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Used
Mercedes-Benz GLS 450
for sale
near
Windham, NH
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.



Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450
Vehicle information
Reviews
Benjamin Coppola
Smith Motors, and Ben Coppola was outstanding from start to finish with this process. He had outstanding customer service, and was very professional in handling all our questions, and concerns. I would recommend Ben and Smith Motors to all my family and friends!



Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450
Vehicle information
Reviews
Nice dealership, pleasant experience
My wife needs to retire her car. We are looking at three brands and this was our first stop. We spoke to Brockton and he made it a great experience. If she decides on the Mercedes we will be back.



Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Gold star treatment
Went to 3 other dealers before being reccomend to matt Harris and knew instantly it was our last stop. We has been treated like xxxx at the other dealers. 1 lied to us and another told us he would not replace bald tires on a 2 year old luxury vehicle. The second we met Matt we knew we were In great hands. My fiance got the Mercedes she wanted at a fair price and the vehicle recieved everything it needed in the shop before we looked at it. The finance guy treated us like human being and never once felt like I was being had. Oh I forgot to mention that I sold cars for the last 17 years so I recognized great people right away. We will always be loyal to Matt and appreciate everything he did for us



Mercedes-Benz Certified
2024 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Longtime Customer
I have been servicing my cars with Smith for over 35 years. Always attentive to my needs. Simply the best for Sales, Parts and Service.
Great SUV
My 2 honest cents. Just bought the 2024 GLS 450 and it has a huge presence on road and it looks stunning! I went with the AMG exterior package and it looks way better than the base model. Ride quality is good, very smooth ride on freeways but you do feel small bumps on occasional city roads. The engine is good but I wish it had a bit more power, feels little laggy at low speeds but when you floor it it moves fast and steering is very responsive. On the other hand, cabin very silent tho and you barely get to hear road noise (without acoustic package). The Mileage is incredible on this, wasn't expecting to write about it but the GLS gives better mileage than my GLC. Interiors are amazing and is something no other manufacturer in this segment can match (especially at night with ambient lights), seats are super comfy and the infotainment screens are also crisp. Overall, love this SUV and i'm gonna keep it for a while.



Mercedes-Benz Certified
2024 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Friendly and knowledgeable service
Greg Longo in service went above and beyond for me yesterday. Highly recommend Smith's friendly and knowledgeable staff. I will use Smith Motors for any warrantee work in the future.



Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450 4MATIC
Vehicle information



Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Amazing dealership inside and out.
Mercedes-Benz was extremely helpful when it came to helping me with the purchase of my new C300. The facility was immaculate and team very accommodating.
Vehicle information
Features
Reviews
I was working with a few different dealerships and none
I was working with a few different dealerships and none of the salespeople had the knowledge of Thomas at tulley they where very upfront and honest didn’t play and dealership games and got to my number no fighting back and forth
Used
2024 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Gary demonstrated the car professionally and answered all
Gary demonstrated the car professionally and answered all my questions usefully. He responded to my offer promptly and we were able to complete my purchase smoothly.
Used
2023 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Sam was very professional, straight up, and knowledgeable
Sam was very professional, straight up, and knowledgeable about the car. Pleasant to deal with.
Used
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Great experience and he asnwer all my quetions even after
Great experience and he asnwer all my quetions even after i left the dealer very good service i will recomend him for sure !!!thanks to Michael Doherty
Very happy with my purchase from RBM Alpharetta.
Very happy with my purchase from RBM Alpharetta. The car has a very comfortable interior with all the features available. Handles well in town and on long drives. Good acceleration for such a big vehicle. Love the contemporary exterior.

Mercedes-Benz Certified
2023 Mercedes-Benz GLS 450
Vehicle information
Reviews
Renan was professional, knowledgeable and friendly.
Renan was professional, knowledgeable and friendly. He helped me with my issue in a prompt timely manner.
Used
2020 Mercedes-Benz GLS 450 Base 4MATIC
Vehicle information
Features
Reviews
Cynthia, Ben, and Cory were great!
I recently bought a Certified Pre-Owned Mercedes-Benz E 450 at Mercedes-Benz of Portsmouth. It was a very nice experience working with Cynthia Acorace, my sales associate. When I picked up the car, they let me know that it was missing the key to the locking lug nuts, but they were ordering a new kit and would let me know when it was ready. Cynthia sent word to me that the kit came in and I could come at my convenience and a tech would change the locking lug nuts and give me the new key. I went in yesterday, and Cynthia took me to the service area where Cory Counsil was supervising the department. When Cynthia explained why we were there, Cory sighed and explained that there was a problem with the service software, and they had allowed all the techs to go home early. Cynthia escorted me to the customer lounge where I had a complimentary cup of fresh brewed coffee, and began to browse through the gift area where they sell Mercedes logo shirts, key chains, and coffee mugs. After a moment, I looked out the window and saw that Cory himself was changing my locking lug nuts. Within moments, Cory had gone the extra mile, and, even though there were no techs working, he took care of things personally and came to find me, telling me it was ready. Cynthia, caught up with me before I left and was concerned to see if I had any questions about the car, now that I had been driving for the first week after buying it. I did have some questions about the automated parking features and how to use the shift paddles. At that point, another sales associate, Ben Lamont, came over and gave me an encyclopedic dissertation on how the parking assist feature worked, and then he showed me how I could easily get in and out of manual mode with the shift paddles. Ben's enthusiasm for Mercedes automobiles was evident, and he made me really feel good about my purchase. From when I was first visiting the dealer, as an off the street shopper, browsing the inventory of cars, through the sales experience, and now as a customer needing help, I have visited this dealership a half dozen times over a 3 to 4 week period. During all those visits, everyone has treated me like a VIP. I was never made to wait, and any concerns I had were taken seriously and addressed immediately. I would recommend this dealer to anyone in the market for an upscale car, and tell you to ask for Cynthia or Ben.
Great Vehicle
I absolutely love the feel and performance of this suv. The electronics are state of the art. Excellent road performance in rain, snow or wind. My only complaint is the running board- it needs to be at least 1 inch wider. Actually dangerous in snow and ice.
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Used
2017 Mercedes-Benz GLS 450 4MATIC
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Used
2022 Mercedes-Benz GLS 450 4MATIC
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Used
2022 Mercedes-Benz GLS 450 4MATIC
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Mercedes-Benz Certified
2020 Mercedes-Benz GLS 450 4MATIC
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Mercedes-Benz Certified
2022 Mercedes-Benz GLS 450 4MATIC
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Used
2022 Mercedes-Benz GLS 450 4MATIC
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Used
2019 Mercedes-Benz GLS 450 4MATIC
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Used
2019 Mercedes-Benz GLS 450 4MATIC
Vehicle information
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Used
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features






Mercedes-Benz Certified
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
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Mercedes-Benz GLS 450 prices by year
Model year | Prices from | Deals |
---|---|---|
2025 Mercedes-Benz GLS 450 | $82,441 | 12 Good deals |
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
Used Mercedes-Benz GLS 450 by price
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Mercedes-Benz GLS 450 4MATIC
4 Great Deals out of 33 listings starting at $16,497
Used Mercedes-Benz GLS 450 by body style
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