Mercedes C class is more dynamic to drive. Mercedes C class engine produces 28 HP more power than BMW 3 series, whereas torque is 35 NM more than BMW 3 series. Thanks to more power Mercedes C class reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.7
5.8
The BMW 3 series is a better choice when it comes to fuel economy. Mercedes C class consumes 0.9 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 135 litres more fuel.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a Mercedes C class engine could be longer.
Engine production duration:
9 years
9 years
Engine spread:
Used also on Mercedes E klase
Installed on at least 2 other car models, including BMW 1 sērija, BMW X3
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.
Dimensions
Length:
4.54 m
4.48 m
Width:
1.73 m
1.74 m
Height:
1.46 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 5 cm higher.
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.
