FaultScore

Mercedes Benz GLC 300 problems reported in California

88 of the 609 complaints filed about the Mercedes Benz GLC 300 came from California, most often about the engine & cooling.

Bigger states file more complaints simply for having more drivers. What is worth reading here is the mix — a part that fails in heat, cold or road salt shows up in some states long before others.

88

Complaints from California

8

Crashes

1

Fires

2018

Worst model year

What failed

By model year

2018 GLC 300 22 25.0%
2019 GLC 300 10 11.4%
2020 GLC 300 16 18.2%
2021 GLC 300 12 13.6%
2022 GLC 300 9 10.2%
2023 GLC 300 14 15.9%
2024 GLC 300 3 3.4%
2025 GLC 300 2 2.3%

Cities reporting most

SAN Diego 8 18.6%
Carlsbad 6 14.0%
LOS Angeles 6 14.0%
Novato 3 7.0%
Oxnard 3 7.0%
Foster City 3 7.0%
Glendale 3 7.0%
Orange 3 7.0%
Marina DEL REY 2 4.7%
SAN Francisco 2 4.7%
Fallbrook 2 4.7%
West Hills 2 4.7%

← All Mercedes Benz GLC 300 problems and worst years