My e450 cutaway does not have an airbag.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
I like this. It doesn't fail. It's right there. Like, right there.
Smooth slightly resistant swivel.
And
The mount I made from these.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Metal disk on back of phone and these.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
These are not goof-around type magnets.
I'll also post three holders I have that use those rubbery microgrip pads and a link.
I haven't found a worthwhile commercial phone mount. I've tried dozens.