BMW 3 series is a more dynamic driving. Mercedes C class engine produces 13 HP less power than BMW 3 series, but torque is 10 NM more than BMW 3 series. Due to the lower power, Mercedes C class reaches 100 km/h speed 0.9 seconds later.
Fuel consumption
Fuel consumption (l/100km):
11.3
9.8
Real fuel consumption:
11.4 l/100km
11.1 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 1.5 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the Mercedes C class could require 225 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 0.3 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
62 litres
63 litres
Full fuel tank distance:
540 km in combined cycle
640 km in combined cycle
750 km on highway
870 km on highway
540 km with real consumption
560 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
480'000 km
460'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
10 years
7 years
Engine spread:
Installed on at least 8 other car models, including Mercedes E klase, Mercedes ML, Chrysler Crossfire
Installed on at least 6 other car models, including BMW 5 sērija, BMW X5, BMW 7 sērija, BMW X3, BMW Z4
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes C class might be a better choice in this respect.
Dimensions
Length:
4.54 m
4.48 m
Width:
1.73 m
1.74 m
Height:
1.47 m
1.41 m
Mercedes C class is 6 cm longer than the BMW 3 series, 1 cm narrower, while the height of Mercedes C class is 6 cm higher.
Trunk capacity:
no data
435 litres
Trunk max capacity: with rear seats folded down
no data
1345 litres
Turning diameter:
10.8 meters
10 meters
The turning circle of the Mercedes C class is 0.8 metres more than that of the BMW 3 series, which means Mercedes C class can be harder to manoeuvre in tight streets and parking spaces.
Mercedes C class has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 3 series, so Mercedes C class quality could be a bit better.
