Mercedes C class is a more dynamic driving. BMW 3 series engine produces 88 HP less power than Mercedes C class, whereas torque is 100 NM less than Mercedes C class. Due to the lower power, BMW 3 series reaches 100 km/h speed 1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.4
7.1
Real fuel consumption:
9.9 l/100km
9.7 l/100km
By specification BMW 3 series consumes 0.3 litres more fuel per 100 km than the Mercedes C class, which means that if you drive 15,000 km in a year, the BMW 3 series could require 45 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.2 litres more fuel per 100 km than the Mercedes C class.
Fuel tank capacity:
61 litres
66 litres
Full fuel tank distance:
820 km in combined cycle
920 km in combined cycle
1030 km on highway
1170 km on highway
610 km with real consumption
680 km with real consumption
Mercedes C class gets more mileage on one fuel tank.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
6 years
15 years
Engine spread:
Used also on BMW 5 sērija
Installed on at least 6 other car models, including Mercedes E klase, Mercedes ML, Mercedes CLS, Mercedes SLK
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.
BMW 3 sērija 2007 3.0 engine: Engine is relatively reliable. Most problems relate to the fuel injection system, spark plugs and coils, and the Vanos phase control system. Problems with the high pressure fuel pump were common in early model ... More about BMW 3 sērija 2007 3.0 engine
Dimensions
Length:
4.58 m
4.61 m
Width:
1.78 m
1.77 m
Height:
1.40 m
1.46 m
BMW 3 series is 3 cm shorter than the Mercedes C class, 1 cm wider, while the height of BMW 3 series is 6 cm lower.
Trunk capacity:
440 litres
485 litres
Mercedes C class has more luggage space. BMW 3 series has 45 litres less trunk space than the Mercedes C class.
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.
