Mercedes-Benz M-Class Problems: 4 Issues Every Owner Should Know
2006-2015 model years · 5,880+ owner reports · Updated April 2026
According to Au7o's analysis of 5,880+ owner reports, the 2006-2015 Mercedes-Benz M-Class has 4 documented known issues, with 3 rated critical. The most serious are AIRMATIC Air Suspension Strut and Compressor Failure ($1,000-$3,500 repair), OM642 Diesel Oil Cooler Seal Leak ($1,000-$2,500 repair) and M272 Balance Shaft Sprocket Wear ($2,000-$4,500 repair). The most commonly reported issue is AIRMATIC Air Suspension Strut and Compressor Failure with 2,100 owner reports. Across all issues, repair costs range from $500 to $4,500. DIY maintenance guides at au7o.io.