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225/45/18 ET33 fits our vehicle?
Hello guys, hope I didn't do any mistake of wasting any money.
here are the wheels and tire specs: 225/45/18X7.5ET33 for the fronts and 245/40/18X8.5ET49 for the rears. Also, It says RONAL on one of the spoke, meaning it is aftermarket or OEM? (https://mbworld.org/forums/c63-amg-w...em-wheels.html) Pirelli P7 Cinturato A/S run flats came off of 2018 C43 around 1000miles on it. https://cimg4.ibsrv.net/gimg/www.mbw...63152c51a7.jpg https://cimg5.ibsrv.net/gimg/www.mbw...0364253944.jpg https://cimg6.ibsrv.net/gimg/www.mbw...9df794fc8f.jpg https://cimg8.ibsrv.net/gimg/www.mbw...34e81c4730.jpg https://cimg7.ibsrv.net/gimg/www.mbw...0bd7fabb35.jpg https://cimg0.ibsrv.net/gimg/www.mbw...b2047f0af9.jpg https://cimg1.ibsrv.net/gimg/www.mbw...3e4bea3669.jpg have these weird inscriptions.! https://cimg0.ibsrv.net/gimg/www.mbw...2afbde3827.jpg TIA. |
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These are OEM MB wheels. Mercedes does not manufacture its wheels. Germany's Ronal is one of the main Mercedes OEM wheel manufacturers. (Cromodora and OZ are the other two main ones).
Wheels and tires do fit E350 (but may not fit front of E550 2012-14 sedans) and can be used on 4matic. (Personally, I would not use narrower wheels and tires, but the question were: do these fit? - yes and are these OEM? - yes). |
The OEM "fat 5" wheels for my E500 4M were Ronal, as manufactured for MB. threeMBs is correct.
Do the fronts not fit? |
Originally Posted by KEY08
(Post 7590399)
The OEM "fat 5" wheels for my E500 4M were Ronal, as manufactured for MB. threeMBs is correct.
Do the fronts not fit? |
Originally Posted by KEY08
(Post 7590399)
Do the fronts not fit?
Will be close for 550TT, so may or may not fit due to 550's huge front caliper, all depends on design of wheels' inner spokes as related to caliper. |
discount tire rejected because of load factor. E-class got 99H and this C43 got 97h for the rear is one reason.
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I believe 97H with XL load is the base spec. I never heard of 99H for this car.
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he said, "I entered 2014 E350 4matic and pulled 17" setup and it shows 99H in my system, I asked my manager and he said NO, so, I have to say NO."
"I understand the current 17" ones are 95v and that is how they came from the factory, how my system shows it got to be 99H". The ones that came from C43 are 97H XL run flats A/S in the rear. is what he said. I want to do it on my own but before that, I would like to figure this out. I don't have a torque wrench to check 96 lbs. |
1. Go to any independent tire place for installation if you can not do it yourself. Chain stores often will not install underload tires due to liability. Dealer will not either.
2. Actually 97 XL rears from C43 IS the load spec for W212 when equipped with 18" wheels - 245/40-18 on all corners. 3. However, front load for 245/45-18 is "only" 95 XL hence I see them not wanting to install (but due to lower load for the fronts, not rears). 4. If your car is "sport", it came with 245/40-18 97XL stock, but if its "luxury" - then 245/45-17 which are 99XL. 5. In any case, 95XL front is 100% safe, I just would run a bit higher (2-3 lbs) front pressure than "recommended". |
Originally Posted by threeMBs
(Post 7590611)
1. Go to any independent tire place for installation if you can not do it yourself. Chain stores often will not install underload tires due to liability. Dealer will not either.
2. Actually 97 XL rears from C43 IS the load spec for W212 when equipped with 18" wheels - 245/40-18 on all corners. 3. However, front load for 225/45-18 is "only" 95 XL hence I see them not wanting to install (but due to lower load for the fronts, not rears). 4. If your car is "sport", it came with 245/40-18 97XL stock, but if its "luxury" - then 245/45-17 which are 99XL. 5. In any case, 95XL front is 100% safe, I just would run a bit higher (2-3 lbs) front pressure than "recommended". He specifically mentioned the rears though. Will call up another shop nearby. If I had the torque wrench (around 50+ dollars for 1 time use), I would've done it myself. |
Unfortunately, most shops would not use torque wrench, just the gun. Often, even after MB service, lug bolts are either under or over torqued. IMHO, a torque wrench is a must. It will almost pay for itself.
I would not use higher pressure upfront, in your specific case I would use 38-39 all around. |
Sorry for all of your issues, Raja. You don’t need to spend $50 on a torque wrench that can get you to 96 ft-lbs. A torque wrench is a staple of any DIY mechanic . In any event the wheels are really sharp looking and will transform the look of your E350. |
Originally Posted by raja777m
(Post 7590340)
here are the wheels and tire specs:
225/45/18X7.5ET33 for the fronts and 245/40/18X8.5ET49 for the rears. TIA. |
Thanks all for the insights.
Took to an indy shop which didn't care about the load. He assumed I verified all the info. They charged me 33$ for around 40mins job (which is very inexpensive IMO)..! 96lbs torque, 37psi all around. A big shout out to Keith and ThreeMBs. https://cimg1.ibsrv.net/gimg/www.mbw...892854b6ba.jpg https://cimg2.ibsrv.net/gimg/www.mbw...219348cfa8.jpg https://cimg3.ibsrv.net/gimg/www.mbw...75fef20b8e.jpg https://cimg4.ibsrv.net/gimg/www.mbw...5eeef35d26.jpg https://cimg5.ibsrv.net/gimg/www.mbw...12571769d2.jpg |
That looks fantastic! Since the tires are run flats, your ride may be a slight bit firmer due to the reinforced sidewalls. Nice!
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Originally Posted by KEY08
(Post 7591023)
That looks fantastic! Since the tires are run flats, your ride may be a slight bit firmer due to the reinforced sidewalls. Nice!
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