With the big game coming up Sunday, several companies have posted ad previews or the entire ad online ahead of the most anticipated sports day of the year.
Watch: 2013 Taco Bell Super Bowl commercial
Watch: Mercedes-Benz 2013 Super Bowl commercial
Watch: 2014 Kia Sorento Super Bowl commercial
Click here to check out the full gallery on CBS Sports.com
Which commercial is your favorite? Leave a comment below and tell us what you like most about the ad.
