Mercedes-Benz CLS-Class Problems: 10 Issues Every Owner Should Know

What are the most common Mercedes-Benz CLS-Class problems?

According to Au7o's analysis of 5,960+ owner reports, the 2005-2024 Mercedes-Benz CLS-Class has 10 documented issues. The most frequently reported are: M272 Balance Shaft Gear Wear and Failure, 7G-Tronic Transmission Valve Body Failure, AIRMATIC Air Suspension Strut Failure. Of these, 5 are rated critical and should be addressed promptly.

Is the Mercedes-Benz CLS-Class reliable?

The 2005-2024 Mercedes-Benz CLS-Class has 10 known issues documented across 5,960+ owner reports. 5 issues are rated critical: M272 Balance Shaft Gear Wear and Failure and 7G-Tronic Transmission Valve Body Failure and AIRMATIC Air Suspension Strut Failure and M264 2.0L Engine Stalling or No-Start from Crankcase Ventilation / Cylinder Head Vent Valve Fault and 48-Volt Integrated Starter-Generator / DC-DC Converter Failure Causing Warning Messages, Limp Mode, or No Restart. 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 $0 to $6,500, 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 year Mercedes-Benz CLS-Class is the most reliable?

Reliability varies across model years of the Mercedes-Benz CLS-Class. Based on owner reports, issues are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2005-2024 Mercedes-Benz CLS-Class with 10 documented issues from 5,960+ owner reports.

Mercedes-Benz CLS-Class Problems: 10 Issues Every Owner Should Know

In This Article

All 10 Known Issues

When Issues Typically Appear

Other Mercedes-Benz Models

Frequently Asked Questions

What are the most common Mercedes-Benz CLS-Class problems?

Is the Mercedes-Benz CLS-Class reliable?

How much does it cost to fix common Mercedes-Benz CLS-Class problems?

What year Mercedes-Benz CLS-Class is the most reliable?