On my moms G500, it says Mercedes Benz across the center wheel over on the back. Not real big, but just big enough to let people know what your driving.

It also says it on the door sills.

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-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.