2019 Mercedes-Benz Gls Reliability ReportC+ grade · moderate risk · system-by-system breakdown
Quick Facts · 2019 Mercedes-Benz Gls
- The system most likely to surface first: airmatic air suspension (major severity).
- No active NHTSA safety recalls on record — a clean recall slate for the 2019 model year.
- Outscores the 2018 Mercedes-Benz Gls by 6 points — one of the stronger nearby years to consider.
Is the 2019 Mercedes-Benz Gls Worth Buying?
The 2019 Mercedes-Benz GLS is a luxurious and capable full-size SUV that offers a compelling blend of comfort and performance. While its initial build quality is strong, its inherent complexity and sophisticated systems mean owners must prepare for significant ongoing maintenance and potential repair costs, particularly as it ages. It's a fantastic vehicle for those who prioritize luxury and have a dedicated budget for its upkeep, but it's not a 'set it and forget it' proposition.
The 2019 Mercedes-Benz GLS is an outstanding luxury SUV that delivers on its promise of comfort, power, and prestige. However, its sophisticated engineering comes with a significant financial commitment for maintenance and potential repairs. Buyers must fully understand and budget for these elevated ownership costs;…
Best Model Years
2018-2019 (Final years of the X166 generation, most refined)
Years to Avoid
2013-2015 (Early X166 models, had more initial teething issues with various systems)
Biggest Strengths
- Robust core engine (V6) and transmission (9G-TRONIC)
- Excellent build quality and luxurious interior materials
- Sophisticated safety features and a comfortable, quiet ride
What Tends to Fail First on the 2019 Mercedes-Benz Gls
The systems that tend to fail first on the 2019 Mercedes-Benz Gls, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
Components like the air springs (bags), compressor, and valve block are prone to wear and eventual failure, leading to sagging, uneven ride height, or a complete loss of suspension. This is often due to age, environmental exposure, or co…
Glitches with the COMAND infotainment system (freezing, connectivity issues), various sensor failures (parking assist, ABS/ESP), and battery drainage issues are reported. These often stem from complex software, aging modules, or wiring.
Specifically on the M278 V8 engines (GLS 550, AMG GLS 63), valve cover gaskets, oil cooler seals, and turbocharger oil feed lines can develop leaks. These can be labor-intensive and expensive to repair, leading to oil consumption and pot…
2019 Mercedes-Benz Gls Mileage Danger Zones
The mileage windows when the 2019 Mercedes-Benz Gls most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the GLS is still relatively new. Focus should be on routine fluid changes (oil, brake fluid) and ensuring tire wear is even. Any initial manufacturing defects would likely have surfaced and been addressed under warranty.
Maintenance Zone
This mileage marks a point where more significant maintenance items become due, and wear-and-tear components start showing their age. The AIRMATIC system should be closely monitored for initial signs of stress or leaks.
Elevated Risk Zone
At this point, the likelihood of expensive component failures increases. Proactive inspections and budgeting for repairs like air suspension components, major engine gaskets, and larger electrical modules are prudent.
High Risk Zone
Beyond 120,000 miles, nearly all major components are operating past their intended service life for some original parts. Prepare for significant and potentially recurring repairs. A comprehensive reserve fund for repairs is essential fo…
2019 Mercedes-Benz Gls Ownership Cost Outlook
What it typically costs to keep the 2019 Mercedes-Benz Gls on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$800-1,200
Moderate Repairs
$1,500-3,000 occasionally
How Long Does the 2019 Mercedes-Benz Gls Last?
When considering a used 2019 GLS, prioritize examples with under 70,000 miles that have a complete and verifiable Mercedes-Benz service history to minimize immediate high-cost repair risks, and ensure a pre-purchase inspection is performed regardless of mileage.
What 2019 Mercedes-Benz Gls Owners Actually Say
What Owners Love
- Exceptional ride comfort and a serene cabin experience, even on long journeys.
- Powerful engine options provide confident acceleration for a large SUV.
- Luxurious interior design and high-quality materials throughout the cabin.
- Advanced safety features and driver-assistance systems enhance security.
Common Frustrations
- Significantly high maintenance and repair costs, often requiring specialized Mercedes-Benz service.
- Below-average fuel economy, especially with the V8 engines.
- The third-row seating can be cramped for adults on longer trips.
- Complex infotainment system can be clunky or slow to respond at times.
Who Should Buy the 2019 Mercedes-Benz Gls?
Best For
- Families needing abundant space and luxury for road trips.
- Buyers prioritizing a comfortable, opulent driving experience and brand prestige.
- Individuals with a robust annual budget specifically for luxury vehicle maintenance and repairs.
Not Ideal For
- Budget-conscious buyers seeking the lowest possible cost of ownership.
- DIY mechanics, due to the vehicle's extreme complexity and specialized tooling requirements.
How the 2019 Mercedes-Benz Gls Compares to Rivals
The GLS offers a superior blend of luxury, technology, and driving dynamics compared to many direct competitors. However, its complex engineering translates to higher potential repair costs than more conservatively engineered luxury SUVs like the Lexus LX, which prioritizes lo…
More Reliable Than
- Older Land Rover Discovery (pre-2017)
- Older Cadillac Escalade (pre-2015)
Comparable To
- Audi Q7 (V6 models)
- BMW X5/X7 (first generation)
2019 Mercedes-Benz Gls Recall History
No active NHTSA safety recalls on file for the 2019 Mercedes-Benz Gls. Always verify with your VIN atnhtsa.gov.
What breaks on the 2019 Mercedes-Benz Gls?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Mercedes-Benz Gls Years to Consider
Compare KeepScores across nearby years of the Mercedes-Benz Gls. Click any year for its full report.
2019 Mercedes-Benz Gls Alternatives
Similar class, similar year range — ranked by KeepScore.
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Frequently Asked Questions
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