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Automotive glossary

Manufacturer Oil Approval

A manufacturer oil approval is a code from a carmaker, such as VW 504 00 or MB 229.52, confirming that an oil meets its own tests.

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What is Manufacturer Oil Approval?

It is printed on the oil bottle. Long-life service intervals often require a specific approval. Approvals are often stricter than general ACEA classes. Service records should note which oil and approval was used.

How it works

The carmaker tests and lists oils that protect its engines and after-treatment systems.

Why it matters for your car

Using an unapproved oil can cause problems with warranty claims. “Meets the requirements of” is not the same as an official approval.

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