Mercedes-Benz GL-Class Problems: 4 Issues Every Owner Should Know
2007-2016 model years ยท 4,200+ owner reports ยท Updated April 2026
According to Au7o's analysis of 4,200+ owner reports, the 2007-2016 Mercedes-Benz GL-Class has 4 documented known issues, with 2 rated critical. The most serious are AIRMATIC Air Suspension Compressor Failure ($1,200-$3,000 repair) and OM642 Diesel Oil Cooler Seal Leak ($1,000-$2,500 repair). The most commonly reported issue is AIRMATIC Air Suspension Compressor Failure with 1,800 owner reports. Across all issues, repair costs range from $200 to $3,500. DIY maintenance guides at au7o.io.