2025 Mercedes-Benz C-Class Problems: 4 Known Issues
2025 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2025 Mercedes-Benz C-Class has 4 documented known issues, with 2 rated critical. The most serious are 48V Mild-Hybrid / Integrated Starter-Generator Failure Causing No-Start and Power Loss ($500-$6,000 repair) and MBUX / Instrument Cluster Black Screen, Rebooting, or No Rear Camera Image ($0-$2,500 repair). Across all issues with published estimates, repair costs range from $150 to $6,000. DIY maintenance guides at au7o.io.
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All 4 Known Issues
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Frequently Asked Questions
What are the most common Mercedes-Benz C-Class problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2025 Mercedes-Benz C-Class has 4 documented issues. The most frequently reported are: 48V Mild-Hybrid / Integrated Starter-Generator Failure Causing No-Start and Power Loss, MBUX / Instrument Cluster Black Screen, Rebooting, or No Rear Camera Image, Driver Assistance Sensor Misalignment Causing 'Inoperative' Warnings and Disabled Features. Of these, 2 are rated critical and should be addressed promptly.
Is the Mercedes-Benz C-Class reliable?
The 2025 Mercedes-Benz C-Class has 4 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: 48V Mild-Hybrid / Integrated Starter-Generator Failure Causing No-Start and Power Loss and MBUX / Instrument Cluster Black Screen, Rebooting, or No Rear Camera Image. 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 C-Class problems?
Repair costs for known Mercedes-Benz C-Class issues range from $0 to $6,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 48V Mild-Hybrid / Integrated Starter-Generator Failure Causing No-Start and Power Loss, typically costs $500-$6,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2022-2025 Mercedes-Benz C-Class 48V Mild-Hybrid / Integrated Starter-Generator Failure Causing No-Start and Power Loss?
The W206 C-Class uses a 48V mild-hybrid system with an integrated starter-generator (ISG), and owners have reported no-start conditions, repeated warning messages, charging-system faults, and sudden reduced-power events tied to the 48V system. Mercedes has issued service informat… Repairs typically run $500-$6,000. Severity: high.
What is the 2022-2025 Mercedes-Benz C-Class MBUX / Instrument Cluster Black Screen, Rebooting, or No Rear Camera Image?
Owners of the W206 C-Class have reported intermittent or persistent failures of the central MBUX display and digital instrument cluster, including black screens, repeated rebooting, frozen infotainment, and loss of the rear-view camera image. This is well documented through NHTSA… Repairs typically run $0-$2,500. Severity: high.
What is the 2022-2025 Mercedes-Benz C-Class Driver Assistance Sensor Misalignment Causing 'Inoperative' Warnings and Disabled Features?
Owners of 2022-2025 C-Class cars frequently report sudden warnings that Active Brake Assist, Distronic, lane-keeping, blind-spot monitoring, or parking sensors are inoperative. On the W206, these faults are often tied to radar/camera calibration sensitivity, software issues, or s… Repairs typically run $150-$2,200. Severity: medium.
What is the 2022-2025 Mercedes-Benz C-Class Premature Front Brake Squeal, Judder, and Rotor/Pads Replacement?
A recurring owner complaint on the current C-Class is noisy front brakes, vibration under braking, and early rotor/pad replacement despite relatively low mileage. Reports on owner forums and complaint databases describe squeal when cold or at low speed, as well as pulsation or st… Repairs typically run $250-$1,400. Severity: medium.
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.