Used 2020 Mercedes-Benz GLS-Class SUV Consumer Reviews
Used GLS-Class for sale
See Edmunds pricing data
Has Your Car's Value Changed?
Used car values are constantly changing. Edmunds lets you track your vehicle's value over time so you can decide when to sell or trade in.
Beautiful combined with no QC
John Gamble, 12/22/2020
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
41 of 41 people found this review helpful
The ride is absolutely stunning and the interior is downright beautiful. We love the tech and features... kids can’t get enough of the ambient lighting options. But there’s a catch. The build quality just plain sucks. We’re had the car for 2ish months, and it’s already spent 9 days in the shop. First, the high fan made a crazy loud noise. Then the rain sensing wipers didn’t sense rain. Now we have a window that sounds like it is going to fail when we roll it down. Also there appears to be a subtle fit issue on the rear bumper. These cars are built in the US, and I get the sense that they have no idea how to put them together. There is so much tech, and so many points of failure. I feel like we are going to have a very close relationship with the dealer over the life of this car. At least it’s pretty and drives well. Update on 1/4/2020 - Two more issues after getting the car back last week... a check engine light and a warning that the collision avoidance system is disabled because the sensor is dirty (the sensor does not appear to be dirty). A word to the wise... think long and hard before buying this car.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Hey Mercedes!
Bret, 03/13/2020
updated 09/23/2024
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
37 of 37 people found this review helpful
I just bought this SUV so I am just learning all it can do. The coolest thing about it is the voice-activated commands. I’ve had earlier voice-activated interfaces but they didn’t work that well. This one works. If you have an Apple you’re familiar with Siri. Here you say “Hey Mercedes”. The voice says how can I help you? You say navigate to (wherever) and the navigation routes you to (wherever). You say turn on heated seats, the car turns on the heated seats. You say call (someone in your contacts), the call calls that person. Etc, Etc. Very Cool. Six month update: I still love the car. It gets great gas mileage for a big SUV. One odd thing I could do without is when the Nav route is programmed and you come to a turn, the dash shows the view in front of the car. So the dash shows the same thing as looking through the window. It’s kinda annoying and utterly unnecessary. Just came back from a coast to coast road trip in my GLS. I still like the car, but here a a few shortcomings: Nav system wanted to route us off the interstate and through the city to put us back on the interstate?? We ended up just ignoring the nav system and continuing on the interstate. This happened multiple times. Adaptive cruise control was very aggravating. On posted 70 mph interstates, I set cruise control @ 75 mph to keep with traffic flow. The car would often catch a signal and slow to 70 mph. Additionally, car would slow around curves. Both instances very aggravating as rest of traffic continued at constant speed. Finally, the steering seemed to get squishy, or loose when the cruise control was engaged. Not sure I would get adaptive cruise control again. Positives: very comfortable ride and 26 mpg. Two year update. I still really like the ride and comfort of this vehicle. The biggest annoyance I have is the Navi guidance. It often makes nonsensical routings. I previously mentioned how it would want me to get off the interstate to go thru the city just to get back on. Another example: I wanted to find a Home Depot. It found one < 5 miles ahead on the same street I was on. The Navi wanted me to turn right, jump on the freeway, exit the freeway to put me back on the street I was already on. I ignored the Navi, just went straight down the street. I do this often and let the Navi recalculate the route from my better route. For a system that has ‘learning’ capabilities, it’s pretty dumb. Google directions is much better and gives multiple routes to choose from. Update: don’t like how message appears ‘2nd row right & 2nd row left seats not locked’ when you have the 2nd row seats down. Message appears in place of odometer read out and you have to manually toggle twice (once for each seat) every time the car is started. Update: I've owned the vehicle 4.5 years now. I really enjoy it. I would recommend it to anyone looking for a luxury SUV. I would NOT recommend getting the adaptive cruise control. I was short sighted in not getting the towing package.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
2020 Mercedes-Benz GLS-Class for sale near you
Showing 3 of 19 listings
- GLS 450 4MATIC 4dr SUVMSRP: $46,48824 mi away
- GLS 450 4MATIC 4dr SUVMSRP: $43,998In-stock online
- GLS 580 4MATIC 4dr SUVMSRP: $37,800In-stock online
See all 19 listings
GLS580 issue
GLS 580 owner, 12/22/2019
updated 06/26/2020
2020 Mercedes-Benz GLS-Class GLS 580 4MATIC 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
45 of 46 people found this review helpful
Our new GLS580 with just 108 miles is back at dealer with severe heat issue in center console. So hot, we were worried about fire. Very disappointed that it is now laid up till issue is found and resolved. Driving it was great, but short lived for now sadly. Update - false alarm, it turns out second row system was set at factory on high heat and the second row vents were closed so all the heat that goes under console could not get out. Stupid problem that was easy to resolve. This is our third GLS and WOW what a difference in ride and technology!
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Plastic parts that easily break....
Patrick, 11/14/2020
2020 Mercedes-Benz GLS-Class GLS 580 4MATIC 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
30 of 32 people found this review helpful
1. Rear seat stuck on day 1. In repair for 7 days 2. Hood latch broken on day 1. In repair for 7 days. 3. Coolant alarm went off on 3rd day. In repair for 1 day 4. 2nd row center console latch broke after 1 month. Still waiting for parts since 2 months ago. 5. Dealership (Mercedes Benz of Walnut Creek CA) was not forthcoming when I got delivery. Although the price was similar, the car sold to me was missing a couple of items I special ordered. I trusted they would tell me if my order wasn’t met. So if you custom order from this dealership, make sure you run through your checklist before signing. I made a mistake of trusting them to tell me it was incomplete.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Superb
2020 GLS 459, 03/08/2021
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
12 of 12 people found this review helpful
Struggled with finding a replacement vehicle for our beloved 2013 Toyota Highlander that took the brunt of abuse from the dual kid booster-seat phase of our family life. Since we had bought the Toyota, I bought a CPO 2014 E350 sedan that we’ve had now for 4 years. The E350 was my first MB and has been a dream to own. So MB was at the top of my list for the Toyota replacement. Given cost, we shopped everything under the sun from $100k down. At the end of the day, only the 2020 GLS in second-row bench seat configuration would do. Nothing could match it in an overall satisfaction category. We now have nearly 20k miles on it, and have zero complaints. It’s a dream to cruise down the highway in, it’s super easy to navigate the Costco jungle, and with the combination of the turbo and 48v mild-hybrid system the 3.0 I-6 engine is deceptively powerful, there is truly 0% need for the V8 unless of you just want to have it. But note, one of the differences is weight between the two engines. The I6 configuration feels almost tossable and easy, not lumbering and heavy, even though it is a very heavy vehicle. We average about 24mpg fully loaded down on the highway. We had one “assembly” issue with the drivers window motor. But considering the car is totally new from the ground up, and the boys and girls in Alabama were trying to build them during a freakin’ global pandemic lockdown - I cannot complain as MB fixed it with absolute ease. I also have one of the first Mk7 VW GTI’s produced from the Mexico factory (2015) and it too had a couple of minor glitches to correct, which they did early and it’s been perfect for 6 years and counting now. End of the day, if the GLS is in your eyesight, then it’s going to be tough to beat it. I personally recommend the 21” wheels as they really make the car look great. We’ve not had any issues with our wheels and we’ve hit some nasty potholes already. True, the factory tires (p-zero) won’t last much past 25k on normal driving, but they can now come with Michelin too, which have tread warranty coverage to 40k. We will be replacing ours with the Michelin’s this year We get compliments from many over the car. Lots of interest in it from the luxury SUV crowd, and MB fans in general. We will be having this car for a very long time because there is just nothing else out there that we like as much. The tech is great. Yeah takes a day or two to get used to it all, but once you’re past that, it’s just second nature to use it on the fly. The interior materials are superb and will clearly last a very long time, and the design is timeless both inside and out, not gimmicky or “modern for the moment”, just timeless. It’ll look fantastic and fresh in 5 years from now, not tired and overly duplicated.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Appalling
Doc disappointed with MB, 09/21/2021
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
19 of 20 people found this review helpful
Leased from MB Manhattan in 2019. Within weeks problems emerged. Electrical most significant with warning lights, bulbs out, parts not working. After a lot of complaining they agreed to replace the car. Delivered replacement months later with center console not attached and rear seat arm rest dangling to floor. This car is worse. The entire cabin creaks and especially on drivers side. Not just a slight raffle but sounds like was in a collision and car out of whack. They have dragged us in at least a half dozen times to fix. Should not have this issue with an $85,000 suv. Now the rear passenger door is separating from the door frame. Spent enormous amount of my time to get them to agree to take the car back. Now just waiting for suv availability from another manufacture. Is it MB Manhattan or just MB? Quality and customer is a disaster, and bordering on corrupt.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
The Best of All Worlds
Car Enthusiast/Mother , 11/27/2019
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
39 of 43 people found this review helpful
I have tried parting with the MB GL series, but I keep getting lured back in all good ways. This is my fourth GL series (eighth MB), and not because I lack creativity or dislike change. I have researched and test driven most luxury SUVs looking for an equitable alternative, to no avail. First and foremost, no other car matches the safety features of a Mercedes Benz. Period. Other brands tend to rollout the same safety features 7-10 years behind MB. As a parent whose priority is to keep our kids safe this could well be the end of the discussion, but let’s keep going for the sake of fun. In addition to groundbreaking technology that has consistently worked and kept our family safe (Driver Assist, PreSafe, etc.), the GLS450 offers the most comfortable and luxurious ride, whether you are looking for smooth sailing or the excitement of sports cornering and braking, all adjustable via touchscreen or voice command. “Hey Mercedes” is our new “Alexa,” always ready to give guidance, change ride settings, or simply adjust the interior ambient colors to match the family mood. The new infosystem takes a bit getting used to, not because it is difficult to understand, but because there are so many options and ways to get to the information you need. What I do miss from my old GLS is the recessed sunglass holder above the rearview mirror, but based on all that I’ve gained in return, I don’t mind finding a new pad for my shades. Favorite features: safety, safety, safety. Driver Assist, Attention Assist, PreSAFE (front/rear/sound), all wheel drive, MICHELIN tires (finally!), adaptive lighting, image quality of 360 view camera and ease of use/parking. Soft door close, openness of a panorama roof and the cave feel when the roof shades are closed, no-fuss bumper to bumper warranty, same color interior headliner, reliability, service loaner. Cons: the GL is a heavy car and there is a price to pay for its “sedan-like” handling and that is wear and tear of brakes and tires. Visibility is slightly worse in MY2020, but still better than other cars and not an issue for driving safely. No sports appearance package. The verdict is still out on the captains’ chairs configuration. Past cars owned: 2017 MB GSL450 2014 MB GL550 2010 MB GL450 2007 MB E350 2007 MB ML350 2004 MB E350 2001 MB C300 1999 BMW 325 1996 BMW M3 1994 Ferrari 348 1992 BMW 325 1989 Range Rover
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Big Disappointment!!
dawdaw56, 04/25/2022
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
14 of 15 people found this review helpful
This is my 2nd MB SUV…first was 2016 GLE 350 - I loved this vehicle. Now 2020 GLS 450 has been a very disappointing experience from dealership and vehicle performance. I have 28806 Miles and am waiting on a tow!!! Next vehicle will not be an MB. Today 45V battery not charging and upon searching; I see this has been an issue for many owners. Do yourself a favor - DON’T BUY IT! Now to figure out what I will be buying next; I can assure you it won’t be a Mercedes!
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Dream Car
Flyfanatic , 08/19/2020
updated 02/22/2022
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
11 of 12 people found this review helpful
The GLS is beautiful, fun to drive, extremely comfortable, and solid. I only wish the running board was 1 or 2 inches wider. As it is it makes ingress and egress difficult.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Avoid the 23”!! Zero customer service
to, 11/05/2020
2020 Mercedes-Benz GLS-Class GLS 580 4MATIC 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
20 of 25 people found this review helpful
Well let me tell you. I bought this ride in March 2020. I’ve put on 12,000mi (20,000km) in 6 months. The rear tires are bald, un-drivable!. Already very upset until I was given a quote for new rubber. How does $3500cdn strike you! What! At this rate I need to replace my tires twice a year for my cost of $7,000 a year in rubber But wait. I love in Canada. I need all season tires. Nope. They only make Pirelli Pzero tires for this rim. Ok. No all season. Winter tire&rim pkg. Yup. $6,000 fir a set of winters. Great deal. Don’t forget you can only drive those half the year still need to replace my Pzero’s after every summer! Ok. Let’s put the factory 21’s on it.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Loving it
Sammy, 08/24/2020
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
6 of 7 people found this review helpful
It took me almost a year to make a decision on a new suv. I’ve looked at BMW, Porsche, Volvo, Audi, etc. I was paralyzed by analysis. I’m so glad I went with GLS. It’s my first time owning a MB. Even though it’s a large SUV, it’s very easy to drive. I love the comfort and the handling. MBUX is awesome. I love finding different options on it. I’m a believer in MB now.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
GLS450 Awesome Technology
Rick, 09/19/2020
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
6 of 7 people found this review helpful
Overall vehicle has improved significantly since my 2017 GLS450. Great interactive screens in vehicle. Voice command controls work well. Overall ride & performance has improved greatly.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
Love it
G and K, 12/16/2020
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
5 of 6 people found this review helpful
Shopped many top brands before choosing MB. Was looking for a car we could drive 10-12 years that had a comfortable 3rd seat. This car covered all the bases: seat comfort , front and back, ease of access to 3rd row, lots of pep, awd, cabin luxury , quiet and handles like a dream. Multiple tech features literally at your finger tip are the icing on the cake.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
What’s not to like
Robert , 06/28/2020
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
6 of 9 people found this review helpful
They finally updated the GLS class in 2020 to be the S Class SUV. It is awesome!
Love it
Clarice Husband, 11/02/2020
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
1 of 7 people found this review helpful
Price
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value