Jump LinksSimilar At First Glance, But Different ApproachesWhich One Looks More Modern In 2026? Screens Dominate These 2026 Sedan InteriorsThe Cost Of OptionsAnd The Winner Of This Battle Is...Is the BMW 330i faster than the C300?Is the BMW 3 Series or Mercedes C-Class more reliable?What BMW is comparable to the Mercedes C300?What Mercedes is comparable to the BMW 330i?Sedans might not be as popular as they once were, but when it comes to compact luxury models, there is still a good degree of demand, and, thus, competition is actually quite strong. The 3 Series and the C Class, two German entry-level sedans, are some of the fiercest competitors in this segment. Now more than ever, the choice between them comes down to the incremental changes BMW and Mercedes make year-on-year.So, which one is the better option for you if you are looking for a compact luxury sedan from Germany? Here is everything you need to know about the Mercedes-Benz C300 vs BMW 330i - from engines and exterior, to interior and, finally, how much they cost.All information has been sourced from the manufacturer or test drive experience, where available. All prices listed are MSRP, which does not include any offers or additional fees. Automakers reserve the right to update pricing at their own discretion and without notice. BMW 330i VS Mercedes C300 Engine Specs Similar At First Glance, But Different Approaches Mercedes-BenzThe fundamental numbers for both the 3 Series and C Class look identical at first, and they are as close as they have ever been. However, upon further analysis, you realize the difference in ideologies and approach between both these engines. The B48 engine in the BMW produces identical horsepower and torque figures to the M254 engine in the Mercedes. They are both rear-wheel drive in their base trim as well, with an optional upgrade to all-wheel drive.The BMW uses an eight-speed automatic gearbox compared to the nine-speed automatic in the Mercedes. The Mercedes is smoother in shifts, whereas the 3 Series offers quicker and sharper shifts. They are both also aided by a 48V mild-hybrid system. However, the Mercedes gets an integrated starter-generator, unlike the BMW, for added refinement. The 330i is lighter than the C300, which helps the BMW get to 60 mpg quicker and feel more nimble.The BMW 330i and Mercedes-Benz C300 both get optional all-wheel drive upgrades called xDrive and 4MATIC, respectively. They both cost an additional $2,000 from the base trim and offer better stability in snowy and slippery conditions. However, AWD negatively affects efficiency, as one would expect. The 3 Series' combined EPA rating drops to 29 mpg whereas the C300 drops to a combined rating of 27 mpg. The BMW, despite being more engaging to drive, offers better fuel efficiency in the city when compared to the Mercedes, regardless of drivetrain.That is the principal difference between the two sedans - the BMW is aimed at people looking for an enjoyable and engaging dynamic drive, whereas the C300 appeals to customers looking for a more refined and smoother driving experience. 330i vs C300 Exterior Comparison Which One Looks More Modern In 2026? 2025 BMW 330i front, three-quarterThe BMW 330i received its last LCI facelift in 2022. The Mercedes C300 received a new generation called the W206 in 2022 as well. The BMW and Mercedes both come standard with 18-inch wheels. They both also have five different rim design options at no extra cost. The exterior colors of black and white are both a no-cost option. However, any additional color will set you back anywhere between $650 -–$3,600 depending on the color. Both of them also have access to upgraded sportier packages. The BMW gets an M Sport trim priced at $2,550 with bigger 19-inch wheels, an aerodynamic kit and rear spoiler, M sport suspension and M steering wheel. The C300 gets an AMG Line option priced at $2,750 with similar AMG-equivalent upgrades. AMG also offers an AMG Lite Plus package priced at $800, with only 19-inch rims, a body-colored rear spoiler and a panoramic sunroof.In terms of dimensions, the Mercedes is 30–40 mm longer when compared to the 3 Series. They are nearly identical in width, height and wheelbase. Exterior looks are subjective, and the BMW is aimed at looking more aggressive and sportier when compared to the smoother and curvier lines of the C class. In the battle between the 330i vs the C300, preference of use case will decide if you want a sportier looking car, or one that is more conventional in design. BMW 3 Series vs Mercedes C Class Interior Overview Screens Dominate These 2026 Sedan Interiors 2025 BMW 330i interiorInterior screens in 2026 are at a rapid rise, with most new car interiors ditching tactility for more software-dominant cabins. BMW and Mercedes have followed the same trend, with a prominent central screen for car controls and HVAC controls. The BMW has a curved display that runs on its iDrive 8 platform, but still retains a few buttons. The Mercedes uses a larger vertical touchscreen that runs on the MBUX platform with minimal physical buttons. As standard, you get heated front seats on both, with premium materials and soft-touch surfaces. The BMW has firmer and more supportive seats, whereas the C300 has softer, more cushioned seats.Mercedes-Benz In terms of legroom at the back, the C Class is marginally larger - around 0.8 inches. In terms of trunk space, the 330i has 16.9 cubic feet of space whereas the C300 has a much smaller trunk at 12.6 cubic feet, despite being a little longer. The BMW is more practical and efficient in packaging, whereas the C300 prioritizes rear passenger comfort. BMW vs Mercedes Price Comparison The Cost Of Options Mercedes-Benz Modern car companies and optional packages seem like a perfect match for profit-making. The base C300 starts at $49,650, which is close to $2,000 more than the BMW. The all-wheel-drive 4MATIC variant starts at $51,650. In terms of extra packages, the Exclusive trim is priced at $2,250 and adds enhanced ambient lighting, illuminated front door sills, Burmester 3D surround sound system, a surround view camera among other options. A further Pinnacle trim is available that includes all items from the Exclusive trim with digital LED headlights, MBUX Augmentation for navigation and a heads-up display. An additional Driver Assistance package priced at $1,950 and adds a plethora of ADAS features such as active blind-spot assist, automatic lane change, traffic sign assist, etc.BMW The BMW 330i starts at a lower base price of $48,000, with a $50,000 starting price for the all-wheel-drive xDrive variant. There are plenty of packages available here as well, just like the Mercedes. The $1,100 Convenience package adds remote engine start, a heated steering wheel, power tailgate, park distance control, driving assistant and active blind spot detection. There is also a $1,950 Premium package that adds a heads-up display and all the other items from the convenience package. There is also a Shadow Line package that adds blacked-out trim for the grille, mirror caps and front and rear bumpers.While the base prices seem similar between both, optional extras can quickly add up. Nevertheless, the BMW 3 Series seems like the better value at base price, as they both have similar amounts of tech. The Better German Compact Luxury Sedan And The Winner Of This Battle Is... 2025 BMW 330iThe objective winner of the battle between the BMW 330i vs the Mercedes C300 is... the BMW 330i. While having the same cylinders, horsepower and torque specs as the C Class, it is lighter and, therefore, quicker. It is also more fuel efficient in both rear- and all-wheel-drive trims. It also has more front legroom and cargo space despite being shorter in length. All of this while being cheaper than the C300 by around $2,000. The additional packages on the BMW are cheaper as well. That does not mean that the Mercedes C300 is a significantly worse car; it is more chauffeur-oriented and luxurious when compared to the more nimble and dynamic BMW. The choice comes down to you. If you prefer better driving dynamics, more storage space and performance, the BMW is a clear winner here. However, if you want a more comfortable driving experience with a little more rear legroom, and do not mind the higher starting price, the C300 will not disappoint. FAQs Is the BMW 330i faster than the C300? Yes, the BMW 330i is faster from 0 to 60 mph. It takes 5.6 seconds whereas the C300 takes 6 seconds. Is the BMW 3 Series or Mercedes C-Class more reliable? The BMW 330i is generally considered to be more reliable than the W206 C Class. What BMW is comparable to the Mercedes C300? The BMW 330i is the direct competitor to the Mercedes C300. What Mercedes is comparable to the BMW 330i? The Mercedes C300 competes directly with the BMW 330i.
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