C Class (W205) C 180 BlueTec,C 200 BlueTec,C 220 BlueTec,C 220 BlueTec BlueEfficiency,C 250 BlueTec,C 300 BlueTec Hybridplus,C 180,C 180 BlueEfficiency,C 200,C 250,C 300,C 400 Plug-in Hybrid,C 400

Will switching out runflats for regular tires affect my warranty?

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old Jan 17, 2018 | 03:41 PM
  #1  
Elbandito's Avatar
Thread Starter
Member
 
Joined: Dec 2017
Posts: 178
Likes: 29
2015 c300
Will switching out runflats for regular tires affect my warranty?

will it affect my warranty, and what sort of documentation would I need? And also are the tire pressure still the same recommended psi of 36 for the non-run flats, or are they different?
Reply
Old Jan 17, 2018 | 03:59 PM
  #2  
PaulE550's Avatar
Super Member
 
Joined: Dec 2014
Posts: 842
Likes: 64
From: Northern NJ
2015 E550 Coupe
Swapping out tires does NOT void your warranty. You just have to use non-run flats (regular tires) that are appropriate for your car. If you bought your car, it IS your car after all. If you leased your vehicle, then somewhere in your contract it may state you are probably expected to return the vehicle at the end of the lease with the original equipment configuration you received. So at the end of your lease, just put the run flats back on.
Reply
Old Jan 18, 2018 | 06:59 PM
  #3  
sean1.8t's Avatar
MBWorld Fanatic!
 
Joined: Nov 2016
Posts: 1,208
Likes: 133
From: SLC, UT
c-fo-fiddy
Nah man, you can, within reason, run any tires you want. 4MATIC people have to run the correct sizes though as if you run a staggered setup and blow your center diff, Benz isn't going to cover that or anything else. But most shops won't even install such setups on AWD vehicles as they don't want to be liable.

Also, I always suggest to people on a lease to not put more than a few thousand miles on the OEM run-flats and to shelve them for when you turn the car back in. Reason being that run flats are expensive, perform terribly, ride even worse, and wear out extremely quick. So if you're going to have to buy tires, get some quality performance tires and save the crap ones for returning the car with.
Reply
Old Jan 19, 2018 | 03:20 PM
  #4  
Mikey53's Avatar
MBWorld Fanatic!
Veteran: Air Force
10 Year Member
Liked
Loved
 
Joined: Nov 2015
Posts: 1,193
Likes: 302
From: Oklahoma
2016 C300 4Matic traded in for a 2022 E450 Coupe
Originally Posted by sean1.8t
Nah man, you can, within reason, run any tires you want. 4MATIC people have to run the correct sizes though as if you run a staggered setup and blow your center diff, Benz isn't going to cover that or anything else. But most shops won't even install such setups on AWD vehicles as they don't want to be liable.

Also, I always suggest to people on a lease to not put more than a few thousand miles on the OEM run-flats and to shelve them for when you turn the car back in. Reason being that run flats are expensive, perform terribly, ride even worse, and wear out extremely quick. So if you're going to have to buy tires, get some quality performance tires and save the crap ones for returning the car with.
+1 I had the dealer swap out the OEM runflats for AS as part of the purchase deal.
Reply
Old Mar 5, 2018 | 07:43 PM
  #5  
goldbee's Avatar
Newbie
 
Joined: Feb 2018
Posts: 6
Likes: 1
Porsche 997; Subaru STi; Mercedes C300 Wagon
Assuming the right size tires/wheels are swapped in, will swapping out the runflats and a different set of wheels trigger any warning message on the dash ? Do I need to reset anything ?
I assume there aren't any TPMS sensor in the factory wheels ?
Reply
Old Mar 5, 2018 | 08:16 PM
  #6  
pdeacon's Avatar
MBWorld Fanatic!
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Feb 2015
Posts: 1,015
Likes: 342
From: Cape Cod
E450 wagon, C43 AMG Cpe, GLE AMG 63S
Originally Posted by goldbee
Assuming the right size tires/wheels are swapped in, will swapping out the runflats and a different set of wheels trigger any warning message on the dash ? Do I need to reset anything ?
I assume there aren't any TPMS sensor in the factory wheels ?
There are TPMS sensors in the factory wheels. If you swap rims and don't use TPMS sensors you will get a dash warning light. If you are going through the effort of swapping wheels and tires you might as well go for the sensors and do the job completely.
Reply
Old Mar 26, 2018 | 10:10 PM
  #7  
SidE2's Avatar
Junior Member
Veteran: Air Force
15 Year Member
Liked
Community Favorite
 
Joined: Jul 2010
Posts: 45
Likes: 14
From: The DMV
2019 E450 Coupe; 2019 E300 Sedan, 2019 Volvo XC90
Different sized tires w/4MATIC

Originally Posted by sean1.8t
Nah man, you can, within reason, run any tires you want. 4MATIC people have to run the correct sizes though as if you run a staggered setup and blow your center diff, Benz isn't going to cover that or anything else. But most shops won't even install such setups on AWD vehicles as they don't want to be liable.

Also, I always suggest to people on a lease to not put more than a few thousand miles on the OEM run-flats and to shelve them for when you turn the car back in. Reason being that run flats are expensive, perform terribly, ride even worse, and wear out extremely quick. So if you're going to have to buy tires, get some quality performance tires and save the crap ones for returning the car with.
I just replaced my Continental ProContact run flats with Continental ExtremeContact DWS06s (thought about Pilot Sport A/S3+s, but have had good luck with Extremes since before they introduced the DWs and DWSs, and they were about $20/tire less expensive than the Michelins). At any rate, the difference in handing, steering response, and ride quality vs. the run flats has been night and day. Even my wife noticed the smoother ride from the passenger seat .

At any rate, the DWS06s in the right size for the front (225/45ZR18) have an SL load range 91Y rating, which is apparently too low for this car. As a result, I bought my DWS06s in 235/45ZR18s (98Y XL) for the front and 255/40ZR18s (99Y XL) (vice 245/40s) for the rear. The diameters are 26.3" front/26.0" rear (vs. 26.0/25.7" for the 225/245 combination), therefore, I'd assume minimal effect on the center differential. The difference in the diameters, BTW, is approx 1.2%, so the speedo now runs 0.7 mph slow - not a big deal.

Am I making a good assumption that this modest size increase will not affect the center differential, or should I consider taking advantage of Tire Buyer's 45 day satisfaction return policy and trade them for Pilot Sport A/S 3+s in 225/245 instead?
Reply

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 


You have already rated this thread Rating: Thread Rating: 0 votes,  average.


All times are GMT -4. The time now is 05:46 PM.

story-0
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-1
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-2
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-3
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-4
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-5
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-6
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE
story-7
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

Slideshow: These overlooked Mercedes-Benz models never got the spotlight, but they quietly delivered more than most remember.

By Verdad Gallardo | 2026-04-13 19:35:45


VIEW MORE
story-8
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

Slideshow: A well-used 1991 Mercedes-Benz 300D with more than one million miles is now looking for a new owner, and it still appears ready for more.

By Verdad Gallardo | 2026-04-10 10:05:15


VIEW MORE
story-9
10 Most Reliable Mercedes-Benz Models You Can Buy Used

Slideshow: From bulletproof sedans to surprisingly tough SUVs, these Mercedes models proved that the three-pointed star can go the distance.

By Verdad Gallardo | 2026-04-08 09:55:49


VIEW MORE