2005 Mercedes-Benz C vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 6,208 cc (8 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (503 HP @ 6800 RPM) has 314 more horse power than 2005 Mercedes-Benz C. (189 HP @ 5800 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 2005 Mercedes-Benz C.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz R will offer significantly more control. 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, 2007 Mercedes-Benz R (632 Nm @ 5000 RPM) has 372 more torque (in Nm) than 2005 Mercedes-Benz C. (260 Nm @ 3500 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2005 Mercedes-Benz C | 2007 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | C | R |
| Year Released | 2005 | 2007 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1803 cc | 6208 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 503 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 260 Nm | 632 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 82.1 mm | 102.2 mm |
| Engine Stroke Size | 85 mm | 94.6 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4350 mm | 5160 mm |
| Vehicle Width | 1730 mm | 1930 mm |
| Vehicle Height | 1410 mm | 1670 mm |
| Wheelbase Size | 2720 mm | 3220 mm |
| Fuel Consumption | 7.4 L/100km | 14.7 L/100km |
| Fuel Consumption City | 10.2 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.2 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 62 L | 80 L |
