2020 Mercedes-Benz SL 550 Roadster
Vehicle Type |
Two-seat roadster with power-operated retractable hard top |
Chassis |
Aluminum unibody |
Drive Configuration |
Rear Wheel Drive |
|
|
Exterior Dimensions (in) |
|
Wheelbase |
101.7 |
Length |
182.3 |
Width (w/ mirrors) |
82.6 |
Width (w/o mirrors) |
76.7 |
Height |
51.2 |
Track (front / rear) |
62.8 / 63.0 |
Ground Clearance (max load) |
3.7 |
Curb Weight (lbs) |
3,959 |
|
|
Interior Dimensions (in) |
|
Head room |
39.1 |
Leg room |
42.9 |
Shoulder room |
55.5 |
|
|
Capacities (cu-ft) |
|
Cabin Volume |
50.5 |
Trunk Size (top up / down) |
13.5 / 8.5 |
|
|
Suspension |
|
Front |
Independent multi-link suspension with coil spring, single-tube shock absorber with continuously adjustable damping and |
Rear |
Independent multi-link suspension with coil spring, single-tube shock absorber with continuously adjustable damping and |
|
|
Steering |
|
Type |
Speed-dependent, electro-mechanical rack-and-pinion |
Ratio |
15.7 : 1 |
Turning Circle (ft) |
36.2 (wall-to-wall) |
|
|
Brake Disc Diameter / Thickness (in.) |
|
Front |
14.2 / 1.4 |
Rear |
12.6 / 0.94 |
|
|
Standard Wheels (in) |
|
Front |
8.5 x 19 (Cast) |
Rear |
9.5 x 19 (Cast) |
|
|
Standard Tires |
|
Front |
255 / 35 R19 |
Rear |
285 / 30 R19 |
|
|
Engine |
|
Engine Type |
4.7L V8 Biturbo |
Engine Material |
Aluminum-Alloy |
Valvetrain / Arrangement |
DOHC, 4-valves per cylinder |
Displacement (cc) |
4,663 |
Bore (in / mm) |
3.66 / 92.9 |
Stroke (in / mm) |
3.39 / 86.0 |
Compression Ratio |
10.5 : 1 |
Horsepower @ rpm |
449 @ 5,500 – 6,000 |
Torque @ rpm |
516 @ 1,800 –3,500 |
Redline (rpm) |
6,300 |
|
|
Transmission |
|
Transmission Type |
9G-TRONIC 9-speed automatic |
Shift Controls |
Wheel-mounted shift paddles |
Gear Ratios: |
|
1st |
5.35 : 1 |
2nd |
3.24 : 1 |
3rd |
2.25 : 1 |
4th |
1.64 : 1 |
5th |
1.21 : 1 |
6th |
1.00 : 1 |
7th |
0.86 : 1 |
8th |
0.72 : 1 |
9th |
0.60 : 1 |
Reverse |
4.80 : 1 |
Final Drive |
2.00 : 1 |
|
|
Performance |
|
0-60 mph (sec) |
4.3 |
Top Speed (mph) |
155 (electronically limited) |
|
|
Fuel Economy |
|
City / Highway / Combined (mpg) |
17 /25 / 20 |
Fuel Tank (gallons) |
19.8 |
|
|
MSRP* |
|
SL 550 Roadster |
$114,700 |
*does not include $995 destination & delivery charge
Note: Technical specifications subject to change
# # #