2021 Mercedes-Benz Gls-Class Safety Report
2021 Mercedes-Benz GLS-Class Safety Report
Safety Decision Cockpit for the 2021 Mercedes-Benz Gls-Class
This page is the hub for deciding what to inspect next on the 2021 Mercedes-Benz Gls-Class. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | Low (0) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | Moderate (35) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 4 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Electrical System | Compare electrical system issues across vehicles. |
2021 Mercedes-Benz Gls-Class Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2021 Mercedes-Benz Gls-Class, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.
Electrical System
9 owner complaints mention this component in the current safety profile.
All Electrical System issues Mercedes-Benz onlyUnknown Or Other
6 owner complaints mention this component in the current safety profile.
All Unknown Or Other issues Mercedes-Benz onlyFuel System, Gasoline
2 owner complaints mention this component in the current safety profile.
All Fuel System, Gasoline issues Mercedes-Benz onlyElectrical System,Seats
2 owner complaints mention this component in the current safety profile.
All Electrical System,Seats issues Mercedes-Benz onlyVisibility/Wiper
2 owner complaints mention this component in the current safety profile.
All Visibility/Wiper issues Mercedes-Benz onlyLane Departure
2 owner complaints mention this component in the current safety profile.
All Lane Departure issues Mercedes-Benz onlyAI Safety Analysis for the 2021 Mercedes-Benz Gls-Class
Reliability Score
The 2021 Mercedes-Benz Gls-Class receives a reliability score of 85 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.
Known Issues for the 2021 Mercedes-Benz Gls-Class
The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Mercedes-Benz Gls-Class:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Electrical System Malfunctions Multiple reports of 48V and 12V battery malfunctions leading to random vehicle shutdowns and safety concerns. |
Medium | Rare | 30k-60k miles |
| Rear Wheel Cracks Common issue with rear wheels developing cracks, leading to tire pressure loss. |
Medium | Common | 30k-60k miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Mercedes-Benz Gls-Class:
Issues with the electrical system, including battery malfunctions, are a common problem.
Frequently Asked Questions About the 2021 Mercedes-Benz Gls-Class
Has the 2021 MERCEDES-BENZ GLS-CLASS been recalled?
No, the 2021 MERCEDES-BENZ GLS-CLASS has no recalls on record with NHTSA as of our latest data update.
How many complaints does the 2021 MERCEDES-BENZ GLS-CLASS have?
The 2021 MERCEDES-BENZ GLS-CLASS has 35 complaints filed with NHTSA. Of these, 2 involved crashes. 2 injuries and 0 deaths have been reported.
What is the safety rating for the 2021 MERCEDES-BENZ GLS-CLASS?
The 2021 MERCEDES-BENZ GLS-CLASS does not have an NHTSA safety rating on file. This can happen for newer model years, specialty vehicles, or models that have not been crash-tested.
What are the most common problems with the 2021 MERCEDES-BENZ GLS-CLASS?
The most commonly reported problems with the 2021 MERCEDES-BENZ GLS-CLASS involve electrical system (9 complaints), unknown or other (6 complaints), fuel system, gasoline (2 complaints). Other affected components include electrical system,seats, visibility/wiper, lane departure.
How many crash reports does the 2021 MERCEDES-BENZ GLS-CLASS have?
There are 2 crash reports associated with the 2021 MERCEDES-BENZ GLS-CLASS out of 35 total complaints (5.7% of complaints involved crashes).
How many fire reports does the 2021 MERCEDES-BENZ GLS-CLASS have?
There are 2 fire reports for the 2021 MERCEDES-BENZ GLS-CLASS out of 35 total complaints. Fire reports are among the most serious safety concerns tracked by NHTSA.
Are there any deaths reported for the 2021 MERCEDES-BENZ GLS-CLASS?
No deaths have been reported in NHTSA complaints for the 2021 MERCEDES-BENZ GLS-CLASS.
How many injuries are reported for the 2021 MERCEDES-BENZ GLS-CLASS?
2 injuries have been reported in NHTSA complaints for the 2021 MERCEDES-BENZ GLS-CLASS. These are self-reported by vehicle owners as part of their safety complaints.
Should I buy a 2021 MERCEDES-BENZ GLS-CLASS?
Based on NHTSA data, the 2021 MERCEDES-BENZ GLS-CLASS is research thoroughly before purchasing. It has 35 complaints, 0 recalls. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2021 MERCEDES-BENZ GLS-CLASS?
The components with the most failures on the 2021 MERCEDES-BENZ GLS-CLASS are: 1. ELECTRICAL SYSTEM (9 complaints), 2. UNKNOWN OR OTHER (6 complaints), 3. FUEL SYSTEM, GASOLINE (2 complaints), 4. ELECTRICAL SYSTEM,SEATS (2 complaints), 5. VISIBILITY/WIPER (2 complaints). ELECTRICAL SYSTEM is the single most-reported problem area with 9 complaints.
What should I know before buying a 2021 MERCEDES-BENZ GLS-CLASS?
Be cautious of electrical system malfunctions and rear wheel cracks, which are common issues in this model. The 2021 MERCEDES-BENZ GLS-CLASS has 35 NHTSA complaints and 0 recalls on record.
How reliable is the 2021 MERCEDES-BENZ GLS-CLASS?
The 2021 MERCEDES-BENZ GLS-CLASS receives a reliability score of 85/100, indicating above-average reliability. This is based on 35 owner complaints, 0 recalls, and 4 crash/fire reports in the NHTSA database. Key known issues include Electrical System Malfunctions and Rear Wheel Cracks.
What are the known issues with the 2021 MERCEDES-BENZ GLS-CLASS?
Known issues with the 2021 MERCEDES-BENZ GLS-CLASS include: Electrical System Malfunctions, Rear Wheel Cracks. These are based on patterns found across 35 NHTSA complaints.
What are the common electrical system issues in the 2021 Mercedes-Benz GLS-Class?
Common issues include 48V and 12V battery malfunctions leading to random vehicle shutdowns.
Are there any known tire issues with the 2021 Mercedes-Benz GLS-Class?
Yes, rear wheels often develop cracks, leading to tire pressure loss.
What should I do if I experience electrical system malfunctions?
Contact Mercedes-Benz immediately for diagnosis and repair to ensure safety.
Buyer Advice
Our recommendation: Be cautious of electrical system malfunctions and rear wheel cracks, which are common issues in this model.
NHTSA Data Summary for 2021 Mercedes-Benz Gls-Class
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Mercedes-Benz Gls-Class. The data includes 35 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, 2 reported crashes, 2 fire incidents, 2 reported injuries, and safety rating assessments associated with this vehicle.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.
Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.
Analysis last updated: 2026-05-16