2020 Mercedes-Benz GLC-Class reliability
Owners have filed 80 complaints with NHTSA about the 2020 Mercedes-Benz GLC-Class over 7 years — 9 per year. The other GLC-Class years sit at about the same rate: their median is 10 complaints per year. NHTSA has no recalls on file for this model year.
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The complaints owners file most often name Engine (27 of 80), then Electrical system (10) and Back-over prevention (8). Those filings include 3 that report a crash, 2 that report a fire, and 2 that report an injury.
The 2019 GLC-Class has 69 complaints, 4 per year, and the 2021 has 0 complaints, 0 per year. The 2020 has more complaints per year than the 2019. The 2020 has more complaints per year than the 2021.
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 2020 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 (80 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"My check-engine light recently illuminated, and diagnostic testing identified fault code P06DA00, relating to the oil pump control valve circuit. I have been quoted over $5,000 to replace the oil control valve and oil…"
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"What component or system failed or malfunctioned, and is it available for inspection upon request? The Forward Collision Avoidance / Active Brake Assist (Automatic Emergency Braking) system failed by falsely identifying…"
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"The seatbelt latch does not fully release when you press the red button. It needs to be wiggled and then it eventually does release. This is an ongoing issue."
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"My 2020 Mercedes-Benz GLC 300 triggered check engine light with code P06DA (engine oil pressure control) at 40,000 miles. The failed component is an oil pressure control sensor/solenoid worth approximately $200.…"
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"I have had my car for almost two years. This problem has been on-going the whole time. It happens intermittently, I never know. I will be driving it and usually when I am making a turn or pulling onto a main road, you…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 Mercedes-Benz GLC-Class Coupe SUV 4WD | Not rated | Not rated | Not rated | Not rated |
| 2020 Mercedes-Benz GLC-Class Coupe SUV RWD | Not rated | Not rated | Not rated | Not rated |
| 2020 Mercedes-Benz GLC-Class Hybrid SUV 4WD | Not rated | Not rated | Not rated | Not rated |
| 2020 Mercedes-Benz GLC-Class SUV 4WD | Not rated | Not rated | 5 stars | 4 stars |
| 2020 Mercedes-Benz GLC-Class SUV RWD | Not rated | Not rated | 5 stars | 4 stars |
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
For 2017 GLC300 vehicles, NHTSA campaign 18V-683 covers 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. Campaign 21V-197 covers certain 2016-2020 GLC300 vehicles among many other Mercedes models for front-panel adhesive that may deteriorate; dealers reinstall the panel with approved materials. Confirm open campaigns by VIN under trim strings such as GLC300.
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Frequently asked questions
Is the 2020 Mercedes-Benz GLC-Class reliable?
Owners have filed 80 complaints with NHTSA about the 2020 Mercedes-Benz GLC-Class over 7 years — 9 per year. The other GLC-Class years sit at about the same rate: their median is 10 complaints per year. NHTSA has no recalls on file for this model year.
What are common problems with a 2020 Mercedes-Benz GLC-Class?
The complaints owners file most often name Engine (27 of 80), then Electrical system (10) and Back-over prevention (8). Those filings include 3 that report a crash, 2 that report a fire, and 2 that report an injury.
Is the 2020 Mercedes-Benz GLC-Class more reliable than the years next to it?
The 2019 GLC-Class has 69 complaints, 4 per year, and the 2021 has 0 complaints, 0 per year. The 2020 has more complaints per year than the 2019. The 2020 has more complaints per year than the 2021.
Has the 2020 Mercedes-Benz GLC-Class been recalled?
NHTSA has no recalls on file for the 2020 Mercedes-Benz GLC-Class.
How many complaints have owners filed about the 2020 Mercedes-Benz GLC-Class?
Owners have filed 80 complaints about the 2020 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).