2003 Mercedes-Benz SLK vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz SLK would be higher. At 1,998 cc (4 cylinders), 2003 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz SLK (161 HP @ 5300 RPM) has 53 more horse power than 2007 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2003 Mercedes-Benz SLK should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz B weights approximately 145 kg more than 2003 Mercedes-Benz SLK.
Because 2003 Mercedes-Benz SLK 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 2003 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mercedes-Benz B (251 Nm @ 1600 RPM) has 17 more torque (in Nm) than 2003 Mercedes-Benz SLK. (234 Nm @ 2500 RPM). This means 2007 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz SLK.
Compare all specifications:
| 2003 Mercedes-Benz SLK | 2007 Mercedes-Benz B | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | SLK | B |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 108 HP |
| Engine RPM | 5300 RPM | 4200 RPM |
| Torque | 234 Nm | 251 Nm |
| Torque RPM | 2500 RPM | 1600 RPM |
| Engine Bore Size | 89.9 mm | 83 mm |
| Engine Stroke Size | 78.7 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1435 kg |
| Vehicle Length | 4020 mm | 4280 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1280 mm | 1610 mm |
| Wheelbase Size | 2410 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 54 L |
