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SLS AMG Roadster
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| Vehicle type |
Two-seat roadster with front/mid-engine
layout |
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| Chassis |
Aluminum spaceframe
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| Engine |
6.3-liter V8
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| Valve arrangement |
4 vales per cylinder
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| Valvetrain |
DOHC
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| Displacement (cc) |
6,208
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| Bore (in./mm) |
4.02
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| Stroke (in./mm) |
3.72
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| Compression ratio |
11.3 : 1
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| Horsepower @ rpm |
563 @ 6,800
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| Torque (lb-ft.) @ rpm |
479 @ 4,750
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| Intake system |
8 Velocity Stacks
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| Max. engine speed (rpm) |
7,200
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| Transmission |
Rear Transaxle AMG SPEEDSHIFT DCT seven-speed sports transmission
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| Shift controls |
AMG DRIVE UNIT with E-SELECT LEVER
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| Gear ratios | |
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| 1 |
3.39
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| 2 |
2.19
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| 3 |
1.63
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| 4 |
1.29
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| 5 |
1.03
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| 6 |
0.84
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| 7 |
0.72
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| R |
-2.79
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| R2 "comfort mode" |
–
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| Final drive |
3.67
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| Stability control |
AMG 3-Stage ESP
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| Suspension |
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| front |
Aluminum double wishbone suspension, anti-dive, coil springs, gas-filled shock absorbers, stabilizer bar
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| rear |
Aluminum double wishbone suspension, anti-squat and anti-dive systems, coil springs, gas-filled shock absorbers, stabilizer bar
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| Steering |
Speed-sensitive rack-and-pinion power steering
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| Turning radius (ft.) |
39
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| Wheels (in.) | front |
9.5J x 19
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| rear |
11J x 20
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| Tires | front |
265/35 R19
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| rear |
295/30 R20
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| Brakes |
Compound disc brakes, internally ventilated and perforated
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| Disc diameter (in./mm) | front |
15.4
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| rear |
14.2
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| Disc thickness (in./mm) | front |
1.42
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| rear |
1.02
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| Exterior dimensions (in) | ||
| Wheelbase |
105.5
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| Length |
182.6
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| Width |
76.3
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| Height |
49.65
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| Ground clearance (in.) |
TBD
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| Track | front |
66.2
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| rear |
65
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| Interior dimensions (in.) | ||
| Head room | front |
39.1
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| 2nd / 3rd row |
–
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| Leg room | front |
41.7
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| 2nd / 3rd row |
–
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| Shoulder room | front |
58.4
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| 2nd |
–
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| Cargo Length | Back row up |
–
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| Back |
–
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| Capacities | ||
| Cabin volume (cu. ft.) |
TBD
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| Cargo volume | seats up |
6.11
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| Back row down |
N/A
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| Curb weight (lbs.) |
3,661 (est)
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| Towing (lbs.) |
N/A
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| Max. total payload |
529
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| Fuel tank/reserve (gallons) |
22.5/3.7
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| AdBlue tank (gallons) |
N/A
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| Performance | ||
| 0-60 (seconds) |
3.7
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| Top speed (mph) |
197
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| Fuel mileage, city/hwy (EPA estimates) |
14 City / 20 Highway / 16 Overall
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2012 Mercedes-Benz SLS AMG Roadster
