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. We can also help you compare models such as the Mercedes-Benz C-Class vs. Audi A4, learn about the Mercedes-Benz C-Class price, and more.

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