This is a big tire coming in around 32.5" OD. Can we run such a big tire on the X164? Im looking for maximum sidewall meat while keeping my 20" wheel for winter use.
Also this size is very common, as a result-cheap

 

For a Winter tire, you want taller sidewall more narrow footprint.. by going 275/60R20 you are going wider. I think a better choice is a going to 18 rims used and getting snow tires just for that

 

Id like to stick to my 20s thank you

 

So I have 285/45R22 which are 4.13% larger than OEM and I get a little of inner fender wear. I wouldn't recommend anything greater than that.
Thus maybe use some Blizzaks in 275/55R20 because I think anything more than that will cause serious tire rub on the front wheels.

width ratio rim total hieight % error
275 50 20 30.83 0.00%
275 55 20 31.91 3.51%
275 60 20 32.99 7.02%
285 45 22 32.10 4.13%

 

try this link to compare your current and new fit
https://www.willtheyfit.com/ at least theoretically.

I'm curious about why you prefer to stay with the 20" rims for winter. I'm not questioning your choice, not least because I don't know the reasons behind it, but even then I wouldn't anyway. Like I said, curiosity on my part.

I have a set of 19s for my winter tires, and 21s for summer. Main reason was ease of mounting for the home garage crew (me &#128578 and not stretching beads with every tire mount/dismount. The 19s look a little funny, but thats because of the wheel offset more so than the smaller rim size/higher rubber sidewall. I'm ok with the tradeoff between look and utility of my setup

 

Thanks carlos, whats basicaly what I am looking for. around 815mm OD is max we can fit without crazy rubbing. ill stick around that range. Offset and effective scrub radius will impact all of this as well.
Current setup are the stock 21" AMG wheels 10j ET37 ordereing up some 15mm spacer front 20 in the rear which gives it an offset of 22 and 17 in the rear. This is for summer setup

My reason for wanting to stay with 20s are purely aesthetic. I like the look of the big faced wheels on these bigger SUVs. I also like a nice aggressive all terrain tire, however they perform worse than a dedicated winter. I still have my 265/50/20 blizzak DMVs from my Q7 which I will be using for next year or two before buying a bigger dedicated winter, so want to stay with 20s.

 

I'd be hard pressed to go smaller than 20" in your current situation with a set of 20" tired already on hand. Spacers would do the job, which your already considering. I have thought about spacers to bring out my 19s further into the wheel well, mainly to correct the geometry of the suspension.

 

Especially with the 550 flares..having say an 8.5 wide +45 would look ridiculous.

 

The 19s I have are ET60 from the MLs. They're really tucked in the well. It shortens the wheel base width a little. My main concern is the change in the suspension geometry and consequently the tire wear which will be uneven if I don't do anything to correct the geometry. I went with 19 because where I live OEM Benz wheels are hard to find, for the correct vehicle, and in good shape to boot. Bonus was the 19" tire selection and cost, but 18s or 20s would have been a better option for tire selection, although they all seem to run higher offset and are in the 8-8.5" width range, so that would have a similar impact on suspension geometry

Michelin's cross climate tires really have me intrigued, but not in the budget for a while since I just got Hakka winters in January. Too bad cross climates don't come in 21.

 

All W166, 167 models OEM there is no front Camber or Caster to adjust tire contact angles, spread load more evenly. To prevent costly, premature edge tire wear.

Catering for day to day commuting encountering high cambered roads, altered height through load carrying or lowering, fitting wide profile tires, curb knock damage.

We saw the need therefore to design, manufacture front kits(3) - providing Camber and Caster.

#504016-3 K $480 Simply replaces the 4 front upper arm, inner bushings. Can install without need for arm removal or special tools. Provides up to extra 1.5 degrees Positive or Negative adjustment.

#504016 M $595 replaces the 4 lower arm (highest wearing and OEM are expensive to replace). bushings. Also can fit without arm removal. Provides up to extra 1.5 degrees Pos. or Neg.

.#504016-1 P $695 same as above #504016 M except provides up to 2 degrees Camber change.

FOR THE REAR
504026 K $480 This kit replaces the 4 lower arm / highest wearing inner bushings, doubling the existing adjustment range of Camber and Toe. Also fit without arm removal.

DHL air Worldwide $40 one kit $60 Front & Rear.








https://imgur.com/xFJ2hpX

 

275/60r20

 

That looks AWESOME!
but this is with suspension raised. is there any rubbing down in regular mode? how about when it gets lowered to sport mode?

 

I made new links , wheel spacers and then adjusted the speedo . So it rides normally at almost the Raised position but will go even higher when I push the button . Almost 13.75 in the front ground clearance and 13.5 at the little cover that hangs down in the back . If I just put them on without spacers they would hit the upper ball joint and it would rub on everything.

 

This is how it sits normally. Around 11.5 ground clearance

 

You said you made your own longer links? Feel like selling a set?
Did you fab your own spacers too? I’m nervous about buying any eBay stuff and no reputable company makes them for GL’s.

 

H&r makes them. I think they are pretty reputable. If I had to buy again I would buy those ones

 

thank you. I found those, but they’re about $200 for a pair of 30mm without any wheel bolts. I’m not sure I want them that bad.
I also found Eibach ones that about $150 a pair. These are the type that bolt to the hub and the wheel bolts to the spacer, so longer wheel bolts required. I had assumed that any spacers over an inch thick would be this type.

 

sounds about right. My spacers are 20mm, next step up are 25mm and they are the bolt on type. I actually would have preferred 25mm, but got 20 because I would get new bolts. The Benz bolts are atrocious. I cleaned and painted them and they didn't last even like 3 months before I put spacers on.