Mercedes-Benz

Glc (2021)

2021 · Midsize SUV ยท 1 engine
Best Engine โŒ Avoid (1.8)
59 NHTSA Complaints
0 Recalls
1 Fire Reports
1 Crash Reports
View all 2 generations of the Mercedes-Benz Glc → ๐Ÿ“‹ Inspection checklist

NHTSA Safety Ratings About NHTSA ratings

Overall โ˜…โ˜…โ˜…โ˜…โ˜… 5/5
Frontal Crash
5/5
Side Crash
5/5
Rollover
4/5 (18.5% risk)
ESC: Standard FCW: Standard LDW: No
Overall โ˜…โ˜…โ˜…โ˜…โ˜… 5/5
Frontal Crash
5/5
Side Crash
5/5
Rollover
4/5 (18.5% risk)
ESC: Standard FCW: Standard LDW: No

Engine Reliability Ratings

M264

2.0L 4-cyl Turbo
โŒ Avoid (1.8)
58 complaints 58.0 per year Gasoline
1 fire report
View details

Complaint Breakdown

engine
27
fuel system
11
exterior
10
electrical
7
safety systems
6

Known Issues

Engine Issues (27 complaints)
Est. repair: $7,700โ€“$9,705 (6 reports)
Fuel System Issues (11 complaints)
Exterior Issues (10 complaints)

1 additional engine variant with fewer than 10 complaints not shown.

Vehicle-Level Issues

These issues affect the Mercedes-Benz Glc regardless of engine variant.

Engine Issues (27 complaints)
engine serious
Fuel System Issues (11 complaints)
fuel_system cosmetic
Exterior Issues (10 complaints)
exterior cosmetic

All Generations

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Frequently Asked Questions

What are the most common 2021-2021 Mercedes-Benz Glc problems?

The 2021-2021 Mercedes-Benz Glc has accumulated 59 NHTSA complaints. The most frequently reported problem areas are Engine, Fuel System, Exterior. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.

Which Mercedes-Benz Glc engine is most reliable?

The 2021-2021 Mercedes-Benz Glc was offered with 2 engine options. Based on NHTSA complaint data, the 2.0L 4-cyl has the lowest complaint density and is considered the most reliable choice for buyers.

Is the 2021-2021 Mercedes-Benz Glc a good used car?

The 2021-2021 Mercedes-Benz Glc can be a solid used car purchase depending on trim, mileage, and maintenance history. With 59 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.

How many NHTSA complaints does the 2021-2021 Mercedes-Benz Glc have?

The 2021-2021 Mercedes-Benz Glc has 59 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.

What recalls affect the 2021-2021 Mercedes-Benz Glc?

There are 0 NHTSA recalls affecting some 2021-2021 Mercedes-Benz Glc vehicles. Recall status varies by VIN โ€” check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.

What should I check before buying a used Mercedes-Benz Glc?

Before buying a used Mercedes-Benz Glc, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Engine, Fuel System, Exterior, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.

What are the NHTSA crash test ratings for the Glc?

The 2021 Mercedes-Benz Glc received an overall 5-star safety rating from NHTSA. Frontal crash: 5 stars. Side crash: 5 stars. Rollover: 4 stars (18.5% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Standard. Lane Departure Warning: No. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.

Data from NHTSA federal complaints database. 59 complaints analyzed. Data confidence: moderate. Last updated: 2026-04-07.

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