BMW 3 series is a more dynamic driving. Mercedes C class engine produces 14 HP less power than BMW 3 series, whereas torque is 15 NM less than BMW 3 series. Due to the lower power, Mercedes C class reaches 100 km/h speed 1.7 seconds later.
Fuel consumption
Fuel consumption (l/100km):
9.6
7.4
The BMW 3 series is a better choice when it comes to fuel economy. Mercedes C class consumes 2.2 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 330 litres more fuel.
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.
Trunk capacity:
470 litres
435 litres
Trunk max capacity: with rear seats folded down
1384 litres
1345 litres
Mercedes C class has more luggage capacity. Mercedes C class has 35 litres more trunk space than the BMW 3 series. The maximum boot capacity (with all rear seats folded down) is larger in Mercedes C class (by 39 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 fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 10 percent more cases than Mercedes C class, so Mercedes C class quality is probably slightly better
