I have recently compared an Elring gasket to one purchased from MB. The MB gasket has two perforated stainless inserts right next to the front corners (the lower one being the place of most leaks).

Do you know if there are more than one Elring? Do the Elring that you use have these inserts?

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician