what years? 96-97 or 94-95?
the sport has a beefed up suspension that is more sporty.
And maybe bigger wheels and lower profile tires, but not sure on that.
If its a 96-97 it probably has a bit of a different bodykit too.
'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.