NHTSA // SAFETY RECORD
2021 Mercedes-Benz Gls-Class Safety Record
The 2021 Mercedes-Benz Gls-Class has not been crash-tested by NHTSA, so it carries no Safety Index. Its federal safety record shows 0 recalls and 36 owner complaints on file.
Updated Oct 1, 2026 from NHTSA data · Reviewed by Ivanna Verstliar
CRASH
DATANot crash-tested
The 2021 Mercedes-Benz GLS-Class has not been subjected to federal crash testing. This means no star ratings are available for consumers, nor can a Safety Index score be computed for this model year. Therefore, no conclusions regarding crashworthiness can be drawn from federal data. The vehicle does present a light recall and complaint burden, with zero open recall campaigns on file and 36 unverified owner complaints reported to NHTSA.
The 2021 Mercedes-Benz GLS-Class was not crash-tested by NHTSA, carries zero recall campaigns on file, and falls in the Light recall and complaint burden band according to NHTSA data.
MotorCaliber Safety Desk // NHTSA data, verified Oct 1, 2026
- shoppers who want the full federal safety picture in one place
| NHTSA crash test | Not crash-tested |
|---|---|
| Recall and complaint burden | Light |
| Recalls on file | 0 |
| Owner complaints | 36 (unverified allegations) |
| Data verified | Oct 1, 2026 |
ANALYSISHow safe is the 2021 Mercedes-Benz Gls-Class?
The 2021 Mercedes-Benz GLS-Class has no federal crash test data available. This absence of testing means that no star ratings for frontal, side, or rollover protection have been published for this model year. However, its recall and complaint profile is notable. There are zero recall campaigns initiated for the 2021 GLS-Class. Owner complaints total 36, a modest volume, with a significant concentration in the Electrical System, which accounts for 16 of these reports. Active safety systems also generated some complaints; the Lane Departure and Forward Collision Avoidance systems each received 3 complaints. Among the 36 complaints, 2 alleged a crash, 2 alleged fire, and 2 alleged injury. No fatalities were alleged in any of the reports. The vehicle's "Light" burden band designation reflects this combination of no recalls and a modest complaint volume.
NHTSA // RECALLSDoes the 2021 Mercedes-Benz Gls-Class have any recalls?
The 2021 Mercedes-Benz GLS-Class has zero recall campaigns on file with NHTSA for this model year. There are no components flagged, no park-outside advisories, and no do-not-drive guidance associated with any recall for this year. Shoppers should still verify their specific VIN at nhtsa.gov, as recall records can be updated at any time.
NHTSA // COMPLAINTSWhat do owners report about the 2021 Mercedes-Benz Gls-Class?
NHTSA has logged 36 unverified owner complaints for the 2021 GLS-Class. The top alleged problem areas are the Electrical System (16 reports), an Unknown or Other category (8 reports), the Engine (4 reports), Lane Departure systems (3 reports), and Forward Collision Avoidance systems (3 reports). All figures are unverified consumer allegations, not established defects.
36 owner complaints on file. These are unverified allegations reported to NHTSA.
USED BUYERWhat should used buyers know about the 2021 Mercedes-Benz Gls-Class?
Before purchasing a used 2021 GLS-Class, run the specific VIN through the free NHTSA recall lookup at nhtsa.gov to confirm no open recall is attached to that individual vehicle. Recall completion status varies by unit and cannot be assumed from the model-level record alone.
- NHTSA has not crash-tested the 2021 GLS-Class, meaning no federal star ratings or Safety Index exist for this specific model year.
- Zero recall campaigns are on file with NHTSA for the 2021 GLS-Class, placing it in the Light burden band for this model year.
- Of the 36 unverified complaints logged with NHTSA, 16 allege Electrical System issues, making it the single largest reported problem area for this year.
- Three unverified complaints each target Lane Departure and Forward Collision Avoidance systems, which are active safety features; shoppers should verify these systems function correctly on any specific unit they consider.
FAQ2021 Mercedes-Benz Gls-Class safety questions
Was the 2021 Mercedes-Benz Gls-Class crash-tested by NHTSA?
No. NHTSA has not run a New Car Assessment Program crash test on this configuration, so it carries no Safety Index. Its safety record here is built from 0 recalls and 36 owner complaints on file.
How many recalls does the 2021 Mercedes-Benz Gls-Class have?
According to NHTSA recall data, no vehicle recalls are on file for the 2021 Mercedes-Benz Gls-Class as of Oct 1, 2026. Equipment recalls, if any, are excluded from the Safety Index. Run your VIN through NHTSA's recall lookup to confirm the status is current.
How many complaints have owners filed about the 2021 Mercedes-Benz Gls-Class?
According to NHTSA's complaint database, 36 owner complaints are on file for the 2021 Mercedes-Benz Gls-Class. These are unverified allegations submitted by owners, not confirmed defects, and include reports involving a crash or a fire.
Cross-check this record against independent expert reviews and the live NHTSA database before you buy.
- DATA Pulled directly from NHTSA: the recallsByVehicle and complaintsByVehicle records for the Mercedes-Benz Gls-Class 2021.
- SCORE This configuration was not crash-tested by NHTSA, so it carries no Safety Index. We report its recall and complaint record only.
- EDITED Written by the MotorCaliber Safety Desk and reviewed for accuracy and plain-language clarity by Ivanna Verstliar, Editor, against the source figures on this page.
- VERIFIED Data last synced Oct 1, 2026. Recalls change; confirm your VIN at nhtsa.gov/recalls. See our corrections policy and disclosure.