GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

GL450 - big improvement swapped stock 19" for 22"

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Old Nov 3, 2011 | 12:20 PM
  #1  
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GL450 CLS500
GL450 - big improvement swapped stock 19" for 22"

Thanks to forum member wlee69 for a smooth transaction considering the wheels were shipped from Massachusetts to Calgary, Alberta. Big improvement in my opinion considering I never liked the look of the stock 19" wheels.

Wheels are 22X10 ET50 replica AMG wheels with gray colored accents and the tires are new Michelin Latitude 295/40/22 tires.

Before:


After:

Last edited by ObssedOne; Nov 3, 2011 at 12:29 PM.
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Old Nov 3, 2011 | 12:39 PM
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They look great.

Does anybody know if there's much difference in strength between replicas and OEM? My only worry is the replicas may be made of softer material and more prone to bending??? However, even if they bend, they are much cheaper to replace.
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Old Nov 3, 2011 | 12:54 PM
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Originally Posted by FastMoneyPlaya
They look great.

Does anybody know if there's much difference in strength between replicas and OEM? My only worry is the replicas may be made of softer material and more prone to bending??? However, even if they bend, they are much cheaper to replace.
I think the max load ratings on these is 960kg or something like that, which is pretty close to OEM spec. If' you're worried about bending, keep the tire pressure higher at 45 or so. You get better fuel economy at higher pressure too. Problem is that they tend to vibrate a little more and you feel the road more with higher pressure.
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Old Nov 3, 2011 | 01:25 PM
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Originally Posted by ddcha
I think the max load ratings on these is 960kg or something like that, which is pretty close to OEM spec. If' you're worried about bending, keep the tire pressure higher at 45 or so. You get better fuel economy at higher pressure too. Problem is that they tend to vibrate a little more and you feel the road more with higher pressure.
Not true my friend. The higher pressure will make the rim bend EASIER.

Simple physics, high pressure, make the sidewalls stiffer, transmitting MORE force on the rim. Lower pressure allows the sidewalls to flex, absorbing the force.

By the way, OP, how bad did it hurt the ride quailty?

I only ask as my roads are ****ty, and anything over a 19" is death here in Pittsburgh.

PS: It certainly looks MUCH better
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Old Nov 3, 2011 | 01:52 PM
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I have not put a bunch of miles on them yet but I am surprised about how little difference there is in the ride quality. No were near the difference I felt when I changed the stock 18" on the CLS to AMG 19"
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Old Nov 3, 2011 | 03:38 PM
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Looks awesome.
I think this is the best 22" you can get for GL. The wheels were bought originally from Jerry at MyMercedes.com and I think he is the only guy, who can be trusted if you need aftermarket wheels for your GL. I, originally, wanted to buy the same wheels, but decided to stay with my oem 20" wheels for now and changed Run Flats to regular tires. I will definitely change 20" to 22" on my new 2014 model GL.

Last edited by aeggroup; Nov 4, 2011 at 07:52 AM.
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Old Nov 3, 2011 | 07:39 PM
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Those look great, better than stock for sure, and best of all, you guys that trade out generally give me great deals on your old rims. I especially like when you trade them out on new vehicles and I can get new rims and tires for the price of the tires.
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Old Nov 3, 2011 | 08:18 PM
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Originally Posted by 50ae
Those look great, better than stock for sure, and best of all, you guys that trade out generally give me great deals on your old rims. I especially like when you trade them out on new vehicles and I can get new rims and tires for the price of the tires.

That doessn't happen much around here as most people have two sets of wheels. I'll be putting the stock 19" wheels back on for the winter
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Old Nov 3, 2011 | 11:28 PM
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they look good - what did you pay?
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Old Nov 3, 2011 | 11:56 PM
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Looks good and it handles so much better. Mileage will suffer though.
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Old Nov 4, 2011 | 07:52 AM
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Originally Posted by BlownV8
Looks good and it handles so much better. Mileage will suffer though.
Why ?
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Old Nov 4, 2011 | 08:01 AM
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Originally Posted by MRAMG1
Not true my friend. The higher pressure will make the rim bend EASIER.

Simple physics, high pressure, make the sidewalls stiffer, transmitting MORE force on the rim. Lower pressure allows the sidewalls to flex, absorbing the force.

By the way, OP, how bad did it hurt the ride quailty?

I only ask as my roads are ****ty, and anything over a 19" is death here in Pittsburgh.

PS: It certainly looks MUCH better
I think you're incorrect, but that's just me I guess. When you hit the occasional LARGE pothole, my main concern is that the force is so hard that the wheel hits the pavement with rubber in between but no air. Having higher pressure will reduce that chance.
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Old Nov 4, 2011 | 08:05 AM
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Originally Posted by aeggroup
Why ?
because they are heavier. it takes more to get rolling from a stop and takes more braking to bring to a stop. If you do some reading on "unsprung mass", you should get a more thorough explanation.
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Old Nov 4, 2011 | 08:20 AM
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2011 GL450 P2, Appearance Pkg, Leather. 2012 C250, P1, Sport, AMG Wheels, Panorama Sunroof.
How much and where did you purchase them?
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Old Nov 4, 2011 | 08:38 AM
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Originally Posted by ddcha
I think you're incorrect, but that's just me I guess. When you hit the occasional LARGE pothole, my main concern is that the force is so hard that the wheel hits the pavement with rubber in between but no air. Having higher pressure will reduce that chance.
It doesn't work like that my friend. The air in the tire actually acts like a spring rating. More air, the higher the spring rating. Think of it as an air mattress. Pump it up high, and you bounce right off. Pump it up low, and you mush into the mattress. For what you are talking about, no matter what air pressure you have, if the tire is like a rubber band, the rim is going to hit.


Originally Posted by ddcha
because they are heavier. it takes more to get rolling from a stop and takes more braking to bring to a stop. If you do some reading on "unsprung mass", you should get a more thorough explanation.
Dead on heavier rims/tires will cause you to loose some acceleration and mileage. Again simple physics. More mass, is harder to get rolling.
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Old Nov 4, 2011 | 09:50 AM
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Originally Posted by MRAMG1
It doesn't work like that my friend. The air in the tire actually acts like a spring rating. More air, the higher the spring rating. Think of it as an air mattress. Pump it up high, and you bounce right off. Pump it up low, and you mush into the mattress. For what you are talking about, no matter what air pressure you have, if the tire is like a rubber band, the rim is going to hit.
Thanks my friend. I still think you are incorrect. I know that the air acts as a spring. more air, more spring rating is correct. But that higher spring rating stresses the suspension more than the wheel I think. Bent rims are usually a result of the tire bottoming out against the rim when hit extremely hard. Higher spring rating will reduce the chances of that happening, while increasing stress on the suspension and making for a less comfortable ride.
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Old Nov 4, 2011 | 10:10 AM
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Originally Posted by ddcha
Thanks my friend. I still think you are incorrect. I know that the air acts as a spring. more air, more spring rating is correct. But that higher spring rating stresses the suspension more than the wheel I think. Bent rims are usually a result of the tire bottoming out against the rim when hit extremely hard. Higher spring rating will reduce the chances of that happening, while increasing stress on the suspension and making for a less comfortable ride.
That's been my experience too. Lower pressure on a low profile tire will cause the rim to absorb the impact rather than the tire and suspension. That's also the consensus when I did a search.
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Old Nov 4, 2011 | 10:12 AM
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Originally Posted by BlownV8
That's been my experience too. Lower pressure on a low profile tire will cause the rim to absorb the impact rather than the tire and suspension. That's also the consensus when I did a search.
I also agree with that ..
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Old Nov 4, 2011 | 11:09 AM
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Originally Posted by ddcha
Thanks my friend. I still think you are incorrect. I know that the air acts as a spring. more air, more spring rating is correct. But that higher spring rating stresses the suspension more than the wheel I think. Bent rims are usually a result of the tire bottoming out against the rim when hit extremely hard. Higher spring rating will reduce the chances of that happening, while increasing stress on the suspension and making for a less comfortable ride.
Originally Posted by BlownV8
That's been my experience too. Lower pressure on a low profile tire will cause the rim to absorb the impact rather than the tire and suspension. That's also the consensus when I did a search.
Originally Posted by aeggroup
I also agree with that ..
Okay, I think we are saying differnt statments here.

1. Are you refering to the rim actually making contact with the road?

2. Or, are you refering to the impact of the tire with a bump/ditch/speed bump effecting the rim.

If it is 1, then I would agree that HIGHER pressure would lessen this chance as the tire would not roll over as much do to the higher pressure/spring rate.

If it is 2, then you would want LOWER pressure to lessen the impact force on the rim.

By the way, I would be MORE concerned with 2 in my state

Thanks PA

Edit: In a HIGH speed impact, more air would prevent the tire from bottoming out, aka making physical contact as was stated above.

Less air is going to lesson the impact to the rim, but will NOT prevent bottoming out obviously. So I guess in a nut shell, take your pick with those rubber bands, cause either way sooner or later she will bend, IMHO.

just pick your poison as to which obstacle you plan on hitting more often.

Last edited by MRAMG1; Nov 4, 2011 at 11:19 AM.
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Old Nov 4, 2011 | 12:21 PM
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Looks absolutely like a different truck..nice move
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Old Nov 4, 2011 | 12:46 PM
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They look amazing - good work!
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Old Nov 4, 2011 | 05:48 PM
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For the part of the crowd that is interested in the difference in weight, the stock 19" wheels and 275/55/19 bridgestone tires weigh 70.7 lbs. each. I did not weigh the 22" wheels before I put them on but the weight packaged up for FedEx was 78.6 lbs. Subtract a pound or two or packing and the net difference is around 6 lbs each.

Last edited by ObssedOne; Nov 4, 2011 at 05:50 PM.
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Old Nov 4, 2011 | 06:31 PM
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Originally Posted by ObssedOne
For the part of the crowd that is interested in the difference in weight, the stock 19" wheels and 275/55/19 bridgestone tires weigh 70.7 lbs. each. I did not weigh the 22" wheels before I put them on but the weight packaged up for FedEx was 78.6 lbs. Subtract a pound or two or packing and the net difference is around 6 lbs each.
I apologize for the off topic thread in your thread

I still say she looks GREAT

And as far as mileage or acceleration, come on she is a 5K+lb beast so who really cares, IMHO.

I do not expect a GL breaking any MB 1/4 mile records in the near future

Or 20MPG soon

PS: Love your kid in the photo as mine go absolutely nuts in the car, LOL
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Old Nov 4, 2011 | 08:54 PM
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Originally Posted by MRAMG1
I do not expect a GL breaking any MB 1/4 mile records in the near future

Or 20MPG soon

PS: Love your kid in the photo as mine go absolutely nuts in the car, LOL
GL63 AMG is coming so the 1/4 mile comment is a bit off as is the comment about 20 MPG. The GL350 & GL320 already gets 20 MPG or more.
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Old Nov 5, 2011 | 07:06 AM
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Originally Posted by BlownV8
GL63 AMG is coming so the 1/4 mile comment is a bit off as is the comment about 20 MPG. The GL350 & GL320 already gets 20 MPG or more.
It was a joke for the increase in mass from the rims

Lighten up a little sunshine
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