2018 Mercedes-Benz Gls-Class Safety Report
2018 Mercedes-Benz GLS-Class Safety and Reliability Report
Safety Decision Cockpit for the 2018 Mercedes-Benz Gls-Class
This page is the hub for deciding what to inspect next on the 2018 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 (21) | 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 | Suspension | Compare suspension issues across vehicles. |
2018 Mercedes-Benz Gls-Class Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2018 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.
Suspension
2 owner complaints mention this component in the current safety profile.
All Suspension issues Mercedes-Benz onlyUnknown Or Other
2 owner complaints mention this component in the current safety profile.
All Unknown Or Other issues Mercedes-Benz onlyService Brakes
2 owner complaints mention this component in the current safety profile.
All Service Brakes issues Mercedes-Benz onlyPower Train
2 owner complaints mention this component in the current safety profile.
All Power Train issues Mercedes-Benz onlyService Brakes,Engine,Forward Collision Avoidance
1 owner complaint mention this component in the current safety profile.
All Service Brakes,Engine,Forward Collision Avoidance issues Mercedes-Benz onlyService Brakes,Fuel/Propulsion System
1 owner complaint mention this component in the current safety profile.
All Service Brakes,Fuel/Propulsion System issues Mercedes-Benz onlyAI Safety Analysis for the 2018 Mercedes-Benz Gls-Class
Reliability Score
The 2018 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 2018 Mercedes-Benz Gls-Class
The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Mercedes-Benz Gls-Class:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Airbag Suspension Failure The GLS-class has experienced multiple failures of the airbag suspension system, leading to replacement by the dealership. This issue is particularly concerning at around 30,000 to 60,000 miles. |
High | Common | 30k-60k miles |
| Spongy Brakes Some owners have reported spongy brakes and issues with brake performance, indicating potential safety concerns. This issue is more common at around 30,000 to 60,000 miles. |
Medium | Common | 30k-60k miles |
| Automatic Suspension Malfunction Owners have reported malfunctions in the automatic suspension system, leading to a malfunction notification and the need for repair. This issue is more common at around 30,000 to 60,000 miles. |
Medium | Common | 30k-60k miles |
| Third Row Seat Lock Issue The third row seat lock has been reported to have issues, with a warning message appearing several months ago. This issue is less common but still a concern. |
Low | 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 2018 Mercedes-Benz Gls-Class:
Issues with the airbag suspension system and automatic suspension malfunction are the most common problems.
Spongy brakes and brake performance issues are reported by some owners.
There have been reports of the panoramic sunroof spontaneously shattering.
Issues with seatbelt functionality and brake noise have been reported.
Frequently Asked Questions About the 2018 Mercedes-Benz Gls-Class
Has the 2018 MERCEDES-BENZ GLS-CLASS been recalled?
No, the 2018 MERCEDES-BENZ GLS-CLASS has no recalls on record with NHTSA as of our latest data update.
How many complaints does the 2018 MERCEDES-BENZ GLS-CLASS have?
The 2018 MERCEDES-BENZ GLS-CLASS has 21 complaints filed with NHTSA. Of these, 1 involved crashes. No injuries or deaths have been reported.
What is the safety rating for the 2018 MERCEDES-BENZ GLS-CLASS?
The 2018 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 2018 MERCEDES-BENZ GLS-CLASS?
The most commonly reported problems with the 2018 MERCEDES-BENZ GLS-CLASS involve suspension (2 complaints), unknown or other (2 complaints), service brakes (2 complaints). Other affected components include power train, service brakes,engine,forward collision avoidance, service brakes,fuel/propulsion system.
How many crash reports does the 2018 MERCEDES-BENZ GLS-CLASS have?
There are 1 crash reports associated with the 2018 MERCEDES-BENZ GLS-CLASS out of 21 total complaints (4.8% of complaints involved crashes).
How many fire reports does the 2018 MERCEDES-BENZ GLS-CLASS have?
There are 3 fire reports for the 2018 MERCEDES-BENZ GLS-CLASS out of 21 total complaints. Fire reports are among the most serious safety concerns tracked by NHTSA.
Are there any deaths reported for the 2018 MERCEDES-BENZ GLS-CLASS?
No deaths have been reported in NHTSA complaints for the 2018 MERCEDES-BENZ GLS-CLASS.
How many injuries are reported for the 2018 MERCEDES-BENZ GLS-CLASS?
No injuries have been reported in NHTSA complaints for the 2018 MERCEDES-BENZ GLS-CLASS.
Should I buy a 2018 MERCEDES-BENZ GLS-CLASS?
Based on NHTSA data, the 2018 MERCEDES-BENZ GLS-CLASS is research thoroughly before purchasing. It has 21 complaints, 0 recalls. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2018 MERCEDES-BENZ GLS-CLASS?
The components with the most failures on the 2018 MERCEDES-BENZ GLS-CLASS are: 1. SUSPENSION (2 complaints), 2. UNKNOWN OR OTHER (2 complaints), 3. SERVICE BRAKES (2 complaints), 4. POWER TRAIN (2 complaints), 5. SERVICE BRAKES,ENGINE,FORWARD COLLISION AVOIDANCE (1 complaints). SUSPENSION is the single most-reported problem area with 2 complaints.
What should I know before buying a 2018 MERCEDES-BENZ GLS-CLASS?
Be cautious of potential suspension and brake issues, especially around 30,000 to 60,000 miles. Regular maintenance is crucial. The 2018 MERCEDES-BENZ GLS-CLASS has 21 NHTSA complaints and 0 recalls on record.
How reliable is the 2018 MERCEDES-BENZ GLS-CLASS?
The 2018 MERCEDES-BENZ GLS-CLASS receives a reliability score of 85/100, indicating above-average reliability. This is based on 21 owner complaints, 0 recalls, and 4 crash/fire reports in the NHTSA database. Key known issues include Airbag Suspension Failure and Spongy Brakes.
What are the known issues with the 2018 MERCEDES-BENZ GLS-CLASS?
Known issues with the 2018 MERCEDES-BENZ GLS-CLASS include: Airbag Suspension Failure, Spongy Brakes, Automatic Suspension Malfunction, Third Row Seat Lock Issue. These are based on patterns found across 21 NHTSA complaints.
Are there any known issues with the GLS-class?
Yes, there are known issues with the airbag suspension system and brake performance, which can lead to safety concerns.
How common are suspension issues in the GLS-class?
Suspension issues, particularly with the airbag suspension system, are relatively common, especially around 30,000 to 60,000 miles.
What should I do if I experience brake problems?
If you experience spongy brakes or other brake performance issues, it's important to have the vehicle inspected by a professional.
Buyer Advice
Our recommendation: Be cautious of potential suspension and brake issues, especially around 30,000 to 60,000 miles. Regular maintenance is crucial.
NHTSA Data Summary for 2018 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 2018 Mercedes-Benz Gls-Class. The data includes 21 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, 1 reported crashes, 3 fire incidents, 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