Pics of my new wheels/tires
Newbie
Joined: Apr 2006
Posts: 14
Likes: 0
From: Boston, MA
'10 E550C
Have you thought of the new 2013 SL or E63 wheels (the 19" twin five spoke ones). Good match for your setup: 255 fronts and 285 backs at 19". Do not know whether the offset fitment will work, though. The mechanic I spoke at MB Boston, seems to think that the E63s should fit.
Worth looking into it, albeit not cheap.
Anyway love your car. Just got mine last week: '10 E550 Coupe, Palladium Silver/black interior w P2 + Appearance pkg.
Worth looking into it, albeit not cheap.
Anyway love your car. Just got mine last week: '10 E550 Coupe, Palladium Silver/black interior w P2 + Appearance pkg.
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Looks likely that I'll be purchasing a set of BBS CH-R in silver. They have the right size, bolt pattern, and offset (40 front, 45 rear) so that I can get rid of the spacers.
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Have you thought of the new 2013 SL or E63 wheels (the 19" twin five spoke ones). Good match for your setup: 255 fronts and 285 backs at 19". Do not know whether the offset fitment will work, though. The mechanic I spoke at MB Boston, seems to think that the E63s should fit.
Worth looking into it, albeit not cheap.
Anyway love your car. Just got mine last week: '10 E550 Coupe, Palladium Silver/black interior w P2 + Appearance pkg.
Worth looking into it, albeit not cheap.
Anyway love your car. Just got mine last week: '10 E550 Coupe, Palladium Silver/black interior w P2 + Appearance pkg.
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Alrighty, then. Just ordered the BBS CH-R in Silver, 19x8.5 ET40 and 19x9.5 ET45. I hope they don't take long to come in. The current wheels are getting worse and I don't really drive my car any more. I could put the factory wheels back on but I'm just too lazy for that!
Super Member
Joined: Nov 2007
Posts: 574
Likes: 7
From: Hawaii, (Texas:business)
'12 E550C, Sierra Denali
Alrighty, then. Just ordered the BBS CH-R in Silver, 19x8.5 ET40 and 19x9.5 ET45. I hope they don't take long to come in. The current wheels are getting worse and I don't really drive my car any more. I could put the factory wheels back on but I'm just too lazy for that!
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Here's my last update on this thread:
I placed my order through the Vivid Racing website this morning as they had the best price I could find online. When I called later to find out if the wheels were actually in stock, I learned they did not have the rears and there would be a three-week wait. Since I can't really drive my car right now, this was unacceptable. My Edge is okay, but I miss my Benz!
Just out of curiosity, I decided to call Tire Rack. Their website didn't show they had the wheels in my size, but what's a few minutes on the phone, right? Turns out they had them in stock and on sale for the same price as Vivid. Plus, their shipping charges were cheaper (by $10) and they are throwing in the proper lug bolts (conical) for free.
I cancelled the Vivid order and bought them through Tire Rack. The salesman said they should arrive on Wednesday so I'm making an appointment to get them put on Friday morning. I am a little nervous as they are a bit "louder" than I was looking for, but I think they will look great. I'll post up pics as soon as they are installed.
I placed my order through the Vivid Racing website this morning as they had the best price I could find online. When I called later to find out if the wheels were actually in stock, I learned they did not have the rears and there would be a three-week wait. Since I can't really drive my car right now, this was unacceptable. My Edge is okay, but I miss my Benz!
Just out of curiosity, I decided to call Tire Rack. Their website didn't show they had the wheels in my size, but what's a few minutes on the phone, right? Turns out they had them in stock and on sale for the same price as Vivid. Plus, their shipping charges were cheaper (by $10) and they are throwing in the proper lug bolts (conical) for free.
I cancelled the Vivid order and bought them through Tire Rack. The salesman said they should arrive on Wednesday so I'm making an appointment to get them put on Friday morning. I am a little nervous as they are a bit "louder" than I was looking for, but I think they will look great. I'll post up pics as soon as they are installed.
Super Member
Joined: Nov 2007
Posts: 574
Likes: 7
From: Hawaii, (Texas:business)
'12 E550C, Sierra Denali
Here's my last update on this thread:
I placed my order through the Vivid Racing website this morning as they had the best price I could find online. When I called later to find out if the wheels were actually in stock, I learned they did not have the rears and there would be a three-week wait. Since I can't really drive my car right now, this was unacceptable. My Edge is okay, but I miss my Benz!
Just out of curiosity, I decided to call Tire Rack. Their website didn't show they had the wheels in my size, but what's a few minutes on the phone, right? Turns out they had them in stock and on sale for the same price as Vivid. Plus, their shipping charges were cheaper (by $10) and they are throwing in the proper lug bolts (conical) for free.
I cancelled the Vivid order and bought them through Tire Rack. The salesman said they should arrive on Wednesday so I'm making an appointment to get them put on Friday morning. I am a little nervous as they are a bit "louder" than I was looking for, but I think they will look great. I'll post up pics as soon as they are installed.
I placed my order through the Vivid Racing website this morning as they had the best price I could find online. When I called later to find out if the wheels were actually in stock, I learned they did not have the rears and there would be a three-week wait. Since I can't really drive my car right now, this was unacceptable. My Edge is okay, but I miss my Benz!
Just out of curiosity, I decided to call Tire Rack. Their website didn't show they had the wheels in my size, but what's a few minutes on the phone, right? Turns out they had them in stock and on sale for the same price as Vivid. Plus, their shipping charges were cheaper (by $10) and they are throwing in the proper lug bolts (conical) for free.
I cancelled the Vivid order and bought them through Tire Rack. The salesman said they should arrive on Wednesday so I'm making an appointment to get them put on Friday morning. I am a little nervous as they are a bit "louder" than I was looking for, but I think they will look great. I'll post up pics as soon as they are installed.
I must add that your 255/285 combo and offset work was great pioneering for the rest of us.
Thanks! What's the difference in speedo vs. actual speed?
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
I asked my MB service tech about calibrating the speedometer (before I actually installed the new tires) and he said there was no need to. It kind of begs the question: with all the tight integration, does the computer verify pulse readings aginst the GPS and adjust automatically? Or is my "observation" of the speedometer and sign a little off? I plan to ask the tech when I take my car in for its 10K service.
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Super Member
Joined: Nov 2007
Posts: 574
Likes: 7
From: Hawaii, (Texas:business)
'12 E550C, Sierra Denali
Good question. Mathematically calculated, the speedometer should read 58.36 @ 60mph actual. However, I'm a little confused as there is a police radar speed sign that I've "confirmed" my speed against with both the old and new setup. No difference was observed.
I asked my MB service tech about calibrating the speedometer (before I actually installed the new tires) and he said there was no need to. It kind of begs the question: with all the tight integration, does the computer verify pulse readings aginst the GPS and adjust automatically? Or is my "observation" of the speedometer and sign a little off? I plan to ask the tech when I take my car in for its 10K service.
I asked my MB service tech about calibrating the speedometer (before I actually installed the new tires) and he said there was no need to. It kind of begs the question: with all the tight integration, does the computer verify pulse readings aginst the GPS and adjust automatically? Or is my "observation" of the speedometer and sign a little off? I plan to ask the tech when I take my car in for its 10K service.
Have the larger tires alleviated most of the traction problems?
Thanks!
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Straight line acceleration is still a problem, but I'm not squeaking my tires in 3rd gear anymore. The only real solution is to get a limited-slip diff, or 570mm rear tires, to get the full benefit of the rear tires.
Super Member
Joined: Nov 2007
Posts: 574
Likes: 7
From: Hawaii, (Texas:business)
'12 E550C, Sierra Denali
Alleviated? No. Improved? Yes! Cornering under power no longer delivers the oversteer I was experiencing - it's almost dead neutral with "spirited" accelerations, goes into slight understeer as you add a little more power, starts to drift straight with a hair more, and then goes into massive oversteer with the foot all the way down.
Straight line acceleration is still a problem, but I'm not squeaking my tires in 3rd gear anymore. The only real solution is to get a limited-slip diff, or 570mm rear tires, to get the full benefit of the rear tires.
Straight line acceleration is still a problem, but I'm not squeaking my tires in 3rd gear anymore. The only real solution is to get a limited-slip diff, or 570mm rear tires, to get the full benefit of the rear tires.
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Time to call and annoy them some more.
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Just for fun, I looked up the specific tire dimensions for the Continentals and the Pirellis. The difference is less than the size theoretical measurements I gave before.
The Pirelli PZero Nero All-Season are spec'd at 825 revolutions per mile. The Continentals in my size are spec'd at 811. That works out to 58.98 mph indicated at 60 mph actual. I doubt my foot/eyes are good enough to work out 1 mph with a radar speed sign. Hell, tire pressure could make up for 1mph!
The Pirelli PZero Nero All-Season are spec'd at 825 revolutions per mile. The Continentals in my size are spec'd at 811. That works out to 58.98 mph indicated at 60 mph actual. I doubt my foot/eyes are good enough to work out 1 mph with a radar speed sign. Hell, tire pressure could make up for 1mph!
Thread Starter
Senior Member
Joined: Jun 2012
Posts: 359
Likes: 5
From: Arlington, VA
2012 E550 Coupe
Pics of my new, new wheels are up. Check them out here: https://mbworld.org/forums/e-class-c...hopefully.html
Last edited by nawlinstornado; Oct 26, 2012 at 04:46 PM. Reason: Link added
