I agree with Bo. I use Mann air filter and Hengst oil filter. Use the names in his post. Any others might "upset" your car. And WELCOME to the wonderful world of MB Diesel ownership.. you'll really enjoy it!

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Nello Tare

1982 300D (266,001 mi.) looking and running great

Previously owned:
1976 450 SLC
1983 300D
1976 300D
also
1982 Jaguar XJ6 (loved, but gone)