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Consumer Reviews for the Mercedes-Benz GLC-Class
Read recent reviews for the Mercedes-Benz GLC-Class
Quality Control Could Be an Issue
CBB, 09/10/2023
2023 Mercedes-Benz GLC-Class GLC 300 4MATIC 4dr SUV AWD (2.0L 4cyl Turbo gas/electric mild hybrid 9A)
I bought in July 2023 a 2023 GLC 300 4Matic with Pinnacle Trim, AMG line w/ night package, Driver Assistance package, and Panoramic roof. I was relatively happy driving it for a few days until a whining sound started to be very noticeable in the 7th & 8th gears. I bought it back to the dealership and the technician was very good in his preliminary diagnosis that it could be coming from … the rear differential. His initial diagnosis was confirmed when they had it closely examined at the shop. Very disappointing for a brand new luxury car and a Mercedes Benz at that. They ordered a replacement rear differential from Germany. The car was in the shop for about 2 weeks. Unfortunately, the whining sound is still there albeit not as loud as before but it also now shows at the 4th gear in addition to the 7th & 8th gears. There are also other things that I am not happy with: (1) wireless charger does not always work; (2) camera mode comes on at traffic lights taking over the screen; not good if you are using the navigation; (3) camera makes a loud opening or closing sound even if the camera is not needed (according to the technician it was designed by MBenz as such possibly to prevent it from freezing during winter; but it is summer at this time); (4) Panoramic roof does not have a solid inside cover. Sunlight filters in through the woven inside cover; (5) The wiper movement is not smooth. It is jerky. There were also 2 instances where I got a message that the 12V battery needs charging (this happens on a brand new car?). The car has a lot of "bells & whistles", which is probably good, or bad if they are not all working properly. The ride, however, is luxurious and quiet. I noted that there is a little lag on acceleration, and there is no notable difference between comfort and sport modes.
This was my first Mercedes as I have been driving BMWs for 15 years. I probably should not have traded in my 2019 BMW X3. I wanted a newer car and unfortunately because of the semi-conductor supply issues some options that I had in my 2019 BMW X3 were not available in the 2023 model. I should have waited for the 2024 X3 model in case they would all be available by then.
Update: 3/12/2024
I have had 4 instances where the car does not start. Different warning signs keep on flashing (12V On board electrical system service required; service required, do not change transmission position; active parking assist & parktronic in operative; active blind spot assist inoperative; active brake assist functions currently limited). The car cannot be locked at this stage. I had to wait for some time (30 minutes to 1-3 hrs.) before the car eventually was able to start. The car dealership cannot seem to find the cause. They informed me on 2/1/2024 when the car was last checked that a system update was in development but to-date there is no news on this. There is also a recall on this model involving the fuse box that needs to be replaced (in which systems might become inoperable, the car might lose propulsion without warning, or the instrument cluster might be impaired increasing the risk of crash & injuries; also the risk of fire cannot be ruled out).
As previously mentioned, the rear differential was replaced, but the whining sound is now again getting louder and prominent in more number of gears.
I have never owned or leased a car where I have experienced so many issues and inconveniences. For a brand new and luxury brand at that, it is a huge mistake, disappointment, and regret as to why I ever switched brand from BMW. Stay away from this car.
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