A CAST ALUMINUM WHEEL ON MY 2008 MERCEDES BENZ CLS63 AMG CRACKED DUE TO A CASTING DEFECT. IN THE INSIDE LIP OF THE RIM OF THE WHEEL AT THE OUTER DIAMETER IS A VOID, OR HOLE, THAT WAS CREATED BY A AN AIR BUBBLE THAT WAS ENTRAINED IN THE MOLTEN METAL BUT COULD NOT ESCAPE THE MOLD BEFORE THE METAL SOLIDIFIED. THIS VOID MAKES THE RADIUS OF THE WHEEL AT THAT POINT WEAK AND SUSCEPTIBLE TO CRACKING UNDER…
2008 Mercedes-Benz CLS-Class wheels problems
moderate 3 complaints filed with NHTSA · avg repair $400
Complaints
3
Recalls
0
Crashes
0
Avg fix
$400
What owners are reporting 3 most recent
A MERCEDES-BENZ 2008 CLS63 AMG HAS FOUR OEM CAST ALUMINUM WHEELS WITH LARGE CASTING DEFECTS IN THE FORM OF DEBRIS COLLECTED AT A KNIT LINE AROUND ITS CIRCUMFERENCE. THE OTHER THREE PICTURES SHOW THE KNIT LINE AS WELL AS MOLD DEBRIS. THE DEFORMITY, OR KNIT LINE, IS THE LOCATION WHERE THE TWO MOLD FRONTS MEET WHEN THE MOLD IS FILLED. ONE OF THESE DEFECTS LOOKS LIKE IT GOES ALL OF THE WAY THROUG…
MY VEHICLE HAD 9,000 MILES ON IT AND IS DRIVEN IN MODERATION. ONE OF THE RIMS NEEDED TO BE REPLACED BECAUSE IT WAS CRACKED - THE OTHER 3 ARE BENT. WITHIN 1,500 MILE, I HAVE LEARNED THAT THE REPLACED RIM IS NOW ALSO BENT. I AM CONCERNED ABOUT THE VEHICLE'S SAFTEY WHILE DRIVING AT FREEWAY SPEEDS - THE CAR SHAKES. THE MANUFACTURER REFUSES TO REPLACE THE WHEELS STATING NO DEFECTS OR RECALLS HAVE BEEN …
Common questions
How serious is the wheels problem on the 2008 Mercedes-Benz CLS-Class?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $400 and most owners catch it before it causes a breakdown.
At what mileage does the wheels typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $400 for wheels repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to wheels?
No active recalls currently cover wheels issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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