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W.I. Simonson Inc.

(1,184 reviews)
Visit W.I. Simonson Inc.
Sales hours: 9:00am to 8:00pm
Service hours: 8:00am to 5:00pm
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Sales Service
Monday 9:00am–8:00pm 7:30am–6:00pm
Tuesday 9:00am–8:00pm 7:30am–6:00pm
Wednesday 9:00am–8:00pm 7:30am–6:00pm
Thursday 9:00am–8:00pm 7:30am–6:00pm
Friday 9:00am–8:00pm 7:30am–6:00pm
Saturday 9:00am–8:00pm 8:00am–5:00pm
Sunday 10:00am–6:00pm Closed
2026 consumer dealer award
View 1 awards
2026 consumer dealer award
New (866) 593-8212 (866) 593-8212
Used (888) 539-3645 (888) 539-3645
Service (888) 679-5746 (888) 679-5746

Inventory

See all 567 vehicles from this dealership.

About our dealership

This seller has been on Cars.com since October 2004.
At W.I. Simonson We offer Mercedes Benz complete line up of the latest NEW sedans coupes SUV wagons convertible roadsters hybrid electric and AMG's in stock along with used luxury cars by today's top manufacturers - new Mercedes-Benz Certified Pre-owned Mercedes-Benz and other luxury and non-luxury quality pre-owned cars. Our sales staff will help you find that new or used car you have been searching for in Santa Monica.
A landmark experience since 1937

Service center

Phone number (888) 679-5746

Service hours

Monday
7:30am–6:00pm
Tuesday
7:30am–6:00pm
Wednesday
7:30am–6:00pm
Thursday
7:30am–6:00pm
Friday
7:30am–6:00pm
Saturday
8:00am–5:00pm
Sunday
Closed

Reviews

(1,184 reviews)

A dealership's rating is based on all of their reviews, with more weight given to recent reviews. Includes reviews of W.I. Simonson Inc. from DealerRater.

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Elis and Alex were extremely helpful and professional. Thanks guys made it back and she ran like a dream.

Elis and Alex were extremely helpful and professional. Thanks guys made it back and she ran like a dream.

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
5.0
  • Does recommend this dealer
  • Shopped for a used car
0 people out of 0 found this review helpful.
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I went in knowing I wanted an EV. The vehicle I drove away with exceeded my expectations. I?ve been looking for other EVs on the market and EQS SUV 580 makes other EV looks like toy cars. This vehicle is so luxury and smart. Mercedes thought of everything. And the air freshener is amazing.

I went in knowing I wanted an EV. The vehicle I drove away with exceeded my expectations. I?ve been looking for other EVs on the market and EQS SUV 580 makes other EV looks like toy cars. This vehicle is so luxury and smart. Mercedes thought of everything. And the air freshener is amazing.

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
5.0
  • Does recommend this dealer
  • Shopped for a new car
  • Did make a purchase
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Dealer response

Thank you, Connie! We're glad the experience lived up to your expectations, and it sounds like you found exactly the right vehicle for you.

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John was welcoming and warm, took care of me, got me into a great vehicle. Fantastic experience.

John was welcoming and warm, took care of me, got me into a great vehicle. Fantastic experience.

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
5.0
  • Does recommend this dealer
  • Shopped for a new car
0 people out of 0 found this review helpful.
Dealer response

Thank you for sharing your experience. We're glad John made you feel at home and set you up well.

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Fast. Easy. Friendly. Highly recommend this location - special shout out to Reza, Marc, and Gregg. Will be using this location again in the future for sure!

Fast. Easy. Friendly. Highly recommend this location - special shout out to Reza, Marc, and Gregg. Will be using this location again in the future for sure!

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
5.0
  • Does recommend this dealer
  • Shopped for a new car
  • Did make a purchase
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Dealer response

Thank you, Lance! We're glad to hear Reza, Marc, and Gregg took good care of you, and we look forward to welcoming you back.

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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 dealerships is just part of the process. This dealership completely changed my mind on that. From walking in, everyone was helpful, kind and open to discussing car options that were within our budget. From start to finish the process could not have been smoother and everyone we dealt with went above and beyond all expectations. I want to give a big shoutout to Greg A along with Reza and Marc. Thank you helping us pick out and secure our next ride. We absolutely love the car and can’t wait to come back for another when our lease is up.

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 dealerships is just part of the process. This dealership completely changed my mind on that. From walking in, everyone was helpful, kind and open to discussing car options that were within our budget. From start to finish the process could not have been smoother and everyone we dealt with went above and beyond all expectations. I want to give a big shoutout to Greg A along with Reza and Marc. Thank you helping us pick out and secure our next ride. We absolutely love the car and can’t wait to come back for another when our lease is up.

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
5.0
  • Does recommend this dealer
  • Shopped for a new car
0 people out of 0 found this review helpful.
Dealer response

Thank you for sharing this, and we're so glad Greg, Reza, and Marc could make the experience a genuinely enjoyable one. We look forward to welcoming you both back when your lease is up.

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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 purchasing this vehicle has been incredibly unprofessional and disrespectful. The facts of my situation are as follows:Deceptive Sales Disclosure: The vehicle was sold to me as "Certified," yet it has cracks across the windshield, scratches on the rear, a dead key battery, and a dirty rear windshield. Contract and Financial Alterations: The final financial contract I was given changed the numbers and terms we previously agreed upon, No Vehicle and No Communication: I traded in my previous vehicle as part of this transaction. Your dealership now has both my old car and my money, leaving me with no transportation. Furthermore, your team is actively ignoring my emails and messages.Selling a non-compliant vehicle under a misleading "Certified" status, altering agreed upon contract numbers, and ignoring a customer leaving them without any vehicle is completely unacceptable.I request that you immediately address the condition of this vehicle, provide a full refund and return my trade-in vehicle.I expect to receive a reply from a member of your senior management. If this matter is not resolved promptly, I will be forced to escalate this to the Better Business Bureau, report these deceptive practices to the Federal Trade Commission, and involve legal counsel.I look forward to your immediate response.

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 purchasing this vehicle has been incredibly unprofessional and disrespectful. The facts of my situation are as follows:Deceptive Sales Disclosure: The vehicle was sold to me as "Certified," yet it has cracks across the windshield, scratches on the rear, a dead key battery, and a dirty rear windshield. Contract and Financial Alterations: The final financial contract I was given changed the numbers and terms we previously agreed upon, No Vehicle and No Communication: I traded in my previous vehicle as part of this transaction. Your dealership now has both my old car and my money, leaving me with no transportation. Furthermore, your team is actively ignoring my emails and messages.Selling a non-compliant vehicle under a misleading "Certified" status, altering agreed upon contract numbers, and ignoring a customer leaving them without any vehicle is completely unacceptable.I request that you immediately address the condition of this vehicle, provide a full refund and return my trade-in vehicle.I expect to receive a reply from a member of your senior management. If this matter is not resolved promptly, I will be forced to escalate this to the Better Business Bureau, report these deceptive practices to the Federal Trade Commission, and involve legal counsel.I look forward to your immediate response.

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
1.0
  • Does not recommend this dealer
  • Shopped for a used car
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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 decline the offer. Think twice before your purchase.

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 decline the offer. Think twice before your purchase.

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
1.0
  • Does not recommend this dealer
  • Shopped for a used car
0 people out of 0 found this review helpful.
Dealer response

Hello, We regret to hear you did not have a positive experience with our team, and we would appreciate the opportunity to learn more. If you are willing, please contact our General Manager at (855) 677-2690 so we can work to turn your experience around. We look forward to hearing from you.

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Just going to post direct quotes from text messages: "Sorry, We don't do out of state business" "DMV process it takes long, So we can't do it"

Just going to post direct quotes from text messages: "Sorry, We don't do out of state business" "DMV process it takes long, So we can't do it"

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
1.0
  • Does not recommend this dealer
  • Shopped for a used car
0 people out of 0 found this review helpful.
Dealer response

Hello, We appreciate you bringing your experience to our attention. We would appreciate the opportunity to learn more. If you are willing, please contact our General Manager at (855) 677-2690 so we can work to turn your experience around. We look forward to hearing from you.

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Souharda totally screwed me over. Sold me a car that basically fell apart on the highway. The bumper was not attached and fell off on my way home. I had to reattach on the side of the road. Then the car immediately started having issues that have costed me thousands and they have not done anything to make it right. All they do is IGNORE my emails and phone calls. And you guys are suppose to be a reputable dealer?? You act like a shady used car lot. DO NOT SHOP HERE!

Souharda totally screwed me over. Sold me a car that basically fell apart on the highway. The bumper was not attached and fell off on my way home. I had to reattach on the side of the road. Then the car immediately started having issues that have costed me thousands and they have not done anything to make it right. All they do is IGNORE my emails and phone calls. And you guys are suppose to be a reputable dealer?? You act like a shady used car lot. DO NOT SHOP HERE!

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
1.0
  • Does not recommend this dealer
  • Shopped for a used car
  • Did make a purchase
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Dealer response

We regret to hear you have had a negative experience with us, and we would appreciate the opportunity to learn more. Please reach out to our General Manager at (855) 677-2690 at your earliest convenience.

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Outstanding From the start of the procees all the way until taking delivery of the car the service was great I highly recommend this dealer and special thanks to Tony for his service.

Outstanding From the start of the procees all the way until taking delivery of the car the service was great I highly recommend this dealer and special thanks to Tony for his service.

Rating breakdown (out of 5):
Customer service
Buying process
Quality of repair
Overall facilities
Overall experience
5.0
  • Does recommend this dealer
  • Shopped for a new car
  • Did make a purchase
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Dealer response

Thank you for your kind words & recommendation! We are thrilled that you had an outstanding experience with Tony. We look forward to seeing you again in the future!

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