BMW 3 series is a more dynamic driving. Mercedes C class engine produces 21 HP less power than BMW 3 series, whereas torque is 10 NM less than BMW 3 series. Due to the lower power, Mercedes C class reaches 100 km/h speed 1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.7
6.9
Real fuel consumption:
8.5 l/100km
7.6 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 0.8 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 120 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 0.9 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
66 litres
61 litres
Full fuel tank distance:
850 km in combined cycle
880 km in combined cycle
1040 km on highway
1050 km on highway
770 km with real consumption
800 km with real consumption
Drive type
Wheel drive type:
All wheel drive (AWD, 4x4)
4x4 - AWD (all-wheel-drive)
Engines
Engine production duration:
20 years
17 years
Engine spread:
Installed on at least 9 other car models, including Mercedes E klase, Mercedes ML, Mercedes G klase
Installed on at least 4 other car models, including BMW 5 sērija, BMW X5, BMW 7 sērija, BMW X6
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.
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.