Any engine can have a headgasket problem, the 2.3 & 2.6 engines are very simular & neither one blows head gaskets often. The M103 engine sometimes can spout a oil leak but blown gaskets usually come from overheating.

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MERCEDES BENZ MASTER GUILD TECHNICIAN (6 TIMES)
ASE MASTER TECHNICIAN
27 YEARS DEALER M.B. Shopforeman
190E 2.3 16V ITS SCCA racecar