HM Motor Works

26 Columbia Circle
Merrimack, NH 03054 US
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COVID-19 Precautions

In response to the COVID-19 pandemic, we are taking the following precautions:

  • Pick Up & Delivery

Merrimack, NH Mercedes-Benz service and repair.

Premier European repair facility in Merrimack, NH servicing all German, British and Italian makes.

We have a total of 54 years of Mercedes-Benz repair and maintenance experience. The technicians are are constantly attending continued education classes on the latest in technology and have invested in the latest in shop software and equipment.

We carry Bosch parts because we believe that the quality of the parts going into your car is very important.

HM Motor Works used TOTAL motor oils that meet or exceed the OEM specification coupled with OEM or equivalent filter we feel confident that your Mercedes-Benz vehicle will leave running better then when it arrived.


  • Outstanding work done by Haleem!!! I have lights that work on the dash!! Thanks for the TLC you showed my vehicle, 100% top of the line service and satisfaction!

    Blanca Rosa O.
  • Thank you again for doing my car today! It runs perfectly!!

    Ashley L.
  • The service and knowledge is 2nd to none. Would recommend this shop to anyone. You get piece of mind knowing your car was fixed right the 1st time.

Awards & Affiliations

ASE CertifiedASE Certified
Bosch ServiceBosch Service