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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 PM - 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


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 Smithtown, Mercedes-Benz of Huntington, Competition BMW of Smithtown, Competition 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 Hospital, Alternatives for Children, Paws of War, Stony Brook Children’s Hospital, LI 2 Day Breast Cancer Walk, Ward Melville Heritage Organization, Celebrate St. James, Smithtown Children’s Foundation, and so much more.

Seeing how wonderful the Smithtown, Lake Grove, Centereach, 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 New, Certified Pre-Owned, Pre-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 2021/2022 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 scheduler, monthly 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.


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Mercedes-Benz of Smithtown 40.8594273, -73.1566847.