M-Class (W166) Produced 2012-2015

2014 ML350 body roll

Old Jun 17, 2019 | 02:03 PM
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2014 ML350
2014 ML350 body roll

Hi, I have a 2014 ML350 with average miles and I am the first owner. But ever since I had it it has swivel / roll side to side when turning or even driving normal road, just little bit. I believe it is steel spring since I don't have air suspension. I guess I am super sensitive since I get boat sick. Any suggestion how to make the ride little bit tighter? I drove the 2018 GLE and even without air suspension, the ride is tighter which is what I hope the ML350 would have. Thank you!
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Old Jun 17, 2019 | 05:41 PM
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Drop the front and rear with a spring kit. I dropped the rear only and body roll was reduced.
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Old Jun 17, 2019 | 08:01 PM
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Originally Posted by evan8
Hi, I have a 2014 ML350 with average miles and I am the first owner. But ever since I had it it has swivel / roll side to side when turning or even driving normal road, just little bit. I believe it is steel spring since I don't have air suspension. I guess I am super sensitive since I get boat sick. Any suggestion how to make the ride little bit tighter? I drove the 2018 GLE and even without air suspension, the ride is tighter which is what I hope the ML350 would have. Thank you!
Have H&R spring kit. Search site for people who did. It stiffen up the ride and lowers the car about inch. Some have just put the spring kit on the rear.
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Old Jun 17, 2019 | 11:02 PM
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Thank you Peter2772000 and Isawelvis for your inputs. I will look into this. Appreciate your help!
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Old Jun 19, 2019 | 04:12 PM
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If you have the 19" wheels on your ML, going to a larger diameter and wider wheel helps quite a bit as well. I went to a 21x10" AMG wheel on mine from the factory 19" wheel and the body roll was significantly reduced and the ride stiffened up slightly, not at all harsh.
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Old Jun 19, 2019 | 10:15 PM
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Thank you Johnand. I searched on Tirerack for 2014 19'' and all tires are 255. I have Michelin Premier LTX and was going to go with Bridgestone Dueler H/L Alenza Plus based on the reviews of its long life and ride quality. But I don't think it solves the body roll. If you don't mind, could you share the type/spec of the tire you used please? Thank you in advance!
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Old Jun 20, 2019 | 01:54 PM
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W166's came with optional 21" wheels and 295/35-21 tires. I wanted a slightly taller tire, so I went with the X166 size of 295/40-21. Tires are Pirelli Scorpion Zero A/S Plus. Again, very happy with the upgrade. Took the factory 19" wheels and installed some Pirelli Scorpion Winter tires on them for winter. Now I have a dedicated winter and summer setup. I stuck with the UHP A/S tires for summer, instead of a true max performance summer for reasonable tread wear.



Last edited by johnand; Jun 20, 2019 at 01:58 PM.
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Old Jul 1, 2019 | 11:06 PM
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Looks great, John. Do you know the offset on your 21x10's?

Thx Greg
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Old Jul 2, 2019 | 09:19 AM
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Originally Posted by glocati
Looks great, John. Do you know the offset on your 21x10's?

Thx Greg
Thanks. Yes, they are 45mm.
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Old Jul 2, 2019 | 03:30 PM
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Originally Posted by johnand
Thanks. Yes, they are 45mm.
Thanks, John. GL
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Old Jul 2, 2019 | 03:37 PM
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Thank you John for your inputs! Your mercedes look awesome!
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Old Aug 12, 2019 | 10:42 AM
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Originally Posted by johnand
If you have the 19" wheels on your ML, going to a larger diameter and wider wheel helps quite a bit as well. I went to a 21x10" AMG wheel on mine from the factory 19" wheel and the body roll was significantly reduced and the ride stiffened up slightly, not at all harsh.
Going to a larger wheel reduces the height of the tire sidewall. That stiffens the ride but not as much or as predictable as a spring upgrade. You can get shorter springs or stiffer springs for much less that the cost of wheels and tires, unless you need winter wheels or find a super deal somewhere. My summer car has larger summer wheels and smaller winters. I look forward to putting on the winters because the car is more comfortable on regular roads. The 5mm height difference is noticeable in an already stiffly sprung car.

%g
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