Comparison Mercedes-Benz B-class (W247) B 250 e (218 Hp) PHEV DCT & Mercedes-Benz SLK Coupe (R171) AMG SLK 55 Black Series V8 (400 Hp) 7G-TRONIC
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| Brand: | Mercedes-Benz | Mercedes-Benz |
| Model: | B-class | SLK |
| Generation: | B-class (W247) | SLK Coupe (R171) |
| Engine / modification: | B 250 e (218 Hp) PHEV DCT | AMG SLK 55 Black Series V8 (400 Hp) 7G-TRONIC |
| Production start: | 2020 year | 2006 year |
| Production end: | 2008 year | |
| Coupe type: | Hatchback | Coupe |
| Num. of Doors: | 5 | 2 |
| Num. of seats: | 5 | 2 |
| Fuel Type: | Petrol (Gasoline) | |
| Drag coefficient: | 0.25 | 0.32 |
| Fuel tank volume: | 35 l | 70 l |
| Combined fuel consumption (WLTP): | 1.2 l/100 km | |
| Emission standard: | Euro 6d-ISC-FCM | Euro 4 |
| Power: | 160 hp | 400 hp |
| Max power in: | 5500 rpm. | 5750 rpm. |
| Maximum speed: | 235 km/h | 280 km/h |
| Acceleration from 0 to 100 km/h: | 6.8 sec | 4.5 sec |
| CO2 emissions (WLTP): | 25 g/km | |
| Torque: | 230 Nm @ 1620-4000 rpm. | 520 Nm @ 3750 rpm. |
| Model Engine: | M 282.914 | M 113.989 |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 1332 cm3 | 5439 cm3 |
| Engine oil capacity: | 5.1 l | 8 l |
| Coolant: | 6.8 l | 11.5 l |
| Fuel System: | Direct injection | |
| Aspiration / Turbine: | Turbocharger | |
| Position of cylinders: | Inline | |
| Valvetrain: | DOHC | SOHC |
| Number of cylinders: | 4 | 8 |
| Number of valves per cylinder: | 4 | 3 |
| Compression ratio: | 10.6 | 11 |
| Piston Stroke: | 81.4 mm | 92 mm |
| Cylinder Bore: | 72.2 mm | 97 mm |
| All-electric range (WLTP): | 56-67 km | |
| Average Energy consumption (WLTP): | 17.7 kWh/100 km | |
| Electric motor power: | 102 | |
| Electric motor Torque: | 330 @ 2000 rpm. Nm | |
| Battery capacity: | 15.6 kWh | |
| System power: | 218 Hp hp/ rpm. | |
| System torque: | 450 Nm Nm/ rpm. | |
| Wheel Drive: | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 8 DCT | 7 |
| Length: | 4419 mm | 4087 mm |
| Width: | 1796 mm | 1794 mm |
| Width including mirrors: | 2020 mm | |
| Height: | 1562 mm | 1271 mm |
| Wheelbase: | 2729 mm | 2430 mm |
| Front track: | 1567 mm | 1524 mm |
| Rear (Back) track: | 1547 mm | 1549 mm |
| Ride height(clearance): | 104 mm | |
| Approach angle: | 13.4 ° | |
| Departure angle: | 17.2 ° | |
| Ramp angle: | 9.4 ° | |
| Front overhang: | 914 mm | |
| Rear overhang: | 776 mm | |
| Minimum volume of Luggage (trunk): | 405 l | 208 l |
| Maximum amount of Luggage (trunk): | 1440 l | |
| Front suspension: | McPherson | |
| Max weight: | 2225 kg | 1790 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs |
| Kerb Weight: | 1650 kg | 1420 kg |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Hydraulic Steering |
| Max. roof load: | 75 kg | 50 kg |
| Minimum turning circle (turning diameter): | 11 m | 10.51 m |
| Permitted trailer load with brakes (12%): | 1600 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 80 kg | |
| Tire size: | 205/55 R17 | Front wheel tires: 235/35 R 19 ZR |
| Wheel rims size: | 6.5J x 17 |