2009 Mercedes-Benz C vs. 2010 Mercedes-Benz B
To start off, 2010 Mercedes-Benz B is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz C would be higher. At 1,989 cc (4 cylinders), 2010 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (141 HP @ 5200 RPM) has 3 more horse power than 2010 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2009 Mercedes-Benz C should accelerate faster than 2010 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz C weights approximately 30 kg more than 2010 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercedes-Benz C is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2010 Mercedes-Benz B, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2010 Mercedes-Benz B (300 Nm @ 1600 RPM) has 80 more torque (in Nm) than 2009 Mercedes-Benz C. (220 Nm @ 2500 RPM). This means 2010 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz C.
Compare all specifications:
| 2009 Mercedes-Benz C | 2010 Mercedes-Benz B | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | C | B |
| Year Released | 2009 | 2010 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1989 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 138 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 220 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 1600 RPM |
| Engine Bore Size | 82 mm | 83 mm |
| Engine Stroke Size | 85 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 223 km/hour | 200 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 9.7 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1465 kg | 1435 kg |
| Vehicle Length | 4350 mm | 4280 mm |
| Vehicle Width | 1730 mm | 1610 mm |
| Vehicle Height | 1410 mm | 1780 mm |
| Wheelbase Size | 2720 mm | 2780 mm |
| Fuel Consumption Overall | 8.2 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 62 L | 54 L |
