This is a so-called disposable camera, it's a standard model with flash, still available. This one was offered by the Mercedes Benz company to its clients, to use in case of an accident. It's a simple plastic focus free camera. After taking all the pictures, the whole camera goes to the processing lab, they crack it open and the body is disposed. That's why the film is prespooled, film advance winds it back into the cartridge. It's very small and light.

Its main features are:

Wide angle plastic lens, 12 exp., focus free, 1m-∞
Shutter ~1/100
Size 105 x 55 x 33,  Weight 113 gr

Some photos of the camera:

If you want to use flash, you have to slide the flash button up.
 

Camera back. Flash ready lamp, viewer, film advance. And the phone number of the Mercedes service in case of...

Camera top. F

Camera bottom. Instructions in German and even an expire date, september 2006.