2007 Mercedes-Benz C vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz C would be higher. At 2,987 cc (6 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (221 HP @ 3800 RPM) has 80 more horse power than 2007 Mercedes-Benz C. (141 HP @ 5200 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 340 kg more than 2007 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2009 Mercedes-Benz CLS (510 Nm @ 1600 RPM) has 290 more torque (in Nm) than 2007 Mercedes-Benz C. (220 Nm @ 2500 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz C.
Compare all specifications:
| 2007 Mercedes-Benz C | 2009 Mercedes-Benz CLS | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | C | CLS |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 221 HP |
| Engine RPM | 5200 RPM | 3800 RPM |
| Torque | 220 Nm | 510 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 | 246 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 7 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1815 kg |
| Vehicle Length | 4860 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2720 mm | 2860 mm |
| Fuel Consumption Overall | 8.1 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 62 L | 80 L |
