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Originally Posted by DieselJim
I am referring to the post 85 diesels that are not the old 4 and 5 cylinders with the iron head. While they are not bad cars they do not have the reputation as having a long as average life as the 123 & 126's of 85 and before. Obviously there are exceptions. I see some late 80's and early 90's rod benders that have a lot of miles. I am not a mercedes diesel expert yet but that is what my research has shown. When the 606 came out Mercedes had a great engine again but the rest of the car was to gadgety.
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So, your judgment of the post '85 diesels is strictly based on the longevity of the head or the durability of the connecting rods in the 603 engine?
Any other variables (transmission, differential, body, climate control, steering, turbocharger, front end components, interior durability..............) factor into your conclusion??
What about the the 602 engine?? Early '90s engine with none of the 603 issues??