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BMW 3 Series vs. Mercedes C-Class: Plug-in hybrids in the test

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The electricity mix is ​​currently a big issue – also for cars. Our comparison is about the current ones Plug-in hybrids from Mercedes C-Class and BMW 3 Series. So both are electrified and formally quite similar. (Important tips for buying a new car on the Internet). Each with a four-cylinder gasoline engine, electric motor, battery and system performance around 300 PS. And yet they are more different than it appears at first glance. That’s how BMW gives them Electric range with about 50 kilometers on, Mercedes speaks of around the 100 kilometre – these are worlds. And just one difference from many. So which of the two chose the smarter power mix?
BMW 330e

Less juice than the Benz: Due to its smaller battery, the 330e only manages 45 kilometers purely electrically.


In terms of electric range, the BMW 3 Series is clearly behind

To the Hybrid system in the C 300 e belong one 2.0-liter with 204 hp and a Electric motor with 129 hp. The battery holds 25.4 kWh, there is a nine-stage automatic, the system output is included 313 hp. the 330e go with 184 hp strong 2.0 liter and Electric motor With 113 hp at the start. The battery stores 12.0 kWh. On board is an eight-stage automatic, which is the system performance 292 hp. The Bavarian made it in the test purely electrically 45 kilometers. When the petrol engine starts, it sounds quite rough to robust, a lively, powerful guy.
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Otto particle filter

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Test car price

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Four-cylinder, turbo + electric motor

12.0 / 11.15 kWh (gross / net)

4709 / 1827-2068 ** / 1435 mm

Four-cylinder, turbo + electric motor

4751 / 1820-2033 ** / 1437 mm


the ZF eight-speed automatic responds attentively as always and switches gently. The interaction between the combustion engine and the electric motor works smoothly and is not even noticeable. And that’s how this 3 Series feels as well Hybrid more like a normal gasoline engine at how a classic Driver car. With faster and more precise – for some people too sharp – steering, snappy brakes, stressed handy and agile.
Mercedes C-Class 300 e

Harmonious: The drive system of the C 300 e is very smooth, the recuperation is stronger and more sensitive than in the BMW.


The plug-in hybrid in the Benz is more harmonious

the BMW weighs around that 1.8 tons, the Benz brings 2.1 tons on the scales. So about as much as the current S-Class. One of the reasons for this is the battery, with 25.4 kWh, more than twice the size of the one in the BMW. So he passed the test 90 kilometers purely electric, which of course opens up completely different possibilities in everyday life – you simply drive a lot more with electricity. And the Hybrid system is more sophisticated. The Benz recuperates (with a maximum of over 100 kW) noticeably more and more sensitively than the BMW (20 kW). In addition, the Adjust the recuperation strength in three stages, that doesn’t work with the BMW.
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acceleration

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from 100 km / h cold

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from 100 km / h warm

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at 50 km / h

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at 100 km / h

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at 160 km / h

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at 160 km /

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(60% hybrid share, 40% electric share)

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Range

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4.7 l S + 10.8 kWh / 100 km

505 km + 45 km electric

4.9 l S + 10.0 kWh / 100 km

615 km + 90 km electric


Nevertheless, there is still work for the Mercedes engineers: The C 300 e brakes just as well as the 330e in terms of measured values, yes the braking feel is muddy, the transition from electrical recuperation to mechanical braking is not well resolved. But they did it well engineSimilar to BMW, the petrol engine is an energetic, easy-turning type, the Nine-speed automatic quickly and prudently. So it happens that, despite the weight difference, both of the Performance are practically on a par.

Mercedes C-Class vs. BMW 3 Series (2021): Test – Duel – Sedan

The new C-Class challenges the 3 Series


The differences are elsewhere. the Mercedes is, as I said, a heavy car and drives like that, the BMW just looks much more nimble. The Chassis with air suspension and level control on the rear axle (of course, that’s where the battery is) apparently has a kind of soft focus, gently undulating, the Benz takes transverse joints, manhole covers and everything else as well. That feels somewhat disconnected on. No, not cumbersome, that already prevents them Marvelous harmonious steering. It’s more, let’s say, the difference between driving and being driven. Further details about the test can be found in the picture gallery.

Picture gallery

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BMW 330e vs. Mercedes C 300 e


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