SL-Class (R231) 2013 on: Discussion on the SL550

SL/R231: New Bridgestone Potenza S001 tires for the 875 mile SL

Old Dec 10, 2023 | 12:40 PM
  #1  
MichaelRPack's Avatar
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2015 SL400
New Bridgestone Potenza S001 tires for the 875 mile SL





The SL received 4 early Christmas presents.

Had to replace the original factory Bridgestone run flat tires due to age.

Was advised by the Mercedes Benz service department to replace the 8 year old tires even though the car only has 875 (now 900) miles.

Costco had them in stock and approximately 1 hour later I was on my way back home.

They wouldn’t sell me anything but run flat tires, no spare tire etc., and this is the only run flat tire that they offer in 19 inch tire size.

Hope this helps anyone else who needs to buy new tires for their SL.

Happy Holidays,
Mike
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Old Dec 10, 2023 | 02:04 PM
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Originally Posted by MichaelRPack




The SL received 4 early Christmas presents.

Had to replace the original factory Bridgestone run flat tires due to age.

Was advised by the Mercedes Benz service department to replace the 8 year old tires even though the car only has 875 (now 900) miles.

Costco had them in stock and approximately 1 hour later I was on my way back home.

They wouldn’t sell me anything but run flat tires, no spare tire etc., and this is the only run flat tire that they offer in 19 inch tire size.

Hope this helps anyone else who needs to buy new tires for their SL.

Happy Holidays,
Mike
Many of us switched to goflats. I carry a jack and slime kit but will likely just call for a flatbed using my Roadside Assistance provided by my auto insurance.

BTW, why so few miles on your SL?
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Old Dec 10, 2023 | 03:12 PM
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2015 SL400
BTW, why so few miles on your SL?

The original owner lived in Boston in the warm months and flew south for the winter to Naples Florida.

He kept this car at his Naples Florida house along with his impressive car collection. Said He purchased it as a weekend cruiser.

They decided to sell everything and live abroad in Spain.
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Old Dec 10, 2023 | 03:55 PM
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Very nice. You must have the lowest mileage 8 year old SL in the US and maybe the world. Well done.
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Old Dec 11, 2023 | 10:30 AM
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'13 SL550 Mars Red, Designo White interior, B and O sound
I just did the same for my SL – Happy Christmas to me. $1134.58 total cost after discount and rebate for four Continental Extreme Contact Sport 02 XLs (255/35 and 285/30 on 19") from TireRack and $115.99 installed at PepBoys.
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Old Dec 11, 2023 | 12:25 PM
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2015 SL400
Originally Posted by rmorin49
Very nice. You must have the lowest mileage 8 year old SL in the US and maybe the world. Well done.

Thank you very much. It was pure dumb luck how I found the car.
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Old Dec 11, 2023 | 12:26 PM
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2015 SL400
Originally Posted by Bitbytr
I just did the same for my SL – Happy Christmas to me. $1134.58 total cost after discount and rebate for four Continental Extreme Contact Sport 02 XLs (255/35 and 285/30 on 19") from TireRack and $115.99 installed at PepBoys.

You got a great deal on great tires. I had those on my BMW 7 series sport. Very nice tires.
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Old Dec 14, 2023 | 09:50 AM
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Originally Posted by MichaelRPack
Thank you very much. It was pure dumb luck how I found the car.
What a beautiful car! Did this obviously wealthy original owner order the car and load it up with options or did he buy it off a showroom floor? How is it equipped? Would love to see some interior photos.
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Old Jul 28, 2024 | 01:57 AM
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Mercedes CL550
Bridgestone S001 RFT for CL550?

Originally Posted by Streamliner
What a beautiful car! Did this obviously wealthy original owner order the car and load it up with options or did he buy it off a showroom floor? How is it equipped? Would love to see some interior photos.
I have purchased a set of RFT for rear. Im debating wether buying a set for front. I have a CL550 but tires say BMW? Is it ok to put RFT in rear and regular zr tires in front?
I have 275 35 20 sized tires rear & 255 35 20 in front. Wondering if anyone knows if mix match is ok.
I know a stiffer side wall means less sway which can lead to faster wear. I'll lower PSI from usual 38 to 34-36 in rear & 38 in front. I use higher PSI to protect discontinued Rohana RC8 rim. I have bought an extra set of concave ferrada rims after finding last rim at Rohana factory. Non found on ebay for 3 years. There's a place called Dr rim in Orlando but wheel can only be repaired so many times. Thats why i bought RFT to prevent wheel damage incase of pothole & car being heavy.



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Old Jul 31, 2024 | 06:53 PM
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Most "tire experts" recommend the same tire should be on all 4 corners. Not sure about mixing runflats and goflats on the same vehicle.
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Old Jul 31, 2024 | 08:07 PM
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Call Tire Rack. They have always been responsive to my tire questions.

Last edited by rmorin49; Jul 31, 2024 at 08:09 PM.
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Old Aug 10, 2024 | 03:07 PM
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2020 SL550
Originally Posted by Aviam
I have purchased a set of RFT for rear. Im debating wether buying a set for front. I have a CL550 but tires say BMW? Is it ok to put RFT in rear and regular zr tires in front?
I have 275 35 20 sized tires rear & 255 35 20 in front. Wondering if anyone knows if mix match is ok.
I know a stiffer side wall means less sway which can lead to faster wear. I'll lower PSI from usual 38 to 34-36 in rear & 38 in front. I use higher PSI to protect discontinued Rohana RC8 rim. I have bought an extra set of concave ferrada rims after finding last rim at Rohana factory. Non found on ebay for 3 years. There's a place called Dr rim in Orlando but wheel can only be repaired so many times. Thats why i bought RFT to prevent wheel damage incase of pothole & car being heavy
Aviam,

I would strongly advise against mixing run-flat and non-run-flat tires on your car.

As you know, run-flats have a much stiffer sidewall. That stiffness gives them a nice, crisp "turn in" response. Non-run-flats have a significantly more flexible sidewall (thus their more comfortable ride), but their response to cornering force is slightly slower as a result. With non-run-flats in front and run-flats in the rear, that will spell understeer. This factor, by itself, probably isn't terminal. But you would almost certainly notice an unsettling, "squirmy" feeling in normal driving, as the front end doesn't react as quickly as the back end. I don't think your change in tire pressures would be enough to balance out the response.

FWIW, having run-flats in front and non-run-flats at the rear would strongly magnify this odd feeling, probably to the point that the car would feel like it had a flat or low tire in the rear.

Rick
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