This specific used car from a reputable used car dealer has passed strict inspections confirming it is free from major accidents, fire damage, and water damage, with original paint on the entire body and 0 previous ownership transfers, demonstrating excellent overall condition. In general, the 2021 GLC 300 L series is recognized as one of the reliable used cars in its class. According to user feedback, a minor common problem is slight interior odor in early-stage vehicles, which can be resolved through proper ventilation. Its 2.0T engine and 4MATIC all-wheel-drive system have a low failure rate when you keep up with regular maintenance, helping to keep long-term maintenance costs manageable.