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W.I. Simonson Mercedes-Benz
Santa Monica, CA
518 Reviews
W.I. Simonson invites you to experience a new way to buy and service your vehicle. As a Sonic Automotive Premier Dealership, our entire inventory comes with our Sonic Price. By regularly comparing our prices with the local market, Sonic Price eliminates the time-consuming negotiation process and delivers you an exceptional deal.
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This rating includes all dealership reviews, with more weight given to recent reviews.
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Hours
Sales/Showroom
Monday 9:00 AM - 8:00 PM
Tuesday 9:00 AM - 8:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 8:00 PM
Friday 9:00 AM - 8:00 PM
Saturday 9:00 AM - 7:00 PM
Sunday 10:00 AM - 6:00 PM
Service
Monday 6:30 AM - 6:30 PM
Tuesday 6:30 AM - 6:30 PM
Wednesday 6:30 AM - 6:30 PM
Thursday 6:30 AM - 6:30 PM
Friday 6:30 AM - 6:30 PM
Saturday 8:00 AM - 5:00 PM
Sunday Closed
Parts
Monday 7:30 AM - 5:30 PM
Tuesday 7:30 AM - 5:30 PM
Wednesday 7:30 AM - 5:30 PM
Thursday 7:30 AM - 5:30 PM
Friday 7:30 AM - 5:30 PM
Saturday 8:00 AM - 5:00 PM
Sunday Closed
Latest Reviews
June 20, 2026
This is the best dealership I’ve ever been to.
I’m not kidding when I say that. My wife and I have been leasing cars for the last 15 years and at this point I thought the headache that comes with
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by Grigorianfamily2020
Employees Worked With
Greg, Reza, Marc
June 10, 2026
Unacceptable treatment and deceptive business practices I
have experienced at your dealership, which has left me without a vehicle, financially compromised, and under immense stress.My experience since purch
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by fleur
Employees Worked With
Reza Abniki, CJ, Elias Habib Grigory.Arouchanov
June 06, 2026
Terrible deal on a really nice 2022 CLS.
Car fax and mileage…. Not honest at all. The service department was very aggressive and rude!! Horrible customer service!!! Had to unwind and declin
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by Ladyv
Employees Worked With
Reza, Matthew and Bore
Dealership Inventory (570 Vehicles)
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