Mercedes Benz GLC 300 problems reported in Illinois
33 of the 609 complaints filed about the Mercedes Benz GLC 300 came from Illinois, 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.
33
Complaints from Illinois
4
Crashes
1
Fires
2023
Worst model year
What failed
Engine & Cooling
10
30.3%
Brakes
6
18.2%
Electrical System
6
18.2%
Other & Unspecified
3
9.1%
Transmission & Drivetrain
2
6.1%
Wheels
1
3.0%
Steering
1
3.0%
Airbags
1
3.0%
By model year
2018 GLC 300
3
9.1%
2019 GLC 300
5
15.2%
2020 GLC 300
3
9.1%
2022 GLC 300
6
18.2%
2023 GLC 300
9
27.3%
2024 GLC 300
4
12.1%
2025 GLC 300
3
9.1%
Cities reporting most
Chicago
8
28.6%
Decatur
5
17.9%
Roselle
3
10.7%
Arlington Heights
2
7.1%
Yorkville
2
7.1%
Bourbonnais
2
7.1%
Schuamburg
1
3.6%
South Barrington
1
3.6%
Fairmount
1
3.6%
South Holland
1
3.6%
Wheaton
1
3.6%
Ofallon
1
3.6%