Why do the German's use Lug Bolts instead of Lug Nuts?
Rotate the rotor so a hole is at the 12:00 position, thread it in real quick, place tire and go from there. The couple seconds it takes to use that little rod makes it a lot easier.




Don't forget to re-torque after about 50 miles.
Don't forget to re-torque after about 50 miles.




I have never sheared one on my GL320, and those wheel and tires are probably heavier than most.

Do you use a torque stick? I've stopped using an impact gun (or sometimes still use it, but only on the "low" setting... which I've verified is only about 70 ft/lbs) because it's too easy to overtighten and I've found it's just about as quick to do it all by hand. But I've been contemplating getting a torque stick so I can use the gun the whole time (after the initial 'by hand' part, of course).
Last edited by DennisG01; Dec 3, 2019 at 09:04 AM.
The Best of Mercedes & AMG




I also don't use the MB hanger. The ones I have are alloy from eBay.
I have one steel one I made from a long hardware store bolt for an old Audi I had. The factory Audi tool was plastic.
I made two for each of my old Audis but they work just the same on the Benz.
On the Audis, it can be even more of a PITA to put the wheel on without the bar because the rotors are not screwed to the hub, so you have to line up the wheel, rotor and hub all at the same time while trying to start a lug bolt.
https://www.ebay.com/itm/4-15mm-Bolt...cAAOSws5BaWd8t
And yes, the aloy lead pin looks semi flimsy. I wonder how many of the marketing specialists who allowed it in the final build thought that a buyer of a $80000+ car would care to change their own wheel if in need, vs. call roadside assistance.
He broke a "bolt" mounting his summer tires, so asked if could he use my lift to fix it. I said sure - I have replaced wheel lugs a dozen times on every conceivable car brand, EXCEPT German masterpieces. You get a large blunt object, say a hammer or brick (or the forehead of a German Engineer), smack the lug out the back of the hub, put the new one in with a stack of washers on the front, and tighten the lug nut to seat the stud. Done in 2 minutes. But for his car... Nooooooooo. Gotta get a broken bolt out of a blind hole in the hub. WTF??? There is absolutely no reason for this. None. The bolted assembly is identical in the end, a threaded part going into another threaded part. Who embeds a $0.25 nut an an integral part of $500 wheel hub? Germans, under the principle of must be the right way to do it since I cannot think of a harder way. He had a bunch of other issues, which we "fixed", and it was a grand adventure of swearing and marvelling at the dumb-f*ckery of German Engineering.
I found an easy way to fix it though. Sell the car, and buy something Japanese.
<passes out>
Seriously, he's right. You don't want to be doing that. [Seriously, he is not. You should have known that from the start. The last good VW was a 1970 Beetle - unless you are a [color=#202124]masochist of course, don't buy one.]
- Mark
He broke a "bolt" mounting his summer tires, so asked if could he use my lift to fix it. I said sure - I have replaced wheel lugs a dozen times on every conceivable car brand, EXCEPT German masterpieces. You get a large blunt object, say a hammer or brick (or the forehead of a German Engineer), smack the lug out the back of the hub, put the new one in with a stack of washers on the front, and tighten the lug nut to seat the stud. Done in 2 minutes. But for his car... Nooooooooo. Gotta get a broken bolt out of a blind hole in the hub. WTF??? There is absolutely no reason for this. None. The bolted assembly is identical in the end, a threaded part going into another threaded part. Who embeds a $0.25 nut an an integral part of $500 wheel hub? Germans, under the principle of must be the right way to do it since I cannot think of a harder way. He had a bunch of other issues, which we "fixed", and it was a grand adventure of swearing and marvelling at the dumb-f*ckery of German Engineering.
I found an easy way to fix it though. Sell the car, and buy something Japanese.











