Mercedes-Benz Glc Years to AvoidThe weakest years — and the one you should buy instead
After reviewing every Mercedes-Benz Glc we've analyzed (10 years), these are the 2 weakest. Each one has either an absolute low reliability score, chronic repair issues, or unusually high ownership costs relative to other Glc years.
Proceed with caution
2016 Mercedes-Benz Glc
The 2016 Mercedes-Benz GLC offers an attractive blend of luxury, comfort, and advanced technology, making it a compelling choice in the compact SUV segment. However, as a first-year model on a new platform, it comes with the inherent risk of some complex electrical and suspension issues that can lead to significant repair costs down the line. A meticulous pre-purchase inspection and a robust maintenance budget are critical for confident ownership.
Why this year scores low
The COMAND infotainment system can suffer from freezes, glitches, and slow response times. Owners also report issues with backup cameras, various sensors (e.g., parking, proximity), and occasional parasitic battery drains due to module communication errors. These are often software-related but can require costly module replacement.
While the standard steel spring suspension is robust, the optional AIRMATIC air suspension is a common failure point. Air springs can develop leaks, leading to a sagging vehicle or compressor overwork/failure. Ride height sensors can also fail, causing incorrect leveling. Repairs are extremely expensive due to specialized components.
The M274 2.0L turbo engine is generally solid but can develop oil leaks, particularly from the oil filter housing or timing chain cover gaskets. PCV (Positive Crankcase Ventilation) valve failures are also reported, leading to excessive oil consumption or vacuum leaks. These issues, if neglected, can lead to more serious engine problems.
Proceed with caution
2025 Mercedes-Benz Glc
The 2025 Mercedes-Benz GLC offers an exquisite blend of luxury, technology, and refined performance, making it a compelling choice for those seeking a premium compact SUV. While initial quality is expected to be high, the inherent complexity of its advanced mild-hybrid powertrain and sophisticated electronics presents a moderate long-term ownership risk, necessitating diligent maintenance to preserve its value and functionality.
Why this year scores low
While enhancing efficiency, the integrated starter-generator (ISG) and its associated 48V battery system are new points of failure. Issues could range from minor electrical glitches affecting ancillaries to more significant power delivery faults, often tied to software or sensor communication.
Mercedes-Benz's MBUX system is feature-rich but incredibly complex. Owners frequently report software bugs, unresponsive screens, sensor malfunctions (e.g., parking sensors, blind-spot monitoring), and connectivity issues that often require dealer diagnostic tools and software updates to resolve.
While standard coil springs are generally robust, the optional Airmatic air suspension, if chosen, is a known Mercedes-Benz weak point over time. Air springs can leak, compressors can fail, and ride height sensors can malfunction, leading to uneven stance or a harsh ride.