FREE VEHICLE RESEARCH
2020 Mercedes-Benz GLC300
The 2020 Mercedes-Benz GLC300 has no open NHTSA safety recalls on file, 77 owner complaints, and gets about 24 mpg combined. Here's the full free record from NHTSA and the EPA.
SPECS
2020 Mercedes-Benz GLC300 at a glance
- Engine
- 4-cyl 2L
- Cylinders
- 4
- Displacement
- 2 L
- Drivetrain
- Rear-Wheel Drive
- Transmission
- Automatic 9-spd
- Body
- Small Sport Utility Vehicle 2WD
- Fuel
- Premium
Source: EPA / NHTSA vPIC, as of July 11, 2026.
SAFETY RECALLS · NHTSA
No safety recalls on file with NHTSA for this year and model. That's a good sign.
NHTSA has opened one or more investigations covering this model. Recalls can follow an investigation, so check NHTSA for the latest before you buy.
Open safety recalls are free to fix at any franchised dealer. What recalls mean → Source: NHTSA recalls, as of July 11, 2026. Recalls can be issued any time, confirm by VIN at nhtsa.gov before you buy.
OWNER COMPLAINTS · NHTSA
77 filed- 17
ENGINE
Premature oil pump failure on a 2020 Mercedes-Benz GLC 300 with 71,000 miles. The check engine light illuminated on December 29th, 2025 and with no other warning symptoms. The vehicle has been maintained properly, including regular visits t
- 13
UNKNOWN OR OTHER
The front main light on the driver side stopped working after a rain and it continued getting moister in the head lamp every night until a few days ago and as a result the head light assembly does not work at all ,the same thing is happeni
- 10
ELECTRICAL SYSTEM
Center COMAND screen malfunctions. No rear camera view when reversing when screen does not work. Dealer attempted a repair but issue remains. Parts ordered for replacement.
- 6
POWER TRAIN
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. However, due to Mercedes-Ben
- 5
EXTERIOR LIGHTING
There was a recall on headlight leaking and this happened to my left headlight no damage but leaking and this caused headlight to not work
- 5
STEERING
The contact owns a 2020 Mercedes-Benz GLC300 equipped with Goodyear Tires, Tire Line: Eagle Sport All Season, Tire Size: 255/45/R20, DOT Number: NE12JU1R1021. The contact stated that within a year of purchasing the vehicle brand new, he not
Problems owners reported to the government, useful for spotting patterns, not proof any one car has them. What complaints mean → Source: NHTSA complaints, as of July 11, 2026. Owner-submitted reports, not verified diagnoses.
CRASH-TEST RATINGS · NHTSA NCAP
- Overall
- —
- Frontal
- —
- Side
- ★★★★★
- Rollover
- ★★★★☆
Government crash tests of this model; not every trim or year is tested. Source: NHTSA NCAP, as of July 11, 2026.
FUEL & RUNNING COST · U.S. EPA
- Combined
- 24 mpg
- City / Hwy
- 22 / 29
- Est. fuel / yr
- $3,200
- CO₂ / mi
- 366 g
EPA lab estimates; real mpg varies by how you drive. Source: EPA fueleconomy.gov, as of July 11, 2026. Annual cost assumes 15,000 mi/yr at EPA's reference price.
All figures above come from free U.S. government sources: NHTSA (recalls, complaints, investigations, crash tests) and the EPA (fuel economy and specs). We don't show market price, insurance cost, or proprietary reliability scores, because there's no free, reliable public source for them. For a verdict on a specific listing, with a fair-offer number and what to ask the seller, that's the VINly app.
BEFORE YOU BUY
What to check on this car
Watch for a pending investigation
NHTSA has an open investigation covering this model. A recall can follow an investigation, so check nhtsa.gov for the latest before you commit.
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Test-drive the basics
Cold start, full-lock steering both ways, firm brakes with no pulsing, smooth shifts, and every electronic feature. Warning lights should come on at key-on, then go out.
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Check the title and the VIN
Confirm the title status in hand matches the listing, and that the VIN matches across the dash, door jamb, and title. VINly does not show ownership or accident history, for that, run a paid report like Carfax.
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Ask the seller the right questions
Why they are selling, any service records, accident or panel-repaint history, how many owners, and whether any open recalls were completed.
See the full used-car inspection checklist. None of this replaces a hands-on inspection by a mechanic.
Quick answers
Are there any recalls on the 2020 Mercedes-Benz GLC300? +
No open NHTSA safety recalls are on file for the 2020 Mercedes-Benz GLC300. Recalls can be issued at any time, so confirm with the VIN at nhtsa.gov before you buy.
What gas mileage does the 2020 Mercedes-Benz GLC300 get? +
The EPA rates the 2020 Mercedes-Benz GLC300 at 24 mpg combined (22 city / 29 highway), about $3,200 a year in fuel.
What do owners complain about on the 2020 Mercedes-Benz GLC300? +
Owners have filed 77 complaints with NHTSA for the 2020 Mercedes-Benz GLC300, including 3 involving a crash. The most-reported area is engine.
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