2023 Mercedes-Benz GLC-Class reliability
Owners have filed 65 complaints with NHTSA about the 2023 Mercedes-Benz GLC-Class over 4 years — 19 per year. That is more complaints per year than most GLC-Class years here — over the median of the other years, which is 9. NHTSA has no recalls on file for this model year.
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The complaints owners file most often name Electrical system (30 of 65), then Engine (15) and Exterior lighting (10). Those filings include 2 that report a crash, 3 that report an injury, and 1 that reports a death.
The 2022 GLC-Class has 62 complaints, 11 per year, and the 2024 has 0 complaints, 0 per year. The 2023 has more complaints per year than the 2022. The 2023 has more complaints per year than the 2024.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2023 Mercedes-Benz GLC-Class. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (65 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"The contact owns a 2023 Mercedes-Benz GLC 300 4MATIC. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the brake pedal felt as if it had released, and the vehicle…"
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"My 2023 GLC300 suffered a severe, unprovoked emergency brake deployment in traffic, nearly causing a pileup. on [XXX]. The car has only 14,500 miles and has a chronic history of dangerous, unprovoked Active Brake Assist…"
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"I purchased a new Mercedes Benz GLC300 2023. Last month, my friend and I were driving on I75 in Florida when we heard what sounded like a loud boom or gunshot. We quickly discovered that my sunroof had exploded. The…"
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"The issue is regarding the “Traffic Sign Assist” (Owner’s Manual page 221) feature of the Adaptive Cruise Control System. Vehicle will be made available if requested. The function of the "Traffic Sign Assist" is to…"
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"My sunroof exploded while driving on the interstate."
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2023 Mercedes-Benz GLC-Class Coupe SUV AWD | Not rated | Not rated | Not rated | Not rated |
| 2023 Mercedes-Benz GLC-Class SUV AWD | Not rated | Not rated | Not rated | Not rated |
| 2023 Mercedes-Benz GLC-Class SUV RWD | Not rated | Not rated | Not rated | Not rated |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
Known issues for this generation
NHTSA campaign 23V-629 covers certain 2023 GLC300 vehicles: the front tow eye may be inadequately threaded to the crossmember and can detach during towing; dealers inspect and replace the front crossmember as needed. Campaign 23V-878 covers certain 2023 GLC300 vehicles equipped with an M254 engine (with GLE350/GLE450 in the same campaign): incorrect screws on the high-pressure fuel pump may prevent a proper seal so fuel and oil can leak; dealers replace the high-pressure fuel pump. Shared unit counts apply when other Mercedes models are listed.
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Frequently asked questions
Is the 2023 Mercedes-Benz GLC-Class reliable?
Owners have filed 65 complaints with NHTSA about the 2023 Mercedes-Benz GLC-Class over 4 years — 19 per year. That is more complaints per year than most GLC-Class years here — over the median of the other years, which is 9. NHTSA has no recalls on file for this model year.
What are common problems with a 2023 Mercedes-Benz GLC-Class?
The complaints owners file most often name Electrical system (30 of 65), then Engine (15) and Exterior lighting (10). Those filings include 2 that report a crash, 3 that report an injury, and 1 that reports a death.
Is the 2023 Mercedes-Benz GLC-Class more reliable than the years next to it?
The 2022 GLC-Class has 62 complaints, 11 per year, and the 2024 has 0 complaints, 0 per year. The 2023 has more complaints per year than the 2022. The 2023 has more complaints per year than the 2024.
Has the 2023 Mercedes-Benz GLC-Class been recalled?
NHTSA has no recalls on file for the 2023 Mercedes-Benz GLC-Class.
How many complaints have owners filed about the 2023 Mercedes-Benz GLC-Class?
Owners have filed 65 complaints about the 2023 Mercedes-Benz GLC-Class with NHTSA.
What oil does a Mercedes-Benz GLC take?
5W-30 full synthetic meeting Mercedes-Benz approvals is common for US GLC300 fills on X253 and X254 — confirm the engine sticker and MB sheet.
What does NHTSA campaign 18V-683 cover on early GLC300?
Certain 2016-2018 GLC300 and GLC300 4Matic vehicles (with GLC350e, GLC43, and GLC63 variants): rear seat-belt latch plates may be difficult to fasten; dealers install felt strips between the C-pillar and rear side paneling.
When did the X254 GLC generation start in the US?
Model year 2023 on this site (after X253 2016-2022).