Its a no from me if thats the case :eek:

Bought the same box about 10 years ago for the S40 asking with a set of whispbars from the same place. Box did a great job, at one point I think i left it on the car for about 3 years in a row with no ill effects to the box, mpg wasn't excessively impacted too.

Lightweight enough to lift up into the car on my own too.

Still have the box in the garage although not sure I'll need it again as they E class estate swallows up everything.

Not sure I'd trust those steps though, think I'd stick to a small folding stool.

In terms of the wee step damaging the car. My experience (which I accept is not empirical evidence) is that it took my weight, circa 19stone + a fully packed suitcase without so much as a creak, dent or squeal. It may be that my V90 is made of stronger stuff but I have had a good look and there's no damage.

G

Well...
Seems that it MUST hold the weight of a single person - many times over. Says here that according to SAE J839B document the door latch must support 2500 lbs of vertical and 2000 lbs of horizontal force:

https://www.mokidoorstep.com/pages/faq

So that's that then... at min. 900 kgs of downforce rating it will support my sorry ass many times over. And then some.

I recently bought a new roof box for my V60. I really liked the look of the Thule vector but couldn’t justify the crazy cost ~£1300!!. I ended up getting the Thule Motion XL (Paid £549) which is more than big enough for what I need. Just hope that I can squeeze under the 2M high toll barriers (fast toll tag lanes) when I head to France next month. I think with wing bars and roofbox it comes to 1.95m so fairly close !!

This is the Thule Vector which look smart on the V60:

Attachment 141440

And this is the Thule Motion XL on my V60:

Attachment 141441

Because critical safety component that maintains the structural integrity of the car in a huge crash.

I have
Hapro Traxer 6.6 roof box, anthracite black, no. 35908

lot of space and good price.