Advice and thoughts on the EQS
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Actually the larger 21" wheel size will be better for wear because it has fewer revs per mile than a similar tire with a 19" wheel size (approximately 675 vs. 725).
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
Thread Starter
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Actually the larger 21" wheel size will be better for wear because it has fewer revs per mile than a similar tire with a 19" wheel size (approximately 675 vs. 725).
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
Thread Starter
Newbie
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I live in Oklahoma. We get everything here.
I've always gotten a lot of miles on my tires. Maybe it's how I drive and maintenance?
Due to the different front and rears I usually just rotate side to side. I also have never driven it during winter conditions/snow as we have a different vehicle for that.
Senior Member
Joined: Mar 2024
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From: California
2024 EQE Sedan
I think the tire's tread wear rating is what you should look at more than being concerned about the wheel size. The larger wheel sizes cost you a bit of range, so if that is a concern smaller is better (gains you about 5-10%).
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Again, I've only owned the car for a week. So trying to learn best practices. You're right in that I'm looking at tread wear and the average miles expected on tires. It does seem the 19" get better range, also the tires are less costly. So yes two different things: 1. best tire options 2. what is the best for range and comfort? wheel size speaking.
So I'm looking at both to learn, I've been reading the tire thread to see what people are having success with. It seems most EQS owners in the threads have 20", maybe I'm wrong, but the 21" options seem a bit more limited. I was even toying with eventually going non run-flat which it seems some do.
Just trying to learn and plan from the experience of other owners.
Super Member
Joined: Apr 2011
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23' EQS AMG
There is a tire thread somewhere in here. My original tires lasted 11K or 13K (I can't remember). All 4 were bald on the inside tread. They were the factory Michelin Piot Sport EV 21". In short, they suck. The DWS 06 staggered now with similar mileage of 11K (285 on the rear vs. 275 on the fonts), they look great with plenty of treads left. As quiet as the Michelin, too.
50K miles on an m850i? What tires do you have on it? That's crazy. My F02 750Li with ARS and IAS barely lasted 30K on DWS. The negative camber is pronounced on these bimmer boats.
50K miles on an m850i? What tires do you have on it? That's crazy. My F02 750Li with ARS and IAS barely lasted 30K on DWS. The negative camber is pronounced on these bimmer boats.
Last edited by MB37; Jan 7, 2026 at 09:43 PM.
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From: Cincinnati
2010 E350 4Matic
Actually the larger 21" wheel size will be better for wear because it has fewer revs per mile than a similar tire with a 19" wheel size (approximately 675 vs. 725).
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
- EQS Sedan (V297):
- 19-inch: 235/55R19 on 8Jx19 rims
- 20-inch: 255/45R20 on 8.5Jx20 rims
- 21-inch: 265/40R21 on 9.5Jx21 rims
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Senior Member
Joined: Mar 2024
Posts: 357
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From: California
2024 EQE Sedan
Actually the larger 21" wheel size will be better for wear because it has fewer revs per mile than a similar tire with a 19" wheel size (approximately 675 vs. 725).
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
That being said, the actual tire construction and compound is the real determinant of tire wear, not wheel size.
The range impacts come from having a larger mass of wheel to spin up when accelerating. Larger wheels also have larger moment of inertia that needs to be overcome compared to smaller wheels as the metal is farther from the axis.
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As I mentioned, my post stated similar size tires. Changing tire sizes can affect both the revs per mile as well as the distance travelled for each revolution.
As far as moment of inertia is concerned, you are assuming that larger diameter wheels have greater mass. That is not a given. Magnesium rims can contain 20% to 30% less mass than aluminum alloy wheels of similar design.
As far as moment of inertia is concerned, you are assuming that larger diameter wheels have greater mass. That is not a given. Magnesium rims can contain 20% to 30% less mass than aluminum alloy wheels of similar design.
Junior Member
Joined: Mar 2025
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EQS 450+ SUV 2024
The units that come with the car are usually 7.6kW units which you can use; however, they tend to overheat and reduce charging rates. Since your car has scheduling built in, I would recommend a simple 9.6kW EVSE without WiFi and scheduling. Something like a Lectron unit will work fine. You have no need to spend money for functionality the car already has.
https://www.amazon.com/dp/B0BXP2JB64
https://www.amazon.com/dp/B0BXP2JB64
Senior Member
Joined: Mar 2024
Posts: 357
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From: California
2024 EQE Sedan
Right. The 15 minutes granulaity works fine for me, and as I use a plug in unit the amperage is fixed already.
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Newbie
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I'm using a EVIQO Gen 2 and so far it's been great. I just connected it to a 14-50 and I'm getting just over 10 kwh on a charge. I've only charged a few times so far but from about 48% to 80% it's been taking just over 3.1 hrs
I'm going to run it down to may 10% and then charge to 80% and see the timing.
I'm going to run it down to may 10% and then charge to 80% and see the timing.
Junior Member
Joined: Mar 2025
Posts: 31
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EQS 450+ SUV 2024
My advice for purchasing tires is first ensure you get both the treadwear and road hazard warranties. Then you choose the highest miles/$ tire available, based on the treadwear warranty. That way even if the tires wear faster than expected you simply get reimbursed for the remainder of the unused mileage of the treadwear warranty.
