To us, customer satisfaction is much more than a simple promise.  It's a daily commitment to Customer Service Excellence.  That is one reason we built our New "State-of-the-Art" World Class Service Facility at 1330 Colorado Ave.  This Service Center is equipped with the latest diagnostic equipment that enables us to provide diagnosis and repairs on some of the most complex electronic computer systems in the world, those in a Mercedes-Benz.

We have been providing "World Class" service for Mercedes-Benz owners throughout Santa Monica and surrounding areas for over 70 years.  We are continuously seeking better ways to serve the people who put their trust in us.

It is our sincere desire that the purchase and ownership of your Mercedes-Benz vehicle will be a truly enjoyable experience.If you have any question about anything, don't hesitate to ask one of our team members.  Whatever your concern, we promise to always have a courteous member of our staff willing to assist you . . . .

That's our commitment, and our guarantee.

The W I Simonson Service and Parts Team

Get Your Mercedes-Benz Auto Parts in Santa Monica, California at W.I. Simonson

If you're searching for an OEM Certified Mercedes-Benz parts store in Santa Monica, you have come to the right place! W.I. Simonson is a new Mercedes-Benz and used luxury car dealership located directly in Santa Monica, California. Attached to our dealership is a massive auto parts store, with a vast selection of OEM certified parts and accessories. Our parts center is proud to serve the Santa Monica and Los Angeles region, and we hope to see you soon.

If you need professional installation, please schedule an appointment at our Mercedes-Benz service center. We will make sure all auto parts and accessories are installed correctly and to factory specifications. Learn more about our parts store by calling 800-784-6251.

Parts Request


  • Monday 7:30 AM - 5:30 PM
  • Tuesday 7:30 AM - 5:30 PM
  • Wednesday 7:30 AM - 5:30 PM
  • Thursday Closed
  • Friday 7:30 AM - 5:30 PM
  • Saturday 8:00 AM - 5:00 PM
  • Sunday Closed