Quote:
Originally Posted by Shortsguy1
Maxbumpo, could you expand on this a little? My 1968 220d never had an oil cooler. At some point in the w115 run, MB decided to add these, and I respect their decision as my car does tend to run hot. But not having an oil cooler has not meant instant engine death in my case. Far from it.
Is your statement perhaps more true for the 5 cylinder, turbo engines? At some point I will need to replace my radiator and I need to figure out if I should do an identical swap or get one with an oil cooler and try to retrofit the lines to my engine. Given that others have lost engines due to bursting oil cooler lines, until I read your comment, I was actually happy to not have an oil cooler. Thanks.
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I know of two 123 cars which died on the first highway run when the oil cooler was deleted: a 240D and a 300D. I do not know if AC was installed or not. MB engineers put it there for a reason.
If your car did not have a cooler from the factory, then the MB engineers didn't think it was required, and given that your car has survived this long, it's quite obvious that you don't need one unless you make drastic changes to the car (like add air conditioning or a trailer hitch and start pulling big loads).