif