Mercedes-Benz · Known Issues
2025 Mercedes-Benz GLC Problems: 5 Known Issues
2025 model year · 1,100+ owner reports · Updated September 2026
2025 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2025 model year · 1,100+ owner reports · Updated September 2026
2025 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's analysis of 1,100+ owner reports, the 2025 Mercedes-Benz GLC has 5 documented known issues, with 4 rated critical. The most serious are Air Suspension Compressor Failure ($600-$2,000 repair), Steering Coupling Bolt Loosening / Loss of Steering Control (Recall), Infotainment Control Unit Reset Blanking the Instrument Cluster While Driving (Recall 26V281) ($0-$0 repair) and 12V Board-Net Parasitic Drain from Door Control Modules Leaving X254 GLC Stranded ($0-$600 repair). The most commonly reported issue is MBUX Infotainment System Freeze with 700 owner reports. Across all issues with published estimates, repair costs range from $600 to $2,000. DIY maintenance guides at au7o.io.
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According to Au7o's analysis of 1,100+ owner reports, the 2025 Mercedes-Benz GLC has 5 documented issues. The most frequently reported are: Air Suspension Compressor Failure, Steering Coupling Bolt Loosening / Loss of Steering Control (Recall), Infotainment Control Unit Reset Blanking the Instrument Cluster While Driving (Recall 26V281). Of these, 4 are rated critical and should be addressed promptly.
The 2025 Mercedes-Benz GLC has 5 known issues documented across 1,100+ owner reports. 4 issues are rated critical: Air Suspension Compressor Failure and Steering Coupling Bolt Loosening / Loss of Steering Control (Recall) and Infotainment Control Unit Reset Blanking the Instrument Cluster While Driving (Recall 26V281) and 12V Board-Net Parasitic Drain from Door Control Modules Leaving X254 GLC Stranded. 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.
Repair costs for known Mercedes-Benz GLC issues range from $0 to $2,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Air Suspension Compressor Failure, typically costs $600-$2,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
GLC models equipped with optional AIRMATIC air suspension experience premature compressor failure. The compressor overheats from compensating for minor air spring leaks and eventually burns out, leaving the vehicle in a lowered position. Repairs typically run $600-$2,000. Severity: high.
Recall 25V533 directly covers model-year 2023-2026 GLC 300 and GLC 300 4MATIC vehicles whose steering-coupling bolt may not have been torqued to production specifications. The connection can loosen over time, potentially causing loss of steering control and increasing crash risk. Severity: high.
On MBUX-equipped X254 GLC models the infotainment control unit can perform an unintended software reset while the vehicle is in motion. Because the digital instrument cluster is driven through that unit, the reset takes the cluster down with it: speed, warning telltales and other… Repairs typically run $0-$0. Severity: high.
Owners of the second-generation X254 GLC report the 12V system going flat after only a few days parked, with a "12V Battery Low" message and, in a number of cases, a no-start and a tow. This is separate from the 48V mild-hybrid starter-generator failure: here the 48V system is he… Repairs typically run $0-$600. Severity: high.
The MBUX infotainment system freezes, reboots, or displays a black screen. Bluetooth connections drop, Apple CarPlay/Android Auto disconnects randomly, and the voice assistant becomes unresponsive. Repairs typically run $0-$2,000. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.