Mercedes C class is a more dynamic driving. BMW 3 series engine produces 27 HP less power than Mercedes C class, whereas torque is 50 NM less than Mercedes C class. Due to the lower power, BMW 3 series reaches 100 km/h speed 0.5 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.3
7.4
Real fuel consumption:
8.1 l/100km
8.2 l/100km
By specification BMW 3 series consumes 0.1 litres less fuel per 100 km than the Mercedes C class, which means that by driving the BMW 3 series over 15,000 km in a year you can save 15 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.1 litres less fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
63 litres
66 litres
Full fuel tank distance:
860 km in combined cycle
890 km in combined cycle
1100 km on highway
1170 km on highway
770 km with real consumption
800 km with real consumption
Engines
Average engine lifespan:
420'000 km
440'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
11 years
13 years
Engine spread:
Installed on at least 4 other car models, including BMW 1 sērija, BMW X3, BMW X1, BMW Z4
Installed on at least 3 other car models, including Mercedes E klase, Mercedes CLK, Mercedes SLK
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 3 series might be a better choice in this respect.
BMW 3 series has fewer problems. According to annual technical inspection data Mercedes C class has serious deffects in 30 percent more cases than BMW 3 series, so BMW 3 series quality is probably significantly better
