UPDATE: We just received a tip from an inside source that two very big model reveals will be featured in the upcoming Super Bowl ad spot. Stay tuned between 3 p.m. and 4 p.m. EST for the full details.

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We're just two days away from the big game, and as we stock our refrigerators, kegerators, and snack platters, we're also stocking our list of commercials to catch. The latest addition: Mercedes-Benz's "big unveiling."

What, exactly, will be big and unveiled? Four new models will be coming in the 60-second spot previewed here, and judging by the making-of video, there'll be a slew of vintage hardware featured as well.

Check out the two teasers and the behind-the-scenes video of the full 60-second commercial's making below. Set your game clocks for the fourth quarter, as that's when the curtain goes up on the ad.