You thought gas-electric hybrids were new?

This is from the January, 1902 issue of "The Automobile Review".  And it's from Mercedes and Porsche!

Click through to read all about it.

Update:  This was called the Lohner-Porsche Electromobile.  I believe the Mercedes name came into it because Porsche's drivetrain was probably put into a Mercedes car (unlike the picture in the referenced link).  The article sited above does note, however, that Ferdinand Porsche  went to work for Diamler-Benz in 1906.