Mercedes uses a factory sealant that is like the Permatex import grey. We use the factory stuff. If the front upper cover re-seal does not solve it, you have a faulty head gasket. (weak point at the front.)
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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
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