What are the most common Mercedes-Benz CLS-Class problems?
According to Au7o's analysis of 4,300+ owner reports, the 2006-2006 Mercedes-Benz CLS-Class has 2 documented issues. The most frequently reported are: M272 Balance Shaft Gear Wear and Failure, 7G-Tronic Transmission Valve Body Failure. Of these, 2 are rated critical and should be addressed promptly.
Is the Mercedes-Benz CLS-Class reliable?
The 2006-2006 Mercedes-Benz CLS-Class has 2 known issues documented across 4,300+ owner reports. 2 issues are rated critical: M272 Balance Shaft Gear Wear and Failure and 7G-Tronic Transmission Valve Body Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mercedes-Benz CLS-Class problems?
Repair costs for known Mercedes-Benz CLS-Class issues range from $1,500 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, M272 Balance Shaft Gear Wear and Failure, typically costs $2,000-$5,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2005-2010 Mercedes-Benz CLS-Class M272 Balance Shaft Gear Wear and Failure?
The M272 V6 and M273 V8 engines in early CLS models suffer from a well-documented balance shaft gear failure where the idler gear sprocket wears prematurely due to a manufacturing defect. The worn gear produces a rattling noise on startup and can eventually cause engine timing is… Repairs typically run $2,000-$5,000. Severity: high.
What is the 2005-2014 Mercedes-Benz CLS-Class 7G-Tronic Transmission Valve Body Failure?
The 722.9 7G-Tronic automatic transmission in CLS models suffers from valve body conductor plate failures. The electronic conductor plate controls shift solenoids and develops internal short circuits or loses communication, causing harsh shifting, getting stuck in limp mode, or r… Repairs typically run $1,500-$4,000. Severity: high.
