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Old 12-25-2018, 02:51 PM   #1
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MBS getting moved around in the wind

We bought a used 2018 MBS 2400WS with 2,000 miles on it. We are surprised how much you get moved around in the wind or when a semi truck passes you. We drive around 62 to 65 mph. We have owned bigger motor homes in the past and didnít have this issue. Reading the forums I increased the tire pressure to 70 psi and that helped. Wondering what some of you have done for upgrades or if you have this issue. Thanks
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Old 12-25-2018, 05:44 PM   #2
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Most with concerns have added front and rear sumosprings, helwig swaybar (newer units may come with helwig), upgrade rear shocks to bilstien or koni ( shock choice subjective to ride preference) . Search the mBS and Solera forums for more thorough discussions. This is an old topic that has been well covered in the past. I have the upgrades and semi trucks have no effect, wind only with very high gusts. I consider the problem solved. Happy camping.
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Old 12-25-2018, 08:33 PM   #3
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Getting moved around in the wind

Thanks for the info. We are new to the forums. I will go back thru the older post and look for the information. Do you know about how long ago were the posting. We will be heading to Sarasota the end of this week. Thanks
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Old 12-25-2018, 08:43 PM   #4
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Read through this thread
Which shocks for the rear 2015 24R?
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Old 12-26-2018, 01:40 PM   #5
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I'm driving a Forester 2401W MBS pulling a Jeep Wrangler and have felt wind from trucks coming up from behind and also wind gusts but just assumed that was part of driving a motor home. I think some fellows already have provided good advice so I'll let it go at that. This December trip from Montana to AZ I did layover for a day when the forecast called for 30 to 40 mph sustained wind plus gusts ranging from 60 to 70 mph. Other than that forecast I haven't been much bothered by wind.
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Old 12-26-2018, 03:10 PM   #6
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I have to agree with Rich M. about the bilstien shocks, they are a bit pricey , but are worth the cost, I put them on my Durango, and when it is time to replace shocks on the MH I will get the same brand. By the way when I got under MH frame to check things, they are already installed on the rig!! I found more air pressure helps a lot for sway. had 70 PSI and increased them to 80 PSI. they were actually under the specs going by the tire specs,not the nomiclature inside the MH, check your tire information on the side of the tires, go by that, not the stickers. good luck
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Old 12-26-2018, 07:13 PM   #7
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As always, a lot of good advice on this forum and on the various threads, but, to solicit opinions on the 'Moving around in the wind topic' I am ready to either add 'Hellwig' Helper Springs (product #61614) or the correct SumoSpring(s) along with new shocks (Bilstein or Koni) to the rear of my 2018 MBS, 2400R.


Probably no one has done both, on similar rigs, so really hard to compare. One thought is Helper Springs are hardened steel, therefore, would be better than the components in the rubberized/foam SumoSprings. Essentially, these are just another bump stop.

On the other hand, the SumoSprings are more expensive, and 'Look' like they would provide a better ride. Of course, more expensive is not always better.


The objective is to reduce the moving around in the wind, due to wind gusts or our beloved 18 Wheeler's.


Thanks in advance for your thoughts!
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Old 12-26-2018, 07:49 PM   #8
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There are lots of good posts on Cheap Handling Fixes (CHF).

My solution is the cheapest and worked wonders for me:

Mfg spec on tire pressure is 92 psi. My tires are rated at 110 psi.

I increased my tire pressure to 98 psi.

90% of truck-passing sway vanashed.

The squirly front end disappeared completely.

Lesson: verify your tires are "properly" inflated; as an option, increase your tire psi to something greater than the specifications call for, up to and including your individual tire rating. If that doesn't work, consider other options in this Forum.
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Old 12-26-2018, 09:38 PM   #9
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Our 2012 Solera (MBS) -
I removed the Helwig sway bar I had installed after one of the brackets broke. Reinstalled the original Mercedes sway bar.
I run 80 psi in a he rear tires and 75 psi in the fronts. Dealer recommended. Have switched to Michelin tires. I believe the tire change did more to help handling than did the Helwig.
I tend to run heavily loaded. Full fresh water and propane when starting a trip - often camp without hookups. Try to drain black and gray when I refill fresh - so usually 36 gallons of tank water (including Water Heater). 110 pound Golden Retreiver; 400+ pounds of wife and me; 75 pound inflatable kayak; tools; 3 gallons spare DEF; spare ESP oil; tire chains; food; clothing; etc. I believe the motor home handles better loaded.

Finally, after just driving it many (over 90K) miles, we’ve, I’m sure, adjusted to it. My perception- truck passing sway is minimal; does decent in strong cross winds.
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Old 12-26-2018, 09:53 PM   #10
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Getting moved around in the wind.

I would like to thank all the people that responded. The information has been very helpful, I went back and read all the threads. We are taking off in the morning, leaving Michigan and heading to Florida and will be towing our Jeep Cherokee. Thanks again.
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