Anything you do to change the car from as-delivered will lower its value. Mercedes is one of the few brands where adding aftermarket accessories devalues the vehicle. You could put $50k worth of new goodies on the car and it would be worth less than you paid. If you want to
tart up a car, buy a Charger or a Mustang or a Nissan; they didn't cost much to begin with, so you don't lose anything. ...