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

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Old 11-20-2013, 07:15 PM
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20 E350 & 17 GLS450
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What PSI are most of you all running. I'm doing 35 all the way around. Recommended is 32 normal. Thoughts anyone?
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Old 11-20-2013, 08:56 PM
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A gaggle of MB's
38 psi all around... then run a week... then vary down or up 2 lbs - drive for a week on that... next cycle... until you are tuned into the "feel" you like to have for "your" truck
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Old 11-21-2013, 07:56 AM
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2023 Range Rover, 2020 MB S450
I'm doing 32 all around.
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Old 11-21-2013, 10:54 AM
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18 E63s Wagon 15 GL63 (sold), 10 Turbo TT MT, A36 Bonanza, 20 JLU Rubicon
37 F
39 R

I noticed that the measurements on the dash can be off a 1lb or 2 from actual (using my pro grade digital handheld gauge). Even from left to right...
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Old 11-21-2013, 11:23 AM
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2018 e63 wagon, R8 GT, 991 GT3, Golf GTI, Jetta GLI
38 all around
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Old 11-22-2013, 01:10 PM
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I'm 38 all around but RENNtech recommends 40 all around.
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Old 11-22-2013, 07:26 PM
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2021 S580 Prior: 2012 E350 Bluetec, 2013 GL350 Bluetec, 2009 ML320 Bluetec, 2006 E320 CDI, 1987 260E
32/factory on a 350, i should look into increasing perhaps...
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