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2008 Mercedes-Benz AMG CLS63 Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
5
Latest Dec 8, 2016
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
3
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2008 Mercedes-Benz AMG CLS63, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Other / unspecified360.0%
  • Engine120.0%
  • Fuel system120.0%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Other / unspecified

Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.

3
reports

From owner reports, verbatim

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 NORMAL OPERATING CONDITIONS. I AM ENTERING THIS COMPLAINT REGARDING THE CASTING DEFECT IN ORDER TO PRESENT INFORMATION THAT PROVES MERCEDES-BENZ MUST REPLACE ONE WHEEL ON MY VEHICLE. THE USA CONSUMER ACTION HANDBOOK CONTACTING NHTSA IS SUGGESTED. THE HANDBOOK MADE ONE THING CLEAR, NHTSA LAW STATES, IF A SAFETY-RELATED DEFECT EXISTS, THE MAKER MUST FIX IT AT NO COST TO YOU, EVEN IF YOUR WARRANTY HAS EXPIRED. TO BE FAIR, I AM ONLY ASKING MERCEDES-BENZ REIMBURSE ME FOR THE UNSAFE WHEEL WITH A REFURBISHED ONE COSTING $450, RATHER THAN A NEW ONE COSTING $1200. HAVE FURTHER SUBSTANTIATION THAT MERCEDES-BENZ WHEELS ARE PRONE TO CRACKING: A STUDY OF NHTSA COMPLAINTS FROM 2000 THROUGH 2011 REVEALS THAT FOR MANUFACTURING DEFECTS IN WHEELS: AUDI HAD 1 COMPLAINT, CADILLAC HAD 2, BMW HAD 14, INCLUDING A RECALL CAMPAIGN FOR DEFECTIVE WHEELS (00V383000) MERCEDES-BENZ HAD 47. MB REPLACED A NUMBER OF THESE WHEELS THAT WERE OUT OF WARRANTY AS DESCRIBED IN NHTSA COMPLAINTS. AS DEFINED IN THE USA CONSUMER ACTION HANDBOOK THIS COMPRISES A WARRANTY, THEREFORE MY WHEEL IS COVERED ALSO. MB HAS A 1 YEAR / 12,000 MILE WARRANTY ON WHEELS. WHEELS ARE NOT COVERED UNDER THE BASIC BUMPER -TO- BUMPER WARRANTY AS ARE BY AUDI, BMW, GM, FORD, CHRYSLER, TOYOTA, HONDA, AND HYUNDAI. IN LIGHT OF ALL OF THIS EVIDENCE, AND THE LAW, PLEASE HAVE MB REIMBURSE ME $450. (MERCEDES-BENZ CUSTOMER SUPPORT, 3 MERCEDES-BENZ DRIVE, MONTVALE, NJ, 07645).

NHTSA ID 10554744 · filed Dec 4, 2013

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 THROUGH THE WHEEL. THIS ONE SHOULD LEAK AND SHOULD HAVE BEEN CAUGHT ON A LEAK TEST. WHEELS ARE SCRAP. THEY HAVE ANOTHER CASTING DEFECT FROM MOISTURE IN MOLTEN AL. WHEN CAST THE WATER BOILS AND OUTGASSES FORMING PITS ON THE SURFACE OF THE PART. THIS CAUSES WEAKNESS. IT SHOULD NOT HAPPEN. THE VEHICLES NOW HAS 53,000 MILES ON IT. THESE DEFECTS CREATE A WEAK SPOT ON THE WHEEL. WITH THE CONSTANT LOADING AND UNLOADING OF FORCE ON THE DEFECT A CRACK HAS DEVELOPED AND ENLARGED BY WAY OF FATIGUE. THE WHEELS HAVE BEEN DEFECTIVE FROM THE TIME OF MANUFACTURE AND HAVE BEEN UNSAFE AND WILL REMAIN UNSAFE AS LONG AS THEY ARE IN USE. THEY CANNOT BE REPAIRED. THEY MUST BE REPLACED. THEREFORE, I HAVE ASKED MBUSA TO RECALL THESE WHEELS AND REPLACE THEM AT MANUFACTURER'S EXPENSE. THEY DENIED RESPONSIBILITY STATING THE WHEELS ARE OUT OF WARRANTY. (WHEELS, IT TURNS OUT, ONLY CARRY A ONE YEAR, 12,000 MILE WARRANTY. THIS TELLS ME THAT MB IS AWARE OF THE PROBLEM AND IS TRYING TO SWEEP IT UNDER THE TABLE.) ACCORDING TO NHTSA COMPLAINT DATABASE ID # 103234408, THE OWNER IS HAVING REPEATED CRACKING PROBLEMS WITH THE IDENTICAL AUTO AT 9,000 MILES, WITHIN WARRANTY, AND MB WILL NOT REPLACE THEM. SINCE THESE DEFECTS ARE CAUSED BY THE MANUFACTURING PROCESS, NEARLY ALL OF THE CAST ALUMINUM WHEELS MADE BY THE SAME METHOD WILL HAVE THESE SAME DEFECTS. (WHAT ARE THE ODDS THAT ALL FOUR WHEELS ON ONE CAR HAVE THIS DEFECT?) *TR

NHTSA ID 10549686 · filed Oct 27, 2013

Too few reports in this category for a page of its own — they appear in the full complaint list.

Engine

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.

1
report

From owner reports, verbatim

ENGINE IS MAKINE A TICKING NOISE AND LOSE OF POWER

NHTSA ID 10933992 · filed Dec 8, 2016

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

1
report

From owner reports, verbatim

MY CAR HAS A FUEL TANK LEAK AND DEFECTIVE FUEL SENDING UNITS. A FEW DAYS AGO I NOTICED A VERY STRONG FUEL SMELL AFTER FILLING UP MY CAR AT THE GAS STATION. I TOOK MY CAR TO THE DEALERSHIP AND THEY SAID THAT THE FUEL TANK IS LEAKING AND BOTH FUEL SENDING UNITS NEED TO BE REPLACED. I FEEL THAT THIS IS A SERIOUS SAFETY ISSUE AND THAT MBUSA NEEDS TO CORRECT THE UNDERLYING PROBLEM AND ISSUE A FORMAL SAFETY RECALL. *TR

NHTSA ID 10496451 · filed Feb 5, 2013

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .