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Old 05-11-1999, 05:34 AM
Lee Scheeler
Posts: n/a
What year E320 is it? Are you sure your owners manual says nothing about recommended oil weights? My experience with oil changes is that how often it is done is just as important as what it is done with. Switching to Mobil 1 on a car with 6 digits on the odo may not be a good idea but if we are talking new then switching to synthetic after a reasonable break in period shouldn't be a problem.