2009 Mercedes-Benz SL vs. 2007 Mercedes-Benz C
To start off, 2009 Mercedes-Benz SL 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 5,513 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (510 HP @ 5000 RPM) has 389 more horse power than 2007 Mercedes-Benz C. (121 HP @ 4200 RPM). In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz C weights approximately 265 kg more than 2009 Mercedes-Benz SL.
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 SL (830 Nm @ 1900 RPM) has 560 more torque (in Nm) than 2007 Mercedes-Benz C. (270 Nm @ 1600 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz C.
Compare all specifications:
| 2009 Mercedes-Benz SL | 2007 Mercedes-Benz C | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | SL | C |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5513 cc | 2148 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 510 HP | 121 HP |
| Engine RPM | 5000 RPM | 4200 RPM |
| Torque | 830 Nm | 270 Nm |
| Torque RPM | 1900 RPM | 1600 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 87 mm | 88.3 mm |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1225 kg | 1490 kg |
| Vehicle Length | 4540 mm | 4350 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1300 mm | 1410 mm |
| Wheelbase Size | 2570 mm | 2720 mm |
| Fuel Consumption Overall | 16.8 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 80 L | 62 L |
