M&Ms Pretzel $1.00/1 Coupon is Working! This post may contain affiliate links. Please see my full disclosure policy for details. September 29, 2010 29 Sep Pin0Share0TweetGoogle+0shares Head on over to the M&M Facebook page to get a $1.00 off coupon for the new M&M Pretzel candies. Now, thier offer is loading rather slowly right now – so be patient so that you can get yours!