Its that time again and I want to make sure I am doing the right thing.

3 years ago I replaced the transmission fluid and filter with dextron III on the recommendation of a Service adviser that worked at a Benz service facility.
It is not blood red anymore so that is typically my signal to change; no issues yet and no burn smell etc. Car has 190k kms on it and have had no transmission work. Is there agreement that Dextron the acceptable transmission fluid or are there reasons I should be using something else? Is there any merit in using the Lucas products as a supplement as well or are they simply a waste of $?

Cheers,

Walter

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Walter Sawczak
1990 300 E
1993 Lincoln Mark VIII
1983 Jaguar XJ6