Mercedes-Benz of Chesterfield

Mercedes-Benz New Car Dealership in O Fallon, MO

951 Technology Dr
O Fallon, MO 63368

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Sales: 855-315-3707

Used Cars: 855-315-3707

Hours Toggle

Sales Department

Sun Closed
Mon 9:00am – 8:00pm
Tue 9:00am – 6:00pm
Wed 9:00am – 8:00pm
Thu 9:00am – 6:00pm
Fri 9:00am – 7:00pm
Sat 9:00am – 6:00pm

Service Department

Sun Closed
Mon 7:30am – 6:00pm
Tue 7:30am – 6:00pm
Wed 7:30am – 6:00pm
Thu 7:30am – 6:00pm
Fri 7:30am – 6:00pm
Sat 8:00am – 12:00pm
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Reviews of Mercedes-Benz of Chesterfield

Overall Rating:

4.6 (out of 5)

88% recommend this dealer

259 total reviews

Showing the most recent reviews from Cars.com and DealerRater.

5.0 (out of 5)

I went in for battery replacement.

Reviewed by writersdenNovember 06, 2025

I went in for battery replacement. The ease of scheduling appt was smooth. Deann was great to work with. I met Bryce in Service and was impressed with his knowledge of my vehicle. Total 5 stars across the board Keith Garrison

  • Does recommend this dealer
  • Came in for service or repair

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

The deal was great (financing, complimentary maintenance,

Reviewed by Deniz P from Saint Louis, MissouriNovember 03, 2025

The deal was great (financing, complimentary maintenance, discount). Willingness to find the right vehicle in another state. Friendly and professional experience. I would buy here again.

  • Does recommend this dealer
  • Shopped for a new car
  • Did make a purchase

Dealer Response

Your high rating motivates us to be sure we always provide the best possible customer experience! Thanks!

Overall Facilities N/A

Customer Service N/A

Buying Process N/A

Quality of Repair N/A

Maximum rating = 5

5.0 (out of 5)

Routine visit for tires and Svc A - done well as always

Reviewed by STCAcuraFanOctober 25, 2025

Routine visit for tires and Svc A - done well as always with appropriate suggestions for additional work after the multi-point check. Service advisors at MB Chesterfield are great to work with - highly refommended.

  • Does recommend this dealer
  • Came in for service or repair

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

About Mercedes-Benz of Chesterfield

From new Mercedes-Benz models to used luxury cars... From routine maintenance to repairs...Plaza Motors West serving the greater St. Louis area and beyond has you covered.
You can also visit Plaza Motors West in person and see for yourself our stellar lineup of new Mercedes-Benz models including the C-Class CLA-Class E-Class GLA-Class M-Class and GL-Class; our impressive used car inventory; and our top-notch auto repair and service facilities.

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Want more details on Mercedes-Benz vehicles?

Mercedes-Benz

AMG GLC 43, AMG GLE 53, C-Class, CLA 250, CLE 300, E-Class, EQB 300, EQE 350, G-Class, GLA 250, GLB 250, GLC 300, GLC 350e, GLE 350, GLE 450, GLE 450e, GLS 450, Sprinter 2500
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