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630 Middle Country Road, St. James, NY, 11780

Get Directions  Map depicting surroundiing area of Mercedes-Benz of Smithtown

Dealership Info

Phone Numbers:Service Hours:
  • Mon - Fri7:30 AM - 5:30 PM
  • Sat7:30 AM - 4:30 PM
  • SunClosed
Parts Hours:
  • Mon - Fri8:00 AM - 5:00 PM
  • Sat8:00 AM - 4:30 PM
  • SunClosed
Sales Hours:
  • Mon - Fri9:00 AM - 8:00 PM
  • Sat9:00 AM - 6:00 PM
  • Sun11:00 AM - 4:00 PM
Special Holiday Hours (Closed):
  • Mother’s Day
  • Memorial Day
  • Father’s Day
  • Independence Day
  • Labor Day
  • Thanksgiving Day
  • Christmas Day
  • New Year's Day
  • Easter Sunday

Why Buy Here?

Compliments of Competition

Family-Owned and Locally Operated

Mercedes-Benz of Smithtown was established in 1995, but our roots date back much further when Competition Automotive Group was established in 1962 by Joseph C. Buzzetta. The origins of Mercedes-Benz of Smithtown stems from the separation from Competition BMW in 1995. The Competition Automotive Group is built on the foundation of family. The Buzzetta Family treats all their employees, customers, and community like family. Competition Automotive Group and the Buzzetta Family recognize and emphasize the importance of supporting and caring for others through various channels.

We Serve Our Community

Mercedes-Benz of Smithtown is rooted deeply in the Long Island community and we understand the importance of community involvement and giving back. Every member of the Buzzetta family dedicates an extraordinary amount of time to getting involved with the local Long Island community in as many ways as possible. Whether it is sponsoring local horse shows sponsoring exciting events, supporting local businesses, or collecting donations for holiday toy drives, they are completely dedicated to the organizations they support and make it a point to cast a wide net for encompassing assistance in as many communities as possible. Mercedes-Benz of Smithtown and the whole Buzzetta Family hope to continue building these incredible, everlasting relationships for many years to come.

State-Of-The-Art Facility

Mercedes-Benz of Smithtown was fully renovated in 2013. Our dealership understands the importance of “The Best or Nothing”; This is reflected from 2013’s complete demolition and redesign of the Service Department‘s automotive shop, the extreme impact of digging an immensely helpful basement, to enhancing the entire building by adding a second floor and service drive! Our redesigned dealership strives to meet every aspect of convenience, luxury, and comfort for our incredible customers. Mercedes-Benz of Smithtown is flourishing with our indoor service drive, second floor, trendy gift shop, and comfortable customer lounge with complimentary WiFi, coffee, snacks, refreshments, magazines, and more! Our facility is one that warmly welcomes its customers and encourages our incredible clients to keep coming back. Mercedes-Benz of Smithtown strives to make every customer feel welcomed during every single visit with open arms.

Knowledgeable Staff

At Mercedes-Benz of Smithtown, our customers deserve the absolute best. Our employees are trained strategically and are always mindful of any and all customer needs. Our employees wholeheartedly strive to give every single customer the most enjoyable, stress-free, seamless experience possible. When contacting Mercedes-Benz of Smithtown, you can call us, email us, or visit our dealership. With many years of knowledge, customer service, and assistance, our staff is always eager to aid you in any way we can! At Mercedes-Benz of Smithtown, our number one priority is our amazing customers, and it truly reflects.

Transparent Market-Based Pricing

Our superb team removes the stress, guesswork, and haggling out from the Pre-Owned purchasing process with our market-based, transparent pre-owned pricing strategy. Mercedes-Benz of Smithtown uses a software-based system that monitors over 40,000 trusted sources and websites such as CarGurusCarFax and Kelley Blue Book to give you the best price possible, without the expected back and forth of the stereotypical sales process.

No Hidden Fees

At Mercedes-Benz of Smithtown, the price you pay is the price you see. Our dealership believes in a sales process that is completely transparent and stress-free from start to finish. Mercedes-Benz of Smithtown knows your time and business is precious, and you can be ensured you’ll never be presented with any faux, additional fees.

Complimentary CarFax Reports

For additional transparency, our Pre-Owned team is more than happy to supplement all our clients with complimentary CarFax reports detailing the vehicle’s history. These reports consolidate important information about a vehicle’s past that may be necessary to keep in mind when purchasing a new vehicle. This delivers peace-of-mind for all of our customers as they are completely aware of all history and details of specific vehicles while they search for their future Pre-Owned vehicle.

Impressive Vehicle Line-Up

Mercedes-Benz of Smithtown is proud to offer a large selection of both Certified Pre-Owned and New vehicles. Offering as many options as possible is our goal, as is making the buying or leasing process as easy as possible for you! We would love to get you into the vehicle of your dreams, any day of any week.

Comprehensive Inspection Checklist

Every vehicle at Mercedes-Benz of Smithtown must pass a detailed and strenuous quality inspection before the keys are officially bestowed to its new owner. Our factory-trained technicians make sure all electrical and mechanical systems, power accessories, and other additional features of the vehicle are running at their absolute best so our customers drive away safely with full satisfaction and a smile.

Complimentary Trade Appraisals

Mercedes-Benz of Smithtown offers complimentary trade-in appraisals 5 days a week! There is no need to schedule an appointment, our trade appraisers are always on-site at our dealership! Our trade appraisers are ready to offer a fair market value on any vehicle you are ready to trade-in, regardless of if you would like to buy a New or Pre-owned vehicle or not. You can also get an estimated value for your trade-in vehicle on our website here! Simply input your vehicle’s identification number and in about 10 seconds you can view your estimated value and consider your next steps!

Complimentary Courtesy Vehicles

Our Service Department offers a fleet of courtesy vehicles for our customers while their stunning Mercedes-Benz vehicle gets serviced. Courtesy vehicles are available upon request based on availability and the service being done.

Shuttle Service/Pick-Up and Drop-Off Service

Our team of charismatic drivers are available during weekdays to assist our amazing customers and shuttle everyone to their home, their place of work, or the Smithhaven Mall to name a few! While your vehicle gets your requested servicing done, you can rest easy (wherever you prefer!) knowing your vehicle is in safe hands. Our fabulous drivers can even pick-up your vehicle for you for your appointment at your home or place of work! Mercedes-Benz of Smithtown will also deliver your vehicle back to you when your service is complete and your vehicle is washed! Mercedes-Benz of Smithtown prides itself on “The Best or Nothing”!

Complimentary Car Washes

Our Service Department makes sure your beautiful Mercedes-Benz is returned to you even better than it arrived! This means your garage queen will be cleaner than when you initially brought it in! Your sedan or SUV will be given a complimentary car wash after every single service! What a lovely and beautiful finishing touch!

Complimentary Multi-Point Inspections

Every vehicle that comes into our always helpful Service Department receives a complimentary multi-point inspection! Mercedes-Benz of Smithtown knows your vehicle deserves to be performing at its absolute best constantly! We never know where the road will lead us, and that’s why we go the extra mile to ensure your vehicle’s health so it can also go the extra mile(s).

Factory-Trained Technicians

Our factory-trained technicians take pride in knowing the absolute most about your beautiful Mercedes-Benz. Our automotive team is highly-trained, with first-hand experience to give your vehicle the self-care it deserves. You can drive confidently knowing your vehicle is in safe hands with our Service team.

Express Service

Mercedes-Benz of Smithtown completely respects your time and understands it is precious. We are proud to offer Express Service, where we accommodate our clients with speedy service! With the Express Service at Mercedes-Benz of Smithtown, our efficient Service Department will have you out in about an hour (or less!) No appointment necessary!

Late-Night Pick-Up and Early-Bird Drop-Off Service

Mercedes-Benz of Smithtown values your time! This is why we are excited to offer our late-night pick-up or early-bird drop-off service for our customers! For those who are unable pick-up their vehicle during regular service business hours due to scheduling conflicts, customers can drop off their vehicle and keys before we open in the morning, or after we are closed! Mercedes-Benz of Smithtown strives for efficiency, this service allows you to get where you need to be, with your vehicle prepared for where it needs to be, our Service Department!

Genuine Mercedes-Benz Parts

The vehicles that acknowledge “The Best or Nothing” deserve the best. This is why Mercedes-Benz of Smithtown uses Genuine O.E.M. Mercedes-Benz parts with every service and repair, providing your vehicle with the durability, quality, performance and protection it deserves. Visit our Parts Department in St. James to purchase any accessories, parts, oil and filters, or any other necessities your Mercedes-Benz may need! Customers are also able to order parts online through our website, ensuring an even quicker process!

Indoor Service Drive

Mercedes-Benz of Smithtown provides our customers with supreme luxury, from every step of the Sales process to the Service appointment. We are proud to have an indoor service drive so our customers do not have to get out of their vehicles until they are securely inside our building. Fear no rain, snow or outside elements with our indoor service drive! One of our professional and friendly valets will introduce themselves to you and take your vehicle off your hands!

Complimentary Fluid Top-Offs

Whether your stunning vehicle needs a service or not, Mercedes-Benz of Smithtown warmly welcomes you! Drive into our spacious indoor service drive and one of our incredible valets will top your coolant, brake fluid, windshield washer fluid and engine oil. It doesn’t stop there, we can also check and correct your tire pressure if requested!

Mercedes-Benz of Smithtown is a proud family-owned and operated dealership that has been serving the North and South Shore of Long Island for over 50 years. Our legacy dates back to 1962 when Joseph C Buzzetta created Competition Auto Group. His three children, Joe Jr., Jim, and Nancy, have now helped keep the family business going by running Mercedes-Benz of SmithtownMercedes-Benz of HuntingtonCompetition BMW of SmithtownCompetition INFINITI of Smithtown, and Competition Subaru of Smithtown.

Due to the fact that Mercedes-Benz of Smithtown was built on the fundamentals of family, we truly understand the importance of supporting our community through various actions, some of which include giving back to organizations such as St. Charles HospitalAlternatives for ChildrenPaws of WarStony Brook Children’s HospitalLI 2 Day Breast Cancer WalkWard Melville Heritage OrganizationCelebrate St. JamesSmithtown Children’s Foundation, and so much more.

Seeing how wonderful the SmithtownLake GroveCentereach, and Kings Park area is really lets us understand why it’s residents deserve a state-of-the-art facility that fits their needs. Mercedes-Benz of Smithtown is proud to have various amenities that we feel will ease the minds of Mercedes-Benz owners in Saint James and Stonybrook.

Starting with our Sales Department, we can proudly say that we always have an impressive line-up of NewCertified Pre-OwnedPre-Owned, and Off-Brand Cars to fit every budget! We offer at-home test-drives, as well as a Shop From Home feature for any interested customers, to make the vehicle purchasing process that much easier. Along with at-home test-drives, we make health and safety procedures our utmost priority, so you know that when you come into our dealership in the Islip Terrace vicinity, that your well-being is always considered before anything else!

Whether you are purchasing a Certified Pre-Owned, Standard Pre-Owned, or Off-Brand Vehicle, you will always have the peace of mind knowing that we use transparent market-based pricing, include NO HIDDEN FEES, and that we put our pre-owned vehicles through a rigorous certification inspection process. Not only do we implement all of this, but we also offer complimentary Carfax reports, and trade appraisals. All of this, is to insure that you get to walk away worry free with the vehicle of your dreams at an amazing competitive price!

After you get your beautiful new 2023/2024 vehicle, or pre-owned vehicle delivered to you here at our dealership, or at your Port Jefferson home, we will always take care of you from Sales, all the way to Service! Luckily for drivers in the East Setauket area, our Mercedes-Benz Service Department is built for convenience and luxury. With an indoor service drive, online service appointment schedulermonthly specials, complimentary courtesy vehicles, shuttle services, pick-up and drop-off services, as well as late-night pick-up and early-bird drop-off, Long Island drivers can work their B Service*, Brake Repair, or other service into their busy schedule with time to spare. Our customers are also encouraged to make use our complimentary Wi-Fi, and luxurious customer lounge stocked with delicious Starbucks Coffee, refreshments, and snacks! As if this already sounds too good to be true, Mercedes-Benz of Smithtown offers complimentary car washes, multi-point inspections, and fluid top-offs with every service. Our factory trained technicians will always take care of your vehicle using genuine OEM Mercedes-Benz Parts, because for our customers, we will always strive to be “The Best or Nothing” as is the Mercedes-Benz philosophy.


*Price advertised for Service A/Service B includes all factory-required components. Please refer to your maintenance booklet for the complete list of factory-required services and details on the specific intervals for your vehicle’s year and model. Applies to 2009 or newer models.

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Mercedes-Benz of Smithtown 40.8594273, -73.1566847.