Where can you watch sonic mecha wars?

"Sonic Mecha Wars" is not a known or official Sonic the Hedgehog series or video game. There is no information available online about this title, suggesting it might be a fan-made creation or a misunderstanding.

If you have more information about the specific title you're looking for (like the creator, release date, or where you saw it mentioned), I might be able to help you further.