Mercedes' Digital DriveStyle app will feature Siri voice operation (Photo: Daimler)

LAS VEGAS - Mercedes-Benz will have full Siri integration in its next E-Class starting this spring.

The German premium car maker said during the annual CES consumer electronics fair that Apple's voice software will be available in the E-Class for drivers using an Apple iPhone 4S

Drivers can use Siri to access most content on their iPhone by installing Mercedes' Drive Kit Plus option.

"Tweet, post, share, like ”“ all those things you love doing on your Apple iPhone can now be done on the road," Mercedes said on its Drive Kit Plus Web site.