2007 Mercedes-Benz C vs. 2011 Mercedes-Benz R
To start off, 2011 Mercedes-Benz R is newer by 4 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 3,500 cc (6 cylinders), 2011 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz R (268 HP @ 6000 RPM) has 40 more horse power than 2007 Mercedes-Benz C. (228 HP @ 6000 RPM) In normal driving conditions, 2011 Mercedes-Benz R should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz R weights approximately 1005 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.
Because 2011 Mercedes-Benz R is all wheel drive (AWD), it will have significant more traction and grip than 2007 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Mercedes-Benz R (349 Nm @ 2400 RPM) has 49 more torque (in Nm) than 2007 Mercedes-Benz C. (300 Nm @ 2700 RPM). This means 2011 Mercedes-Benz R 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 | 2011 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | C | R |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 268 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 300 Nm | 349 Nm |
| Torque RPM | 2700 RPM | 2400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1240 kg | 2245 kg |
| Vehicle Length | 4530 mm | 5156 mm |
| Vehicle Width | 1730 mm | 1958 mm |
| Vehicle Height | 1410 mm | 1661 mm |
| Wheelbase Size | 2720 mm | 3216 mm |
| Fuel Consumption | 8.6 L/100km | 12.4 L/100km |
| Fuel Consumption City | 10.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 62 L | 80 L |
