GL Class (X166) 2013-2015 after facelift became GLS (X166)

18" wheels x166

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Old Apr 25, 2017 | 10:14 AM
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egt144's Avatar
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2013 GL350BTC
18" wheels x166

I wonder if anyone has experience with -1 wheels (18") on an x166 (Bluetec). I have gotten conflicting information. The manual indicates that 18" wheels with 265/60-18 all terrain tires are an allowed alternative to the stock 275/55-19 all season tires. The dealer says no, as does the Tire Rack configurator. An old forum post indicates the issue is with larger front brakes in US models but others have said that this only applies to the gas V8 models and 18s can work with the Bluetec. Anyone have any more information about this?
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Old Jun 4, 2017 | 10:46 PM
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2015 E400 Cab - 2013 GL350 - 2013 ML350 - 2006 E350 - Old Jeep
Have 18"s (stock wheels from '09 GL) on my 2013 GL350 right now. Sold my 2009 GL320 with the winter tires and rims on it so I had almost new tires on 18s in the garage. Test fitted with no issues.
6k miles and counting, no problems.
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Old Jun 5, 2017 | 09:04 AM
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gl 350
Im also wondering the same cuz I want to put bfg all tarrains on my 2013 GL350
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Old Jun 25, 2017 | 12:48 AM
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on GLC300 #2, a 2022 CPO purchased b/c I really dislike the X254's UI (GL350 before those)
Just keep in mind that not all 18 inch wheels are shaped the same and you have to get the fitment correct to be sure you have the right clearance. I think Mercedes presumes in the owners manual that you'll use a wheel it offers and not just any off-the-shelf one.
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Old Jun 25, 2017 | 03:32 PM
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HamMan's Avatar
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2015 E400 Cab - 2013 GL350 - 2013 ML350 - 2006 E350 - Old Jeep
btw, I am running 285/60/18 with no issues.
This is a common truck tire size sold at a "fair' price.
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Old Jun 28, 2017 | 09:57 PM
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MB GL550
Would 18s also fit a 550? Manual shows 19s. Need a winter set up...
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Old Jun 28, 2017 | 11:02 PM
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on GLC300 #2, a 2022 CPO purchased b/c I really dislike the X254's UI (GL350 before those)
550 has larger brakes, from what's stated here. Stick with 19". They come up for sale here, OEM wheels with tires you can strip and sell, and OEM wheels meet MB standards for performance and appearance durability. Try W166 and X166 variant forums and the classifieds.
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Old Jun 30, 2017 | 09:39 AM
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Originally Posted by mustbebenz
550 has larger brakes, from what's stated here. Stick with 19". They come up for sale here, OEM wheels with tires you can strip and sell, and OEM wheels meet MB standards for performance and appearance durability. Try W166 and X166 variant forums and the classifieds.
That's good advice, thanks...
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Old Dec 22, 2017 | 12:25 PM
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gl 350
Btw I just tried 18” it wont fit any GL with AMG package (upgraded brake) due to the rotor and caliper size. I ended up going for 20” and a set of 275/55r20 (a bit oversized)
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Old Mar 12, 2018 | 09:08 PM
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2015 GL350
Originally Posted by HamMan
btw, I am running 285/60/18 with no issues.
This is a common truck tire size sold at a "fair' price.
can you lost some pictures of this please.
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Old Apr 12, 2018 | 11:32 AM
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2015 E400 Cab - 2013 GL350 - 2013 ML350 - 2006 E350 - Old Jeep
18" wheels on GL350



My non winter 18' wheels w/285-60-18's Work great on my 2013 GL350, just like the did on my 2009 GL320


285-60-18's


Winter tire / wheels 265-60-18


1st day of ownership on factory 19" wheels
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