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Mercedes Benz Glc 300 Problems

The Mercedes-Benz GLC 300 is a compact luxury SUV that replaced the GLK-Class in 2016. With 1,090 complaints and 6 reported fatalities, it has shown some concerning patterns in its early years. The 2018 model year accumulated the most complaints, while the 2025 model year represents the refined current generation with improved reliability. The GLC 300 offers a comfortable ride and upscale interior, but early adopters faced issues that have since been addressed through engineering updates.

1,090
Total Complaints
72
Total Recalls
9
Model Years
6
Reported Deaths
✓

Best Years

These years have the fewest reported problems.

2024 2025

Common Problem Categories

Engine 220
Electrical System 170
Unknown Or Other 132
Fuel/propulsion System 72
Forward Collision Avoidance 58

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2026 0 1 0 0 Good
2025 44 2 12 0 Good
2024 60 7 4 0 Good
2023 188 11 8 0 Below Average
2022 142 2 20 8 Average
2021 152 9 2 2 Average
2020 158 16 8 0 Average
2019 110 12 6 10 Average
2018 236 12 16 6 Below Average

Mercedes Benz Glc 300 Years to Avoid

2018, 2017, 2016

Best Mercedes Benz Glc 300 Years

2025, 2024, 2023

Frequently Asked Questions

What are the most common problems with the Mercedes-Benz GLC 300?

Early model years (2016-2018) experienced issues with the 9-speed transmission, including rough shifting and hesitation. Some owners reported engine oil leaks, sunroof rattles, and infotainment system glitches. The 48-volt mild hybrid system in newer models has been more reliable.

Which Mercedes-Benz GLC 300 years should I avoid?

The 2018 model year has the highest complaint volume. The 2016 and 2017 models also had transmission calibration issues that were improved in later software updates. Stick with 2020 or newer for better reliability.

Is the Mercedes-Benz GLC 300 reliable?

Reliability has improved significantly since the first generation. The 2020+ models benefit from transmission software improvements and build quality refinements. Current models are competitive with other compact luxury SUVs in reliability.

Is the Mercedes-Benz GLC 300 worth buying?

For a compact luxury SUV, the GLC 300 offers a compelling package with a refined interior and smooth ride. Avoid the 2016-2018 models and opt for 2020 or newer. Consider a certified pre-owned example for added warranty protection.

Should I buy a used Mercedes-Benz GLC 300?

A 2020 or newer GLC 300 is a reasonable choice. Check for transmission software updates on earlier models. Have a pre-purchase inspection verify no oil leaks. The certified pre-owned program offers valuable extended warranty coverage.