Crack in my Forgestar F14
MBWorld Fanatic!
Joined: Jun 2011
Posts: 3,318
Likes: 171
From: Silicon Valley, CA
C63 AMG, P30
MBWorld Fanatic!
Joined: Nov 2012
Posts: 2,768
Likes: 419
'10 C63
Factory wheels are made by the same companies that make aftermarket. The same as any component on the car unless you buy a Koeniggsegg. The stock 18 inch 5 spokes are made by Borbet. My dad has a W211 E550 and the stock wheels kept bending. They were made by Ronal I think. Aftermarket wheels are fine. Just do research first.
Super Member
Joined: Apr 2010
Posts: 609
Likes: 38
From: Arizona
2011 C63
Factory wheels are made by the same companies that make aftermarket. The same as any component on the car unless you buy a Koeniggsegg. The stock 18 inch 5 spokes are made by Borbet. My dad has a W211 E550 and the stock wheels kept bending. They were made by Ronal I think. Aftermarket wheels are fine. Just do research first.
MBWorld Fanatic!
Joined: Jun 2011
Posts: 3,318
Likes: 171
From: Silicon Valley, CA
C63 AMG, P30
Thanks for the info. But what concerns me the most is that the wheel in this thread was forged and should have never broken. The hit required to break this wheel should have been great enough to bend the rim. Maybe Forgestar is bending the truth a little when they say these are forged wheels. For example, the term flow forged means that they start with a casting and just flow form the rim part, the spokes are still just a casting. In the end I'm just sticking with the factory rim, it's a little heavy, but it's plenty strong. And heck it's a nice looking rim.
Chrisridebike is right. Factory wheels are often made by companies like BBS, Ronal, Borbet, and will bend/crack just like aftermarket ones will. OE wheels are heavy because being cast, they lack the strength which means they need more metal to equal the strength of a lighter weight forged wheel.
The real danger in terms of aftermarket wheels is light and cheap wheels.
Forging, as a process, costs more than casting. Having a light cast wheel that's cheap is just a recipe for disaster.
If you want a somewhat sturdy yet cheaper wheel, stay with an OE wheel or heavy aftermarket wheel which'll provide the strength that their lightweight counterparts cannot.
Stolen from M3Forum: "The Golden Rule of Wheels: Light, Cheap, Strong. Pick two."
Super Member
Joined: Apr 2010
Posts: 609
Likes: 38
From: Arizona
2011 C63
Like you said, these wheels aren't forged. They're flow formed which is like a hybrid form of casting and forging, closer to casting in my opinion.
Chrisridebike is right. Factory wheels are often made by companies like BBS, Ronal, Borbet, and will bend/crack just like aftermarket ones will. OE wheels are heavy because being cast, they lack the strength which means they need more metal to equal the strength of a lighter weight forged wheel.
The real danger in terms of aftermarket wheels is light and cheap wheels.
Forging, as a process, costs more than casting. Having a light cast wheel that's cheap is just a recipe for disaster.
If you want a somewhat sturdy yet cheaper wheel, stay with an OE wheel or heavy aftermarket wheel which'll provide the strength that their lightweight counterparts cannot.
Stolen from M3Forum: "The Golden Rule of Wheels: Light, Cheap, Strong. Pick two."
Chrisridebike is right. Factory wheels are often made by companies like BBS, Ronal, Borbet, and will bend/crack just like aftermarket ones will. OE wheels are heavy because being cast, they lack the strength which means they need more metal to equal the strength of a lighter weight forged wheel.
The real danger in terms of aftermarket wheels is light and cheap wheels.
Forging, as a process, costs more than casting. Having a light cast wheel that's cheap is just a recipe for disaster.
If you want a somewhat sturdy yet cheaper wheel, stay with an OE wheel or heavy aftermarket wheel which'll provide the strength that their lightweight counterparts cannot.
Stolen from M3Forum: "The Golden Rule of Wheels: Light, Cheap, Strong. Pick two."
MB World Stories
The Best of Mercedes & AMG
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
10 Most Reliable Mercedes-Benz Models You Can Buy Used
Verdad Gallardo
Junior Member
Joined: Jun 2015
Posts: 71
Likes: 2
09 C63 AMG
What do you expect from a company called "FORGEstar" that sells wheels that are not forged?
As it is very obvious in this and other threads, the company's name manages to mislead a lot of people into thinking these wheels are forged. That is one of the reasons I would never buy wheels from a company like that that uses such a dirty misleading approach to selling their crappy cheap wheels.
As it is very obvious in this and other threads, the company's name manages to mislead a lot of people into thinking these wheels are forged. That is one of the reasons I would never buy wheels from a company like that that uses such a dirty misleading approach to selling their crappy cheap wheels.
MBWorld Fanatic!
Joined: Aug 2009
Posts: 2,899
Likes: 93
C63 AMG
Looks like two people each cracked two OE wheels here. Time to tar and feather the factory.
https://mbworld.org/forums/c63-amg-w...ck-18-rim.html
https://mbworld.org/forums/c63-amg-w...ck-18-rim.html
MBWorld Fanatic!
Joined: Nov 2012
Posts: 2,768
Likes: 419
'10 C63
Yeah. The stock 19 inch multispokes are known to be weaker than most. Like I said before, just research what wheels you are running, stock or aftermarket. We are all on the forums to be educated about the cars we love and make informed decisions on maintenance and modifications. We can blame companies left and right but ultimately it's the responsibility of the owner to decide what goes on his or her car and what does not. And if you are the first with a problem or a failure, it's almost your reaponsibility (in my opinion) to get that info out there to help others make their decisions. Enjoy your cars, people! No one's telling you to put forgestars on your car if you don't want to.
MBWorld Fanatic!
Joined: Nov 2012
Posts: 2,768
Likes: 419
'10 C63
