Sean Sullivan

Mercedes-Benz of Sugar Land deserves ZERO stars! !!! This is the worst dealership experience ever!!! The customer service sucks! Management does not even respond nor properly address any issues. Ther !!! This is the worst dealership experience ever!!! The customer service sucks! Management does not even respond nor properly address any issues. There is an overall nonchalant careless attitude! On May 16, 2025, we visited the dealership to possibly trade-in our G-Wagon. The salesman lied about the value of our 2025 G550 Brilliant Blue G-Wagon trade-in just to make a sale. The salesman told us where they would list our vehicle in the $150,000's (in essence means $159,999.99 max) but completely lied to us. We were given a trade-in of $152K, so this means they would list it for up to $159,999, but it is listed online at to sell at $169,999. This means the salesman devalued our trade by $10,000 to LURE use into the deal just to make him a sale! This was brought to the attention of management up to the owner of the dealership but still NO resolution. On June 2, 2025, the new 2025 GLE AMG 53 vehicle that we purchased, about two weeks now, with only 290 miles on it, we had a scheduled appointment to visit the dealership and tried to trade the GLE back, and the pre-owned car manager devalued the new GLE car by another $16,833 less than payoff! This is completely greed and now another $16,833 they attempted to get from us! This totals $26,833 and the pre-owned sales manager only offered $5,000 which is completely ridiculous! This was brought to the attention of upper management, also emailed to the generic email address they will tell you to email your complaints to, and I emailed what I imagine is the email address of the owner of the dealership, but NO resolution has taken place whatsoever! The only response made was to my Better Business Bureau complaint where I noticed they have a D- rating. And the responses they made to my complaint were lies made by the person who responded and they took no ownership nor accountability whatsoever regarding the original deal we were falsely lured into by their employee, the salesman. I can say from my experience with them, it has been proven to date that... MERCEDES-BENZ OF SUGAR LAND DOES NOT CARE ANY ABOUT THE CUSTOMER NOR CARE ABOUT YOU AFTER THE SALE ONLY REVENUE GENERATION!!! I was onsite and part of the deal with my wife to witness all the lies firsthand by the salesman. Don't just take my word, read all the other reviews on Mercedes-Benz Sugar Land online, most of them are negative. I suggest taking your business to other Houston Area Mercedes-Benz dealerships who cares about the customer, attempts to resolve issues that arise, and who looks to build relationships with new customers, not take advantage of them with lies to make a dollar! More

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I came in to purchase a Vehicle. The Dealership is Nice and Very Clean. Pete Sanchez was my Sales Person and he's very Professional. My time was respected and he made the transaction The Dealership is Nice and Very Clean. Pete Sanchez was my Sales Person and he's very Professional. My time was respected and he made the transaction so smooth than expected. The conversations with him was very interesting and he's very knowledgeable about the Car i wanted. I can't recommend him enough. Couple of Vehicles was purchased thru him. Thanks Pete. More

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Sean Sullivan is not an effective manager. He does not care about the dealership and customer relation. I Had a situation with an employee. Called Sean Sullivan and left messages three times. He never re care about the dealership and customer relation. I Had a situation with an employee. Called Sean Sullivan and left messages three times. He never returned phone call. This is the reason the dealership is going down. Bad people. More

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Great place One of the BEST car buying experiences ever. I went in on a Monday at 1:40 pm and was done signing my deal by 3:02 pm! The sales team consisting of V One of the BEST car buying experiences ever. I went in on a Monday at 1:40 pm and was done signing my deal by 3:02 pm! The sales team consisting of VP Sales Sean S., Sales Assoc. Pete S. Delivery Specialist Sara A. , and Finance Mgr. Anil S. were the most professional TEAM assembled. After being told by Sandy at MB-Greenway, I was disliked by PJ their Sales Manager, this sales experience was refreshing. They were HONEST, FAIR, PATIENT, and ATTENTIVE of my needs. The Team, answered all questions, explained the process, and kept the buying experience professional. I love my new 2019 vehicle and I would highly recommend MB Sugarland! I was treated with respect and dignity just as the “guys” purchasing their vehicles were treated. As a female, your car buying experience shouldn’t be intimidating or overwhelming; this is the store where all Females are afforded the same car buying experience as Males. Clients won’t endure high-pressure sales tactics, falsehoods about pricing, and condescending dialogue; what you will receive is the type of car shopping experience you deserve. I highly recommend the MB Sugarland Store for all your vehicle purchase needs. For “inner loopers” like me the drive to Sugarland MAY seem like a world away but I can assure you it’s worth the drive. The Store has more of a FAMILY feel to it as opposed to a major corporate car dealership only interested in moving units. Save yourself the hassle and stress of “wondering if you’ll receive a fair deal” at other dealerships and make the drive to Sugarland, it’s worth it. You will be greeted with a smile and you’ll drive away in your new vehicle with an even bigger smile! More

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Sean Sullivan is ALL TALK NO ACTION Sean I don't know how you scammed to get your job but your terrible at it. I wouldn't trust you to sell me a hot wheels car. Sean I don't know how you scammed to get your job but your terrible at it. I wouldn't trust you to sell me a hot wheels car. More

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Disingenuous Stunned...the only words I have after wasting a month dealing with Mercedes-Benz of Sugarland. That being said I now completely understand the class a Stunned...the only words I have after wasting a month dealing with Mercedes-Benz of Sugarland. That being said I now completely understand the class action lawsuit against them for discrimination and bias. I had spent nearly a month with my fiancée shopping for the right vehicle for our blended family and landed on what seemed to be the best fit for our (at times) family of six. The vehicle we were replacing was her Infiniti QX 56 coming off lease at the end of November so we had some time. We had shopped at Sugarland as well as one other Mercedes dealership to do our due diligence (I work in Venture Capital). I had developed what I thought was a good relationship and strong rapport with both my salesperson David and the sales manager Sean so we decided unreservedly we would give our business to Sugarland, they had earned our trust in what we hoped would be a long-term relationship and lifetime customer equity as I at that point was also interested in acquiring a sedan to replace my Land Rover. Being between model years of the 2017 on the 2018 we found it difficult to find a vehicle that was within our budget and had the features we wanted and didn't have things we didn't need (like the parallel parking package that cost $3000 which seemed to be on most of the vehicles we were shown) so we felt it best to work with our sales person and build our own vehicle, which we did. After several visits we sat for an hour with our salesman building a vehicle the way we wanted it and were asked for a deposit that we gladly paid. My fiancée was ecstatic as this was a dream vehicle for her (she is German) as well as it was my gift to her. Two days later we were called and told they would not sell us a vehicle, no explanation, just that they would sell us a vehicle. I was stunned, I had never heard anything like this in my life nor have I ever been handled like this or dealt with so unprofessionally by a business. Mercedes-Benz really needs to think about how their dealerships and they deal their customers and potential customers -- this was simply rude and arrogant as apparently I wasn't the ‘right customer’ to own this vehicle. This is been one of the greatest time wasting experiences I can recall and it was handled incredibly poorly, I have lost a month and I am now back to square one and I'm now faced with a much more onerous time constraint. I do want to congratulate Sugarland for selling another Infinity extremely effectively…kudos guys! Oh and where do I sign up for that class action suit. More

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great service the salesman Alex Durrett and Dawn Villarreal were great, very nice and very knowledgable about the car we choose to by. i would recommend them to an the salesman Alex Durrett and Dawn Villarreal were great, very nice and very knowledgable about the car we choose to by. i would recommend them to anybody interested in buying a mercedes. More

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Help when you need it! Our house was flooded two weeks ago, and it took our cars with it! Called the insurance company, got the loaner car, and then called Frank Kelske at Our house was flooded two weeks ago, and it took our cars with it! Called the insurance company, got the loaner car, and then called Frank Kelske at Mercedes Benz of Sugarland. He helped us communicate with the insurance company, and immediately went to locate a replacement car. Found just what I was looking for in just a day and had it prepped and ready to go for me two days later! More

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Another Great Buying Experience We had such a Great buying experience when we bought my wife's Mercedes, so when I was ready for a new car I had no doubt where to go. We dealt with F We had such a Great buying experience when we bought my wife's Mercedes, so when I was ready for a new car I had no doubt where to go. We dealt with Frank Kelske the first time and was so please with his help and knowledge, so I went back to him. There was never any pressure just honest help with my decision making. I explained what I was looking for and he was able to help me find my dream car. He answered all questions and was a pleasure to deal and talk to. He was always patient and helped me to relax and enjoy the experience. I decided on a CTS 550 and I love my car. If you are looking for a great car and a great experience buying if I highly recommend Sugar Land Mercedes and Frank Kelske. All of the people there are the best people you would ever meet anywhere. Tom & Nancy Jernigan More

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New Car Purchase I loved working with Frank Kelske! He was helpful in determining the right car for me. He researched all of the options and provided excellent custo I loved working with Frank Kelske! He was helpful in determining the right car for me. He researched all of the options and provided excellent customer service. I would highly recommend Frank to any of my friends and family. This is the third car that we have purchased from him and we plan on returning for the next purchase. Sean Sullivan is the best manager that we have ever worked with. He is not only totally supportive of his staff, but extremely helpful in making the customer feel comfortable and wanting to purchase a car from his team. He really made the deal work for us! More

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