Mercedes C class is more dynamic to drive. Mercedes C class engine produces 27 HP more power than BMW 3 series, whereas torque is 100 NM more than BMW 3 series. Thanks to more power Mercedes C class reaches 100 km/h speed 0.8 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.8
4.8
Real fuel consumption:
7.0 l/100km
6.3 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 2 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 300 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 0.7 litres more fuel per 100 km than the BMW 3 series.
Engines
Engine production duration:
8 years
17 years
Engine spread:
Used also on Mercedes E klase
Installed on at least 6 other car models, including BMW 5 sērija, BMW 1 sērija, BMW X3, BMW X1
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:
4.60 m
4.53 m
Width:
1.77 m
1.82 m
Height:
1.46 m
1.44 m
Mercedes C class is 7 cm longer than the BMW 3 series, 5 cm narrower, while the height of Mercedes C class is 2 cm higher.
Trunk capacity:
no data
460 litres
Trunk max capacity: with rear seats folded down
no data
1385 litres
Turning diameter:
10.8 meters
11 meters
The turning circle of the Mercedes C class is 0.2 metres less than that of the BMW 3 series.
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.
