2021 Mercedes-Benz C-Class vs. 2021 BMW 3-Series

2021 Mercedes-Benz C-Class


2021 BMW 3 Series
255-hp 2.0L turbo 4-cylinder

Base Engine

255-hp 2.0L turbo 4-cylinder

Available Engine Upgrades

9-speed automatic


8-speed automatic

Driver Attention Monitor

Feature Not Offered



Car-to-X Communication

Feature Not Offered


Eye catching luxury sedans like the well-reviewed 2021 Mercedes-Benz C-Class. Both models feature high-class features and expert handling, however, in our opinion, the Mercedes-Benz C-Class is a cut above the rest with its multitude of customization options to truly make the right car for you. We’ve put the BMW 3-Series vs. Mercedes-Benz C-Class head-to-head below!

C-Class vs. 3-Series: Engine Specs & Performance Features

While the 3-Series and C-Class have similarities when it comes to performance, the C-Class gains a bit of an edge and a boost in horsepower thanks to AMG® engine upgrades. Learn more about what the 2020 AMG® engines can offer. 

2021 Mercedes-Benz C-Class Sedan 

  • Rear-wheel drive
  • 2.0L turbocharged 4-cylinder, 255-hp engine generates 273 lb-ft of torque to deliver more power for less fuel consumption
  • Standard 9G-TRONIC® 9-speed automatic transmission with varying shift modes through DYNAMIC SELECT®.
  • 2020 AMG® C-Class options, including mastercrafted engines which can generate 385 hp, 479 hp, or 503 hp

2021 BMW 3-Series Sedan

  • Rear-wheel drive
  • 2.0L turbocharged 4-cylinder, 16-valve 255-hp engine generates 295 lb-ft of torque
  • Standard 8-speed automatic transmission with Sport and Manual shift

C-Class vs. 3-Series: Cabin Amenities

Pair the BMW 3-Series vs. Mercedes-Benz C-Class cabins and you’ll find both offer elegant designs and features such as LED headlights, collision warning systems, and rearview cameras in these secure sedans. However, the C-Class sedans have a number of premium features that are either standard or optional, yet not featured in the 3-Series:

  • Extensive Drivers Assist Package: Not only will drivers benefit from the Active Blind Spot, Lane Keeping, and Evasive Steering Assist, they have the added benefit of ATTENTION ASSIST®. The driver is further protected as it monitors driving patterns and alerts the driver if they seem drowsy or distracted.
  • Customizable 64-Color LED Ambient Lighting: Optional interior LED ambient light lets the Mercedes-Benz C-Class truly reflect the driver.
  • Car-to-X-Communication: C-Class drivers can help each other on the road. This optional feature will give advanced notification if other C-Class drivers use windshield wipers, hazard lights, or if there is detected wheels spin to allow you to take proper precautions. 

Give it a Try at Mercedes-Benz of St. Louis! 

Now that you’ve weighed the differences between the BMW 3-Series vs. Mercedes-Benz C-Class, visit our dealership near Frontenac and Ladue to find the C-Class Sedan that’s right for you. Connect with us today and get behind the wheel for a test drive. Wondering if you should buy or lease? Contact our expert staff in our financing department to find the best option for you.

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