Mercedes Benz GLC 300 problems reported in Illinois
35 of the 624 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.
35
Complaints from Illinois
4
Crashes
1
Fires
2023
Worst model year
What failed
Engine & Cooling
10
28.6%
Brakes
7
20.0%
Electrical System
7
20.0%
Other & Unspecified
3
8.6%
Transmission & Drivetrain
2
5.7%
Wheels
1
2.9%
Steering
1
2.9%
Airbags
1
2.9%
By model year
2018 GLC 300
3
8.6%
2019 GLC 300
5
14.3%
2020 GLC 300
3
8.6%
2022 GLC 300
8
22.9%
2023 GLC 300
9
25.7%
2024 GLC 300
4
11.4%
2025 GLC 300
3
8.6%
Cities reporting most
Chicago
8
26.7%
Decatur
5
16.7%
Arlington Heights
4
13.3%
Roselle
3
10.0%
Yorkville
2
6.7%
Bourbonnais
2
6.7%
Schuamburg
1
3.3%
South Barrington
1
3.3%
Fairmount
1
3.3%
South Holland
1
3.3%
Wheaton
1
3.3%
Ofallon
1
3.3%