What's the roof rack weight rating?




The tube weight about 150lb, so it is not the weight alone that I am worry about, but the size. My plan is to cut 2x4 and attach it to factory rails, what should make strong support and then add strap to the hitch for wind stabilization.
I don't see any convenient point on front to put another strap, cut did anybody try it?




Even MB USA site is not giving the roof rails rating https://www.mbusa.com/en/accessories.../0:A1678903000




https://www.asgautosports.com/produc...bars-2015-2018




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Here is the link for added simplicity because Googling seems to not be your forte.
https://www.mbusa.com/en/owners/manuals
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When I made good job of strapping and bolting the float to the cross members, on my trip I had couple of wind gusts who made for very active ESP reaction.
That had to make for huge side forces on the rails and they hold just fine.




Thule and other rack manufacturers will have universal mounts, but those elevate the cross bars.
Check your sunroof clearance. I have pano roof and I could not open it with 2x4 resting on top of railings.
I think Yakima "spun off" the Whispbar product into it's own company, but you should be able to google / bing / duck / startpage / etc. to find them...if they're still making/selling them.
Electronic versions of the owner's manual are available through the MercedesMe website (https://www.mbusa.com/mercedesme). Log in or create an account. Once you've entered your vehicle information there will be links to the manuals at the bottom of your "index" page (attaching a screen grab of mine account to illustrate).
Last edited by John Ha; Aug 9, 2022 at 09:10 AM.
The tube weight about 150lb, so it is not the weight alone that I am worry about, but the size. My plan is to cut 2x4 and attach it to factory rails, what should make strong support and then add strap to the hitch for wind stabilization.
I don't see any convenient point on front to put another strap, cut did anybody try it?
Last edited by Curzon; Oct 28, 2022 at 12:38 PM. Reason: Double response.
Thule and other rack manufacturers will have universal mounts, but those elevate the cross bars.
Check your sunroof clearance. I have pano roof and I could not open it with 2x4 resting on top of railings.
Last edited by Gcole91; May 30, 2024 at 09:37 AM.




