Ed Wallace: 2016 Mercedes GLS 550 Published December 23, 2016 Good Day FOX 4 News Dallas-Fort Worth Facebook Twitter Print Email Ed Wallace has been getting around this week in style -- in a new Mercedes SUV. The 2017 GLS 550 is the same model he reviewed back in 2012, but that was the diesel version. This one has a base price of $67,050 and costs about $104,750 as tested.