Mercedes-Benz co-opts car keys for clever interactive subway ads

It's quite apparent that technology, in addition to helping us avoid advertising (thank you, DVR), has simultaneously enabled much more of it, and in many more places. And when used properly, technology has made some ads a lot more interesting.

Mercedes-Benz constructed an interactive ad for its Viano minivan in Berlin's Friedrichstrasse subway station. To promote the chasmic space inside the people-hauler, the ad allowed riders waiting for trains to open the door of a virtual Viano using their own car keys, then watch what kinds of things climbed out and how many of them there were. Follow the jump to check out the video.