Originally Posted by BWhitmore

The bright metal on the mouldings is stainless steel and not chrome so the issue of chrome going bad over time is not an issue. The differences I have found over the years involves the black rubber and fit. Aftermarket mouldings seem to have an inferior black rubber that begins to go bad fairly quickly and I have also found the fit not to be the best. If you sre building a show car I would recommend MBZ parts. If a daily driver, the aftermarket parts will work.