Rubber trim on running board loose.
I would use black weatherstrip cement and follow the directions to the letter.
Tennis shoes is playing "good guy" I'm the "bad guy"- your 2007 Mercedes has a "running board?" really? Do guys in pinstripe suits with Thompson machine guns stand on them and hang on as you make your way through traffic on the way to the mall? cool
jamnblues I too have running boards on my 450. It makes it easier for my small children to get in and out of the truck. I would have them on any truck or SUV for that purpose alone. I do not wear pin stripe or any other suit except on rare occasions - just a regular guy with a regular job who decided on a long term investment for a SAFE vehicle to carry my children around. Your comment above is both childish and disrespectful.
Jamnblues there are a lot rigs out there today that have running boards, they are very functional and some even roll back out of the way while driving, nice. Of course you would never get away with it but it would be nice to have some guys with a couple of Thompsons riding out there during rush hour. LOL
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