Save your search and get notified when new inventory arrives.
Contact seller
Customize your budget
*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.
About your privacy: Cars.com is asking for your ZIP and credit rating because it helps us to make an educated guess at your sales tax and loan interest. These two factors can greatly change your monthly payment.
Used
Mercedes-Benz GLS 450
for sale
near
Ronkonkoma, NY
under $899,990
- 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 4MATIC
Vehicle information
Features
Reviews
PJ Uva was a pleasure to work with.
PJ Uva was a pleasure to work with. He was friendly, educated and made our overall experience a breeze. His follow through and communication was stellar. Many thx, PJ!!!
I’ve had many Mercedes-Benz models over the years,
I’ve had many Mercedes-Benz models over the years, including AMG’s and the GLS 450 a wheel drive with 23 inch wheels makes this car track like a race car. Out of all the Mercedes-Benz models this is the best one you’ve ever had. The second row seats reclining just like the front row seats privacy shades and the third row comes in handy when needed plenty of cargo space for all those trips to the airport to pick up family and friends. It gets great gas mileage then other SUVs and it doesn’t look like a box like it’s competition. I had the dealer put the Mercedes-Benz standup medallion on the hood even though it has a huge Mercedes-Benz insignia on the front. I just like to see the stand up Star medallion from the driver seat guide me down the road..
Used
2019 Mercedes-Benz GLS 450 Base 4MATIC
Vehicle information
Features
Reviews
excellent dealer
I would recommend this dealership to any of my friends. My experience was great with this dealer in purchasing the Mitsubishi outlander. Very professional. Excellent
I bought this vehicle is a retirement car.
I bought this vehicle is a retirement car. He moves great is responsive and very smooth. I wanted a retirement car for my retirement. I am 60 years old and I want that something that represent my current status with luxury interiors, beautiful blue color, and 20 inch wheels it is awesome looking. I can reach 70 in the blink of an eye any moves like it's going at 30 or 40 miles an hour. He has an awesome radio system. although it is not all digital, the radios are for listening. I have an excellent sound, System. Great interiors, great materials, great lighting if you're planning to buy a GLS the 450 is definitely one of your best choices.
Used
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
very happy with the service, Matt the service manager as
very happy with the service, Matt the service manager as well as Joe the service advisor were very helpful, for a small dealership they do care about the customer
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.
Used
2021 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Very polite and explained full history about vehicles
Very polite and explained full history about vehicles very smooth and comfortable deal Highly recommend
Love this car
This car met all my needs and more. Love the interior and the way its moves. So comfortable and reliable! Very pleased with this car!
Used
2023 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Wow my experience with Yemin was amazing he got me out of
Wow my experience with Yemin was amazing he got me out of my old truck & into a new one 👍🏼
Used
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Excellent experience Yemin a true professional you have a
Excellent experience Yemin a true professional you have a customer for life thank you for the easy transaction
Used
2023 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
After looking for months at MINI dealership in the
After looking for months at MINI dealership in the tri-state area and as far as Pennsylvania looking for used car I found that South shore Mitsubishi had the best sales team. The entire staff and all people involved were very pleasant and professional very helpful and very energetic about every aspect of the process unlike other places that seem to be just non-interested trying to just blanket sales somehow. The team from top to bottom or excellent and I would not hesitate to recommend the steelership to anyone looking for a good car and professional and courteous people to deal with.
Mercedes-Benz Certified
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Buying a 2017 E300 for the right for price
It’s probably one of the best luxury car dealership in New York if not in the country, and Victor Cosme our sales consultant made that possible .
Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Stanley was really a great help.
Stanley was really a great help. He showed me features on my vehicle and even went out of his way to help me enroll in auto pay. Great guy!
Used
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
I recently purchased a 2020 Audi Q8 from Turn Auto Mall,
I recently purchased a 2020 Audi Q8 from Turn Auto Mall, and I couldn't be more pleased with my experience! I got an amazing price and a great APR rate. Jesus, Arthur, and Elysha were fantastic to work with—professional, friendly, and knowledgeable. They made the entire process smooth and easy. I highly recommend this dealership to anyone looking for a great deal and top-notch service!
Used
2023 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Mercedes of Massapequa makes shopping for a car easy and
Mercedes of Massapequa makes shopping for a car easy and effortless. Albert helped me through the whole process of buying the car and getting the best deal possible. 100% recommend this dealership and make sure to ask for Albert!
Used
2023 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Best customer service and very smooth process.
Best customer service and very smooth process. Highly recommend going to Albert Salib. He made the purchase smoothly. I recommend my family and friends to see Albert!!
Used
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Excelente servicio , muy amables AJ muy amable fue una
Excelente servicio , muy amables AJ muy amable fue una experiencia excelente. Good, very happy. Thank you
Used
2020 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
I got my AMG GLE 43 At first I was skeptical because of
I got my AMG GLE 43 At first I was skeptical because of some of the bad reviews but they got me right ! Thanks turn auto mall|
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.
Mercedes-Benz Certified
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Gets the job done!!!
All I can say salesman’s nick is the best I was very very upset but somehow he worked it out for me great communication well spoken etc. and that smile is a winner every time
Mercedes-Benz Certified
2024 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Excellent Service
This is our fourth Mercedes and Steve Verras has been our sales person since the beginning. He has excellent knowledge of the vehicles and an amazing personality. He makes the entire process quick and easy. The entire team at Mercedes Benz of Huntington NY gets an A from me, from Klint Papadelias in in the Service Department, Gregg Weiss in the Finance Department they are all very friendly and very helpful.
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
2022 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Excellent service
Had a slight recall issue that was dealt with fast and professionally. They went the extra mile to accommodate my busy schedule and were super nice! With 3 mercedes I can’t recommend them enough!
Used
2019 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Features
Reviews
Had a great experience, staff very helpful and friendly.
Had a great experience, staff very helpful and friendly. We were JC’s first customers as he was hired by universal autos as salesman. Although JC already had 10 years experience selling cars, he made us feel like we were his first customer. I can’t say enough about all the staff, very kind and want you to leave feeling great. Great Dealership and awesome staff, I would definitely go here first on my next car purchase. 5 stars !
Muy confiable seguro excelente
Tiene mucho espacio, perfecta para lo que necesitaba, muy cómoda, segura para mi famlia este modelo es un espectáculo, los asientos muy cómoda, buen motor.
Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
THE BEST IN THE INDUSTRY
Fortunately for me I had the best experience with Mercdes of Smithtown. I own a seamless Gutters company and have purchased 4 Diesal mercedez trucks since 2020. Joe my sales men went above and beyond. The dealership treated me so fairly. We did business by phone and I could not say better things about this location. In fact I will be calling them to buy another truck soon. Keep up the great work, and awesome Customer service.
Mercedes-Benz Certified
2025 Mercedes-Benz GLS 450 4MATIC
Vehicle information
Reviews
Again, I had the great experience of dealing with my
Again, I had the great experience of dealing with my sales Representative Paul DeMicco,and PeterLanglois I Finance, it was like family, Paul searched all states for the car i wanted, and found it in Tennessee, and had it shipped to Smithtown, how many Sales Representative would do that,the car is amazing, and I definitely would recommend them to everyone, if you are looking for a Mercedes Benz,,please go to Mercedes Benz of Smithtown.
*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.
Compare the Mercedes-Benz GLS 450
- ${price_badge()}
- ${ami_badge()}
- ${battery_badge()}${ev_report_link()}
- ${hot_car_badge()}
- ${award_badge()}
- ${cpo_badge()}
${price_badge_description}
${ami_badge_description}
The EV Battery Rating is based on this vehicle's current expected range relative to the vehicles expected range when new. ${battery_badge_text}
This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.
