GLS Class (X166) Produced from 2016 to 2019

2019 gls450 harsh ride

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Old May 14, 2026 | 04:20 PM
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GLS450
2019 gls450 harsh ride

I owned a 2007 and a 2012 GL450 and both had a soft cushy ride which I liked very much. This GLS 450 has a ride that is about as stiff as my 2021 Audi q7 and my wife’s 2023 q5 both of which I hated because of it. I have tried all of the suspension settings and it still feels like it wants to knock my teeth out when I go over a speed bump?????
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Old May 15, 2026 | 10:26 AM
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bone stock E55 AMG
moved to X167 forum...
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Old May 15, 2026 | 12:49 PM
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Originally Posted by MJ50
moved to X167 forum...
2019 GLS is actually X166 not X167.
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Old May 15, 2026 | 01:23 PM
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bone stock E55 AMG
Originally Posted by S_W222
2019 GLS is actually X166 not X167.
got it... moved to X166 forum...
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Old May 15, 2026 | 02:14 PM
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2017 GLS 450,Bmw Z4 35i
something wrong with the suspension,go down and check
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Old May 16, 2026 | 10:06 AM
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'21 M5Comp, '17 GLS450,'17 Range Rover, '08 Carrera 4S
What size wheels do you have? What is your tire pressure?
My '17 GLS 450 is a pillow with 19" 275/55 tires, even at full load tire pressure.
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Old May 19, 2026 | 09:56 AM
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2017 GLS 550
My GLS 550 is the same, I attribute it to the 21" 295/40 tires. its sad that my wife's 2013 E350 cabriolet with conventional springs all around, takes speed bumps so much nicer. you would think the air springs could compensate for the stiff sidewalls of the 21" tires. when I move up to the next one I want E-Active body control, or magic carpet or whatever they will be calling it.
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Old May 19, 2026 | 04:00 PM
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GLS450
2019 GLS 450

Originally Posted by redcarrera
What size wheels do you have? What is your tire pressure?
My '17 GLS 450 is a pillow with 19" 275/55 tires, even at full load tire pressure.
Same size wheels and tires. I have tried different tire pressures to no avail. My 2012 GL 450 was a pillow too.
This is maddening!
I traded my ‘21 q7 in for this car strictly because of this issue. I never even considered that this GLS would not ride at least as well as my ‘12 GL.

Last edited by 1xsculler; May 19, 2026 at 04:04 PM.
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Old May 19, 2026 | 05:05 PM
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2017 GLS 450,Bmw Z4 35i
try switching to 275/50/20 its easier to find these tires and its very comfy ride,though 19s ride even better
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Old Yesterday | 01:29 PM
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GLS450
Wheel size

Originally Posted by 1xsculler
Same size wheels and tires. I have tried different tire pressures to no avail. My 2012 GL 450 was a pillow too.
This is maddening!
I traded my ‘21 q7 in for this car strictly because of this issue. I never even considered that this GLS would not ride at least as well as my ‘12 GL.
correction: my tire size on my ‘19 GLS is 275/50/R20
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Old Yesterday | 02:30 PM
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GLS450
Tire size

Originally Posted by serb
try switching to 275/50/20 its easier to find these tires and its very comfy ride,though 19s ride even better
My ‘19 GLS 450 has a terrible ride on 275/50/R20s.
something must be wrong with my rear shocks, rear airbags and/or front struts.
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Old Today | 04:50 AM
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2017 GLS 450,Bmw Z4 35i
definitely,i love how plush is mine and i have 275/50/20,this is one of the rare cars that relax me and i never wanna drive fast
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