The 2020 Mercedes-Benz GLS-Class represents the third generation of Mercedes' full-size luxury SUV, tracing its roots back to the GL-Class introduced in 2006. It's a three-row SUV offered in trims like the GLS 450 and GLS 580. Pricing ranged from approximately $76,000 to well over $100,000 depending on options. Its opulent interior, advanced technology, and smooth ride contribute to its popularity, offering a luxurious experience for families needing space and refinement.
The Good
The 2020 GLS offers powerful performance with smooth engine options and air suspension for exceptional comfort. Its luxurious design and advanced technology appeal emotionally, while its spaciousness and available driver-assistance features attract practical buyers. While not the most efficient, it offers a premium experience commensurate with its price, focusing on ride quality and a prestigious ownership experience.
The Bad
Potential weaknesses of the 2020 GLS include its higher price point compared to some competitors. The complex technology can sometimes be prone to glitches. Some owners have reported issues with the air suspension system. Fuel economy is not a strong suit, particularly with the more powerful engine options. Carefully inspect the electronics and suspension during pre-purchase.
2020 Mercedes-Benz GLS-Class: Quick Overview
- Engine Options:
- GLS 450: 3.0-liter turbocharged inline-6 with EQ Boost (mild hybrid)
- GLS 580: 4.0-liter twin-turbo V8 with EQ Boost (mild hybrid)
- Horsepower:
- GLS 450: 362 hp
- GLS 580: 483 hp
- Fuel Economy (EPA Estimated):
- GLS 450: 20 mpg city / 24 mpg highway
- GLS 580: 16 mpg city / 21 mpg highway
- 0-60 Times:
- GLS 450: Approximately 5.9 seconds
- GLS 580: Approximately 5.2 seconds
- Towing Capacity: Up to 7,700 lbs (when properly equipped)
- Trim-Level Features:
- GLS 450: MBUX infotainment system with dual 12.3-inch displays, Apple CarPlay and Android Auto, heated front seats, power-folding third-row seats, sunroof, adaptive air suspension, LED headlights.
- GLS 580: All features of the GLS 450 plus: upgraded leather upholstery, massaging front seats, five-zone climate control, and enhanced interior trim, Active Ride Control suspension.
2020 Mercedes-Benz GLS-Class Specifications
Vehicle Information
| Year | 2020 |
| Make | Mercedes-Benz |
| Model | GLS-Class |
| Trim | - |
| Style | SUV |
| Type | Sport Utility Vehicle |
| Category | Standard Sport Utility Vehicle |
Manufacturing Details
| Made In | United States |
| Manufacturing City | VANCE |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 3628.74 kg |
| Overall Height | 182.37 cm |
| Overall Length | 521.21 cm |
| Overall Width | 202.95 cm |
| Wheelbase Length | 313.44 cm |
| Standard Seating | 7 |
Engine & Performance
| Engine | 3.0-L I6 |
| Engine Size | 3L |
| Engine Cylinders | 6 |
| Transmission | 9-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 9-Speed |
| Drivetrain | All-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $97,800 USD |
| Invoice Price | - |
| Delivery Charges | $995 USD |
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Analysis
What Problems Does the 2020 Mercedes-Benz GLS-Class Have?
Frequently reported problems for the 2020 Mercedes-Benz GLS-Class, while not widespread, often revolve around its complex electronics and air suspension system. Some owners have reported glitches with the MBUX infotainment system, including screen freezes or unresponsive controls. Issues with the air suspension, such as premature wear or failure of components, have also been noted. These problems can be costly to repair due to the sophisticated nature of the systems.
Recalls, if any, should be checked via the NHTSA website using the VIN of the specific vehicle in question. Long-term reliability concerns primarily stem from the potential for expensive repairs related to the advanced technology and suspension components. As with any luxury vehicle, consistent and meticulous maintenance is crucial to mitigate potential issues. It's recommended to review service records and consider a pre-purchase inspection by a qualified mechanic, especially focusing on the electronic systems and suspension functionality. Staying informed about any Technical Service Bulletins (TSBs) issued by Mercedes-Benz can also help proactively address potential problems.
Recalls, if any, should be checked via the NHTSA website using the VIN of the specific vehicle in question. Long-term reliability concerns primarily stem from the potential for expensive repairs related to the advanced technology and suspension components. As with any luxury vehicle, consistent and meticulous maintenance is crucial to mitigate potential issues. It's recommended to review service records and consider a pre-purchase inspection by a qualified mechanic, especially focusing on the electronic systems and suspension functionality. Staying informed about any Technical Service Bulletins (TSBs) issued by Mercedes-Benz can also help proactively address potential problems.
How long will the 2020 Mercedes-Benz GLS-Class last?
With proper maintenance, a 2020 Mercedes-Benz GLS-Class can reasonably be expected to provide 150,000 to 200,000 miles or 10-15 years of service. However, achieving this lifespan depends heavily on consistent adherence to the recommended maintenance schedule. Long-term durability can be affected by the complexity of the vehicle's systems; the air suspension and advanced electronics are potential weak points that may require attention as the vehicle ages. Regular fluid changes, timely replacement of wear items, and proactive attention to any warning signs are crucial for maximizing longevity.
What Technology & Safety Features are Included?
The 2020 Mercedes-Benz GLS-Class boasts a comprehensive suite of technology, entertainment, driver-assistance, and safety features. Standard features include the MBUX infotainment system with dual 12.3-inch displays, Apple CarPlay and Android Auto compatibility, navigation, and a premium sound system.
Driver-assistance features include active brake assist, lane keeping assist, blind spot monitoring, and adaptive cruise control. Optional features include active lane change assist, route-based speed adaptation, and a surround-view camera system.
Safety features include multiple airbags, stability control, and anti-lock brakes. Optional safety features include a head-up display and night vision assist.
Crash-test ratings from the NHTSA and IIHS should be consulted for the most up-to-date information, but the GLS generally performs well in crash tests due to its robust construction and advanced safety technology. Overall, the 2020 GLS offers a very advanced and comprehensive tech package, enhancing both convenience and safety.
Driver-assistance features include active brake assist, lane keeping assist, blind spot monitoring, and adaptive cruise control. Optional features include active lane change assist, route-based speed adaptation, and a surround-view camera system.
Safety features include multiple airbags, stability control, and anti-lock brakes. Optional safety features include a head-up display and night vision assist.
Crash-test ratings from the NHTSA and IIHS should be consulted for the most up-to-date information, but the GLS generally performs well in crash tests due to its robust construction and advanced safety technology. Overall, the 2020 GLS offers a very advanced and comprehensive tech package, enhancing both convenience and safety.
What Colors Options are Available?
Exterior Colors
Black
Polar White
Obsidian Black Metallic
Iridium Silver Metallic
Mojave Silver Metallic
Emerald Green Metallic
Lunar Blue Metallic
designo Cardinal Red Metallic
designo Diamond White Metallic
Selinite Grey Metallic
Interior Colors
Black Nappa Leather
Espresso Brown Leather
Macchiato Beige Leather
Black MB-Tex
Espresso Brown MB-Tex
Macchiato Beige MB-Tex
Black Exclusive Nappa Leather
Espresso Brown/Magma Grey Exclusive Nappa Leather
designo Cashmere White/Black Exclusive Nappa Leather
designo Saddle Brown Exclusive Nappa Leather
2020 Mercedes-Benz GLS-Class Prices and Market Value
When new, the 2020 Mercedes-Benz GLS-Class had a starting MSRP of around $76,000 for the GLS 450 and climbed well into the $100,000s for higher trims and options. As of late 2023/early 2024, used market prices typically range from $50,000 to $75,000, depending on mileage, condition, and trim level.
Depreciation is significant in the first few years. Factors affecting resale value include the vehicle's condition, mileage, service history, and the presence of desirable options. Models with fewer miles, a clean Carfax report, and popular options like the AMG Line package tend to hold their value better.
Depreciation is significant in the first few years. Factors affecting resale value include the vehicle's condition, mileage, service history, and the presence of desirable options. Models with fewer miles, a clean Carfax report, and popular options like the AMG Line package tend to hold their value better.
2020 Mercedes-Benz GLS-Class Cost of Ownership
The 2020 Mercedes-Benz GLS-Class is generally considered costly to own. Insurance premiums are typically higher due to its luxury status and high repair costs. Fuel consumption, especially with the V8 engine, is significant. Maintenance, including scheduled services and potential repairs to the complex electronics and air suspension, can be expensive. While it provides a luxurious experience, potential owners should be prepared for higher than average long-term ownership costs compared to non-luxury SUVs.
2020 Mercedes-Benz GLS-Class Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
43.19 liters
City Mileage
5.27 km/l
Highway Mileage
4.34 km/l
2020 Mercedes-Benz GLS-Class Safety Rating
NHTSA
2020 Mercedes-Benz GLS-Class Warranty
Basic
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Rust
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
2020 Mercedes-Benz GLS-Class Insurance
Insurance for a 2020 Mercedes-Benz GLS-Class is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2020 Mercedes-Benz GLS-Class Compare to Other Sport Utility Vehicle?
The 2020 Mercedes-Benz GLS-Class competes with SUVs like the BMW X7, Audi Q7/Q8, Range Rover, and Cadillac Escalade. In terms of performance, the GLS offers a balanced blend of power and comfort, similar to the X7. Feature-wise, it's highly competitive, offering a comprehensive suite of luxury amenities and advanced technology. However, some rivals, like the Cadillac Escalade, offer more space.
Reliability is a potential area where some competitors, such as the Lexus LX, may have an edge. The Range Rover, while luxurious, is known for higher maintenance costs.
In terms of price, the GLS is positioned in the upper end of its class. Alternatives to consider include the BMW X7 for similar driving dynamics and features, the Audi Q7/Q8 for a slightly more affordable and technologically advanced option, or the Cadillac Escalade for those prioritizing space and bold styling. If reliability is a primary concern, the Lexus LX might be a better choice, though it sacrifices some of the GLS's modern tech features.
Reliability is a potential area where some competitors, such as the Lexus LX, may have an edge. The Range Rover, while luxurious, is known for higher maintenance costs.
In terms of price, the GLS is positioned in the upper end of its class. Alternatives to consider include the BMW X7 for similar driving dynamics and features, the Audi Q7/Q8 for a slightly more affordable and technologically advanced option, or the Cadillac Escalade for those prioritizing space and bold styling. If reliability is a primary concern, the Lexus LX might be a better choice, though it sacrifices some of the GLS's modern tech features.
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| 3 | 2023 Lexus GX | (0.0★) |
| 4 | 2024 Mazda CX-90 PHEV | (0.0★) |
| 5 | 2024 Subaru Crosstrek | (5.0★) |
| 6 | 2024 BMW iX | (0.0★) |
| 7 | 2023 Ford Bronco Sport | (3.0★) |
| 8 | 2023 Mercedes-Benz EQB | (0.0★) |
| 9 | 2024 Chevrolet Trax | (5.0★) |
| 10 | 2023 Audi A4 allroad | (0.0★) |
| 11 | 2023 Hyundai Kona N | (0.0★) |
| 12 | 2023 Nissan ARIYA | (5.0★) |
| 529 | 2020 Mercedes-Benz GLS-Class | (0.0★) |
Final Verdict: Is the 2020 Mercedes-Benz GLS-Class a Good Sport Utility Vehicle?
The 2020 Mercedes-Benz GLS-Class is ideal for families seeking a luxurious and spacious SUV with advanced technology and a comfortable ride. It's worth buying if you prioritize these qualities and are prepared for potentially higher ownership costs. A used GLS can offer significant value, but a thorough pre-purchase inspection is crucial, focusing on the air suspension and electronics. Consider the GLS 450 for a balance of performance and efficiency, or the GLS 580 for more power. Ensure the vehicle has a well-documented service history to mitigate potential reliability concerns.
Eugene S
Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.