RENNTECH C74 mod for my 2010 C63 AMG
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C63 AMG modified to RENNTECH C74
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C63 AMG modified to RENNTECH C74
Thread Starter
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Joined: Sep 2011
Posts: 36
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C63 AMG modified to RENNTECH C74
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C63 AMG modified to RENNTECH C74
I've got a question -- I'm contemplating lowering my car to give it more aggressive look. However, I'm worried it will change the way the car drives, as well as making it less practical... or potentially hazardous. I'd love to hear your opinions. Thanks.
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From: www.Traben-Trarbach.de
MPG+ ROLFCOPTER
From the Renntech site:
Originally Posted by Renntech
:The complete C74 conversion kit includes our proprietary rear deck lid spoiler, rear diffuser package featuring distinctive exhaust tips, front and rear fender flares and wide body conversion kit. This combination increases the overall vehicle rear track width to 74” and allows for the ability to run up to an 11” wide rear wheel with a 315 series tire for the ultimate in handling and traction.
Here is how MB measures track width (and I choose to believe them)
Now I don't have figures for the offset and OEM axle/hub mods on a C63 because I'm way too lazy to STFF; but the std C63 is at the most 1" wider than the displayed 61" (F) / 61.1" (R) on the std W204.
Looking at that pic again it gives a front width of 69.7".
Now giving credit for about 3" each (to be verified) on the fender flares equates to a total of 75.7" (F). Tires are inside the flares. Adding a 0.1" (R) differential based on MB displayed width equals to 75.8" (R).
Now look at the fact that Renntech claims 315 sized tires will fit and the OP is running 305 sized tires; 305 mm = 12". The tires in the OPs pictures DO NOT stick out passed the fender flares.
Giving the benefit of the doubt and taking the overall estimated width (with Renntech fender flares) and using MB defined track width guidelines (after all Renntech is a recognized MB tuner and never would cheat on numbers
) there is absolutely no way that the track width is 74".
Last edited by amdeutsch; Sep 28, 2011 at 06:00 AM.
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'09 C63
So what happens when you put wider tires, like 11'' rims, and then have 2 heavy people in the back of your car or say 3?? Does the original fender hit the tire from the top, eventually hurting both the body and tire?
Will I have to shave off or cut the original fender if I want wider fenders molded or glued on and wanted wider tires?
Will I have to shave off or cut the original fender if I want wider fenders molded or glued on and wanted wider tires?
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C63 AMG modified to RENNTECH C74
Ready for a math lesson?
Here is how MB measures track width (and I choose to believe them)
Now I don't have figures for the offset and OEM axle/hub mods on a C63 because I'm way too lazy to STFF; but the std C63 is at the most 1" wider than the displayed 61" (F) / 61.1" (R) on the std W204.
Looking at that pic again it gives a front width of 69.7".
Now giving credit for about 3" each (to be verified) on the fender flares equates to a total of 75.7" (F). Tires are inside the flares. Adding a 0.1" (R) differential based on MB displayed width equals to 75.8" (R).
Now look at the fact that Renntech claims 315 sized tires will fit and the OP is running 305 sized tires; 305 mm = 12". The tires in the OPs pictures DO NOT stick out passed the fender flares.
Giving the benefit of the doubt and taking the overall estimated width (with Renntech fender flares) and using MB defined track width guidelines (after all Renntech is a recognized MB tuner and never would cheat on numbers) there is absolutely no way that the track width is 74".
Here is how MB measures track width (and I choose to believe them)
Now I don't have figures for the offset and OEM axle/hub mods on a C63 because I'm way too lazy to STFF; but the std C63 is at the most 1" wider than the displayed 61" (F) / 61.1" (R) on the std W204.
Looking at that pic again it gives a front width of 69.7".
Now giving credit for about 3" each (to be verified) on the fender flares equates to a total of 75.7" (F). Tires are inside the flares. Adding a 0.1" (R) differential based on MB displayed width equals to 75.8" (R).
Now look at the fact that Renntech claims 315 sized tires will fit and the OP is running 305 sized tires; 305 mm = 12". The tires in the OPs pictures DO NOT stick out passed the fender flares.
Giving the benefit of the doubt and taking the overall estimated width (with Renntech fender flares) and using MB defined track width guidelines (after all Renntech is a recognized MB tuner and never would cheat on numbers
) there is absolutely no way that the track width is 74".Last edited by amdeutsch; Sep 28, 2011 at 06:00 AM.
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C63 AMG modified to RENNTECH C74
So what happens when you put wider tires, like 11'' rims, and then have 2 heavy people in the back of your car or say 3?? Does the original fender hit the tire from the top, eventually hurting both the body and tire?
Will I have to shave off or cut the original fender if I want wider fenders molded or glued on and wanted wider tires?
Will I have to shave off or cut the original fender if I want wider fenders molded or glued on and wanted wider tires?
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From: Bay Area, CA
2010 C63, 2007 X5
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C63 AMG modified to RENNTECH C74
Yes, please upload the manual. I heard that the exhaust tips are attached to the Rear Diffuser. Is that true? Did you cut your AMG tips? This is your car right? http://news.renntechmercedes.com/201...ermarket-show/
Hope these give you better ideas on the mod.
I'm surprise after spending over $15K USD Renntech didn't give you C74 badges..
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C63 AMG modified to RENNTECH C74
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'09 C63
Yea bro it would really be appreciated if you were able to upload the manual and shed some insight about the fender modification..
ALSO, are the 4 exhausts all connected? Or is it just a cosmetic mod? And since they are stuck to the carbon fiber, can the heat cause the diffuser to melt a bit? I know my friend who had an Audi S5 with a custom diffuser faced that issue 2 days after installing it..
Thanks,
Nayef
ALSO, are the 4 exhausts all connected? Or is it just a cosmetic mod? And since they are stuck to the carbon fiber, can the heat cause the diffuser to melt a bit? I know my friend who had an Audi S5 with a custom diffuser faced that issue 2 days after installing it..
Thanks,
Nayef
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From: Brunei
C63 AMG P30 + OE Tuning
cosmiciron: congrats on modding your C63 with renntech!!! love it!! every single bit of it.. however would probably opt the akrapovic tip on this setup.. but anyways.. its gorgeous! do keep us updated on your future mods.. your wheels are pretty interesting and i just in awe at the rear wheel arches along with the rear cf diffuser kit!
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Joined: Sep 2011
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C63 AMG modified to RENNTECH C74
Yea bro it would really be appreciated if you were able to upload the manual and shed some insight about the fender modification..
ALSO, are the 4 exhausts all connected? Or is it just a cosmetic mod? And since they are stuck to the carbon fiber, can the heat cause the diffuser to melt a bit? I know my friend who had an Audi S5 with a custom diffuser faced that issue 2 days after installing it..
Thanks,
Nayef
ALSO, are the 4 exhausts all connected? Or is it just a cosmetic mod? And since they are stuck to the carbon fiber, can the heat cause the diffuser to melt a bit? I know my friend who had an Audi S5 with a custom diffuser faced that issue 2 days after installing it..
Thanks,
Nayef
File 1:
File Name: C63 Front Fender Flare Instructions booklet.pdf
Description: C74 installation manual
File Size: 2.6 MB
Download Link: http://www.sendspace.com/file/us5sxl
File 2:
File Name: C63 Front Splitter Instructions booklet.pdf
Description: C74 installation manual
File Size: 1.1 MB
Download Link: http://www.sendspace.com/file/5fws2y
File 3:
File Name: C63 Rear Decklid Spoiler Instructions booklet.pdf
Description: C74 installation manual
File Size: 454.3 KB
Download Link: http://www.sendspace.com/file/kucz5x
File 4:
File Name: C63 Rear Diffuser Instructions booklet.pdf
Description: C74 installation manual
File Size: 2.4 MB
Download Link: http://www.sendspace.com/file/f3n8ko
File 5:
File Name: C63 Rear Fender Flare Instructions booklet.pdf
Description: C74 installation manual
File Size: 5.2 MB
Download Link: http://www.sendspace.com/file/ec6amp
Thread Starter
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C63 AMG modified to RENNTECH C74
cosmiciron: congrats on modding your C63 with renntech!!! love it!! every single bit of it.. however would probably opt the akrapovic tip on this setup.. but anyways.. its gorgeous! do keep us updated on your future mods.. your wheels are pretty interesting and i just in awe at the rear wheel arches along with the rear cf diffuser kit!
I love the wheels too, although I wish I ordered the 20" ones instead. As it is, the wheels look a bit on the small side because the center of the wheel is so deep inside. And the red strip further reduces the perceived size...
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C63 AMG modified to RENNTECH C74
You have no idea how much I miss the roads in the States...
