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Mercedes-Benz SLS AMG Coupe and Roadster Specifications


Model SLS AMG Coupe SLS AMG Roadster
Vehicle type Two-seat coupe with gullwing doors and front/mid-engine layout Two-seat roadster with gullwing doors and front/mid-engine layout
Chassis Aluminum spaceframe
 
Engine 90-degree 6.2 liter V8
Engine material Aluminum block and heads
Valvetrain Dual overhead camshafts per cylinder bank, duplex chain driven, with 4-valves per cylinder.
Valve arrangement Two intake and two exhaust
Displacement (cu. in./cc) 378.7 / 6,208
Bore (in./mm) 4.02 / 102.2
Stroke (in./mm) 3.72 / 94.6
Compression ratio 11.3:1
Horsepower (SAE) @ rpm 563 @ 6,800
Torque (lb-ft.) @ rpm 479 @ 4,750
Intake system 8 Velocity Stacks
Engine management Bosch Motronic
Max. engine speed (rpm) 7,200
 
Transmission Rear Transaxle AMG SPEEDSHIFT DCT seven-speed sports transmission
Shift controls AMG DRIVE UNIT with E-SELECT lever
Gear ratios for both models:
Gear
1
2
3
4
5
6
7
R
final drive
Ratio
3.40:1
2.19:1
1.63:1
1.29:1
1.03:1
0.84:1
0.72:1
2.79:1
3.67:1
Overall Ratio
12.48:1
8.04:1
5.98:1
4.73:1
3.78:1
3.08:1
2.64:1
-10.24:1
 
 
Stability control AMG Stage 3 Electronic Stability Program (ESP) integrates brake application and throttle intervention for yaw control, plus ignition and throttle intervention for full-range traction control
Suspension
Front Aluminum double wishbone suspension, anti-dive, coil springs, gas-filled shock absorbers, stabilizer bar
Rear Aluminum double wishbone suspension, anti-squat and anti-dive systems, coil springs, gas-filled shock absorbers, stabilizer bar
Steering Speed-sensitive rack-and-pinion power steering
Steering ratio 13.1:1
Turning radius (ft.) 39
 
Wheels, tires and brakes for both models
Wheels Front 9.5J x 19
Rear 11J x 20
Tires Front 265/35R19
Rear 295/30R20
Brakes Compound disc brakes, internally ventilated and perforated
Disc diameter
(in./mm)
Front 15.5 / 393.7
Rear 14.2 / 360.7
Disc thickness
(in./mm)
Front 1.42 / 36.1
Rear 1.02 / 25.9
 
Exterior dimensions (in. / mm)
Wheelbase 105.5 / 2680
Length 182.6 / 4,638
Width 76.3 / 1,938
Height 49.3 / 1252
Ground clearance TBD
Track
(in./mm)
Front 66.2 / 1681
Rear 65 / 1651
Aerodynamic drag (Cd) .36 TBD
Frontal area (sq. ft.) 6.98
Interior dimensions (in. / mm)
Head room 39.1 / 993
Leg room 41.7 / 1,059
Shoulder room 38.4 / 975
Capacities
Cabin volume TBD
Curb weight 3,573 3,661 (est.)
Towing N/A
Maximum total payload 529
Fuel capacity / reserve (gallons) 22.5 / 3.7
 
Performance
Zero to sixty (seconds) 3.7
Top speed ( 197 MPH
Fuel economy 14 City / 20 Highway / 16 Overall TBD


 

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