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Old 05-28-2019, 03:45 PM   #1
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Default Best Replacement Tires for 2015 Sprinter

We have a Roadtrek SS Agile, model year 2015 on the Mercedes Sprinter platform. The Kuhmo Road Venture LT245/75R16 tires are original with nearly 37K miles on them. We rotated the back tires to the front at 32K and we’re shopping for two new tires to replace the fronts as the tread has worn down quite a bit. Still legal but probably not for too much longer and we’re planning a ~7-8K mile trip later this summer.

What has been your experience with replacement tires for wear, noise, decent price, etc?

Thanks,

Steve
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Old 05-28-2019, 05:09 PM   #2
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Originally Posted by sdunn4 View Post
We have a Roadtrek SS Agile, model year 2015 on the Mercedes Sprinter platform. The Kuhmo Road Venture LT245/75R16 tires are original with nearly 37K miles on them. We rotated the back tires to the front at 32K and we’re shopping for two new tires to replace the fronts as the tread has worn down quite a bit. Still legal but probably not for too much longer and we’re planning a ~7-8K mile trip later this summer.

What has been your experience with replacement tires for wear, noise, decent price, etc?

Thanks,

Steve
If you can't replace all four, and you like the Kuhmo Road Ventures, you should get two new ones for the rear. That way you don't mix tread patterns which is what tire manufacturers recommend. They also recommend mounting new tires on rear, not the front.
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Old 06-02-2019, 04:57 PM   #3
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Default Easy answer. Costco.

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Originally Posted by sdunn4 View Post
We have a Roadtrek SS Agile, model year 2015 on the Mercedes Sprinter platform. The Kuhmo Road Venture LT245/75R16 tires are original with nearly 37K miles on them. We rotated the back tires to the front at 32K and we’re shopping for two new tires to replace the fronts as the tread has worn down quite a bit. Still legal but probably not for too much longer and we’re planning a ~7-8K mile trip later this summer.

What has been your experience with replacement tires for wear, noise, decent price, etc?

Thanks,

Steve
Steve, unless you have dual wheels, which I don't think you do, get Michelin Defenders LT tires....I have 20,000 miles on mine and they barely show any signs of wear.

Also, my advice is to always err on the side of caution especially when you're traveling across the USA.

Costco is everywhere... and if you needed anything they would be practically anywhere you are.....

The only thing is....if you have dual wheels.. Costco doesn't do valve extensions...

On another matter...did you upgrade your suspension with new shocks or antisway bar? I found this to be necessary around 40,000 miles...? --
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Old 06-02-2019, 08:50 PM   #4
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Thanks for your input; we just had the brakes replaced and bought the Michelin Defender tires you mentioned. What a difference in road noise! The issue of replacing the shocks and anti-sway bar was not yet on our horizon... is this a common maintenance item for ~40,000 miles or was your replacement due to rough roads / some other factors?

Steve
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Old 06-02-2019, 10:30 PM   #5
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Default Suspension upgrades made a world of difference

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Thanks for your input; we just had the brakes replaced and bought the Michelin Defender tires you mentioned. What a difference in road noise! The issue of replacing the shocks and anti-sway bar was not yet on our horizon... is this a common maintenance item for ~40,000 miles or was your replacement due to rough roads / some other factors?

Steve
Steve,

The Michelin Defender tires are GREAT, no question. On the suspension, I noticed that every time we went into a service station for fuel, speed bumps and uneven surfaces that rig would rock and feel like a small earthquake. Well, I thought, this is just common for RVs? NO, it's not true.

My RV shop where I get service said "you really need new shocks and anti-sway" … they were right. And, they referred me to a place in Grants Pass Oregon via phone …. a place known as Super Steer. Call and talk with Dave, he will explain everything to you. There's no pressure here... none from my RV shop or Super Steer. By the way, Super Steer goes to most of the RV shows in the USA and is also known as Henderson's Lineup.

Here's their number 541-479-2882.

https://www.hendersonslineup.com/supersteer-products

While my rig was in the RV shop another Leisure Travel RV Class B like my 2012 was in there getting the same work done. Here's what I did,

I got 4 new KONI FSD shocks
one Road Master anti-sway bar that replaced the old factory one from Mercedes

And, a special proprietary "track bar" from Super Steer.

The results were spectacular... would I do it again and was it worth the money, YES, definitely. Now, very little side to side motion and smoother turns, it really made a difference.

My rig is the Sprinter 3500 with the dual wheels; I have a lot of weight in the back. I think your is a 2500 model with four wheels. If I were you, I would definitely give Dave a call and he works with many RV shops in the local areas. A lot of people know them in Grants Pass; you don't have to go to Oregon for this.

Here's the thing; when Roadtrek built out are vans, they just got a normal cargo van from Mercedes … and added a bunch of things for constant weight like the generator, water tanks, cabinets, refrigerator, propane tank, etc. All of this takes its toll on the suspension.

Less rocking and twisting means that your cabinets and all of the other stuff won't be jostled around as much.

Some super elite master coach builders like Airstream and Advanced RV offer air suspension... I don't think you need to go that far and besides air suspension is very complex, even more expensive and can fail as well.

But, I would encourage you to have it done and I think you'll be happy especially on the open road traveling across the USA. We've done it once and are planning another trip. Wind and stability are increased with the tighter suspension.

I wouldn't advise you to do this job yourself; installing shocks can be very dangerous if you're not capable of doing this and in order to install the track bar and/or anti-sway bar my RV shop had to remove and reinstall the exhaust on my Sprinter.

Here's a few pictures for you of my rig. Good luck. --- Mark
Attached Images
File Type: jpg RS Adventurous.jpg (318.6 KB, 15 views)
File Type: jpg Inside the RS.jpg (245.4 KB, 10 views)
File Type: jpg Inside RS 2.jpg (226.5 KB, 9 views)
File Type: jpg 2012 Roadtrek RS with bicyles .jpg (398.8 KB, 15 views)
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Old 06-02-2019, 10:47 PM   #6
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Thanks for your input; we just had the brakes replaced and bought the Michelin Defender tires you mentioned. What a difference in road noise! The issue of replacing the shocks and anti-sway bar was not yet on our horizon... is this a common maintenance item for ~40,000 miles or was your replacement due to rough roads / some other factors?

Steve
Steve,

I just noticed that you had your brakes replaced?


We purchased our van with 26,000 miles and now have just under 46,000 miles.....

My mechanic recently checked my brakes and said we have 95 percent left over ..... I don't know if the previous owner had the brakes done just before we purchased the rig 2 years ago, but, using only 5 percent in two years and 20,000 miles is pretty good.... wouldn't you agree?

I'm a pretty conservative driver especially with the RV...and slow down when I see traffic slowing ahead, plus, the majority of those 20,000 miles were driving across country just coasting along...

If you didn't see my other email on the suspension... shocks and stuff...an ineffective suspension will ruin your tires and probably brakes as well... Just my opinion.

You can get other replies as well on what others think or consult your mechanic.
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Old 06-02-2019, 11:25 PM   #7
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Mark,

Thanks for the additional information; the suspension upgrades you detailed and very interesting. I’m curious whether others have the same experience and have had similar upgrades performed? We do have similar thoughts on the “mushy suspension” that you describe.

It will be interesting with all the Class B’s out there now that lots of us may need to have this upgrade to the shocks and sway bar.

As for the brakes, we felt that with nearly 40K miles on the Roadtrek, we were actually doing pretty well lasting that long! I also drive conservatively and downshift when possible to avoid overusing the brakes. So I am curious what others have seen for brake life?

Thanks,

Steve
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Old 06-03-2019, 12:10 AM   #8
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Default YES, I would definitely like to hear from others

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Mark,

Thanks for the additional information; the suspension upgrades you detailed and very interesting. I’m curious whether others have the same experience and have had similar upgrades performed? We do have similar thoughts on the “mushy suspension” that you describe.

It will be interesting with all the Class B’s out there now that lots of us may need to have this upgrade to the shocks and sway bar.

As for the brakes, we felt that with nearly 40K miles on the Roadtrek, we were actually doing pretty well lasting that long! I also drive conservatively and downshift when possible to avoid overusing the brakes. So I am curious what others have seen for brake life?

Thanks,

Steve
Steve,

I agree with you that 40,000 miles is what I might expect and kudos to you for being pro-active on that. Which is why I have my vehicle checked regularly. I was very pleasantly surprised when my mechanic checked my brakes and found that they had 95 percent life left after 20,000 miles. I guess it all depends on what kind of driving, mountain, stop and go or just humming along on the road.. which has little or no impact whatsoever.

Regarding the "mushy" handling as you described... I mostly noticed this going over speed bumps, into service stations, driveways or any other uneven surface. The entire van would pitch and rock side to side , more side to side motion, but, it was not stable. Now, practically nothing and if it does rock it corrects itself almost immediately.

Here's another thing, that "track bar" really stabilized the rear end a lot. Let me explain, when I was on the road and a large semi truck would pass me and get in front the "down draft" of wind that the truck is pulling like a "wake" would cause a sucking whose of air and I would be kind of sucked in to the downdraft an it would cause instability, a little shuttering if you will.
That can still happen, a little, but, it's much better now, much improved.
I mostly noticed this in the rear end as the front end of the Sprinter is really rock solid suspension with the MacPherson struts... only leaf springs in the back.

By the way, the rear of my Sprinter still has a pretty bumpier ride than the front, but, all of this stuff did help a great deal. You may not have as much with the single wheel arrangement?

Steve, you have the V6 or the V4 twin turbo? I heard that the FOUR is a great engine as well and gets better MPG?

Finally, keep an eye on the DEF consumption. I was using an excessive amount of DEF and complained to Mercedes; they didn't do anything at first, but, my exhaust back pressure sensor failed, had that fixed and then the entire emissions system failed at 39,000 miles. Long story short, Mercedes replaced my entire emissions system right after that at 39,500 miles with everything brand new and updated software. I was extremely grateful to them for that.

I think that the Mercedes diesel engine is good for 250,000 to 500,000 miles on the base engine; it's the emissions system that has me concerned long term.

I noticed that Mercedes frowns on using bio-diesel, but, it's unavoidable when you're on the road. My only suggestion is to get the oil changed every 10,000 miles or once per year. My 2011 Sprinter is supposed to be changed every 10,000 miles anyway... I'm not sure how they determined that it could be expanded to 15,000 and then 20,000 miles. I'm sticking with the 10,000 miles intervals.
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Old 06-03-2019, 12:34 AM   #9
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Thanks, we have the V6 engine and our average miles per gallon so far for 37,000 miles is 18.3 (diesel engine, of course).
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Old 06-03-2019, 12:40 AM   #10
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Default Same here.... occasionally 19-20

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Thanks, we have the V6 engine and our average miles per gallon so far for 37,000 miles is 18.3 (diesel engine, of course).
Steve, if I go 60 MPH on pretty flat straightaways using cruise control....I've been able to get 20 MPG....rare though because of high winds.... that cuts down on MPG....

One thing I love about the V6; it's very smooth, pretty quiet, has plenty of low end torque and rarely slows down on mountain roads.
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