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ON this engine up to july 1986 production this is a "normal(common)" condition!(high mileage) MB didn't design the timing chain to get enougn lubrication until 7/86. THEY added a chain oil spray nozzle under the front cover to combat this problem. & then in 1/88 they started using a double-row timing chain!! THIS can be fixed but is somewhat costly, $400 for parts & 12 hrs of labor.
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator
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