2010 Mercedes-Benz SLK-Class Technical Data


SLK300 SLK350 SLK55 AMG
Vehicle type two seat coupe/roadster with power-operated retractable hard top two seat coupe/roadster with power-operated retractable hard top two seat coupe/roadster with power-operated retractable hard top
Chassis Steel unibody Steel unibody Steel unibody
 
Internal Combustion Engine 90-degree V6 90-degree V6 Sport 90-degree V8
Engine material Aluminum block and heads Aluminum block and heads Aluminum block and heads
Valve arrangement 4 valves per cylinder 4 valves per cylinder 3 valves per cylinder
Valvetrain Double overhead camshaft per cylinder bank, two intake valves and two exhaust valves per cylinder Double overhead camshaft per cylinder bank, two intake valves and two exhaust valves per cylinder Single overhead cam, two intake and one exhaust valve per cylinder
Displacement (cc) 182.7 / 2,996 213.5 / 3,498 331.9 / 5,439
Bore (in./mm) 3.47 / 88.0 3.66 / 92.9 3.82 / 97.0
Stroke (in./mm) 3.24 / 82.2 3.39 / 86.0 3.62 / 92.0
Compression ratio 11.3:1 11.7:1 11.0:1
Horsepower @ rpm 228 @ 6,000 300 @ 6,500 355 @ 5,750
Torque (lb-ft.) @ rpm 221 @ 2,500-5,000 265 @ 4,900 376 @ 4,000
Intake system Two-stage variable intake control Two-stage variable intake control Magnesium 2-stage resonance intake manifold
Max. engine speed (rpm) 6,500 7,200 rpm 6,700 rpm
 
Transmission 6-speed manual
or 7-speed automatic
Seven-speed automatic Seven-speed automatic
Shift controls Optional Touch Shift
manual shift control
Touch Shift
manual shift control
AMG SPEEDSHIFT
Gear ratios Manual / Automatic Automatic Automatic
1 4.46:1 / 4.38:1 4.38:1 4.38:1
2 2.61:1 / 2.86:1 2.86:1 2.86:1
3 1.72:1 / 1.92:1 1.92:1 1.92:1
4 1.25:1 / 1.37:1 1.37:1 1.37:1
5 1.00:1 / 1.00:1 1.00:1 1.00:1
6 0.84:1 / 0.82:1 0.82:1 0.82:1
7 -- / 0.73:1 0.73:1 0.73:1
R -4.061:1 / -3.42:1 - 3.42:1 - 3.42:1
R2 "comfort mode" -- / - 2.23:1 - 2.23:1 --
Final drive 3.27:1 3.27:1 3.06 :1
 
Stability control ESP stability control ESP stability control ESP stability control
Traction control ASR traction control ASR traction control ASR traction control
Suspension Four-wheel independent (sport shock and springs with lowered ride height on SLK55 AMG and Sport package) Four-wheel independent (sport shock and springs with lowered ride height on SLK55 AMG and Sport package) Four-wheel independent (sport shock and springs with lowered ride height on SLK55 AMG and Sport package)
  front McPherson independent 3-link McPherson independent 3-link Three lower links, strut, AMG sport coil springs, AMG sport gas-charged twin-tube shock absorbers, and AMG sport stabilizer bar
  rear Five-link with anti-squat geometry, coil springs, gas shocks, stabilizer bar Five-link with anti-squat geometry, coil springs, gas shocks, stabilizer bar Five-link, AMG sport coil springs, AMG sport gas-charged twin-tube shock absorbers, and AMG sport stabilizer bar
Steering Rack-and-pinion with integrated hydraulic damper and Direct Steer system Rack-and-pinion with integrated hydraulic damper and Direct Steer system Rack-and-pinion with integrated hydraulic damper and Direct Steer system
Turns, lock-to-lock 2.16 2.16 2.16
Steering ratio variable variable variable
Turning radius (ft.) 34.5 34.5 34.5
Wheels (in.) front 7.5 x 17 7.5 x 17 7.5 x 18
  rear 8.5 x 17 8.5 x 17 8.5 x 18
Tires front 225 / 45 R 17 225 / 45 R 17 225 / 40 R 18
  rear 245 / 40 R 17 245 / 40 R 17 245 / 35 R 18
Brakes Hydraulic power assisted 4-wheel discs with 4-channel ABS anti-lock; Brake Assist Hydraulic power assisted 4-wheel discs with 4-channel ABS anti-lock; Brake Assist Hydraulic power assisted 4-wheel discs with 4-channel ABS anti-lock;
Brake Assist
Disc diameter (in./mm) front 11.8 / 300; ventilated 13.0 / 330; ventilated & perforated 13.6 / 345; ventilated & perforated
rear 10.9 / 278; solid 11.4 / 290; solid 11.8 / 300; vented
Disc thickness (in./mm) front 1.1 / 28 1.1 / 28 1.2 / 30
rear 0.35 / 9 0.39 / 10 0.87 / 22
 
Exterior dimensions (in. / mm)
Wheelbase 95.7 / 2,430 95.7 / 2,430 95.7 / 2,430
Length 161.5 / 4,103 161.5 / 4,103 161.5 / 4,103
Width (mirrors folded) 70.4 / 1,788 70.4 / 1,788 70.6 / 1,794
Height 51.1 / 1,298 51.1 / 1,298 50.7 / 1,287
Ground clearance (in.) TBD TBD TBD
Track front 60.1 / 1,526 60.1 / 1,526 60.0 / 1,524
rear 61 / 1,549; solid 61 / 1,549; solid 61 / 1,549; ventilated
Curb weight (lbs.) 3,208 / 3,252 3,318 3,472
Aerodynamic drag (Cd) 0.34 0.34 0.35
 
Interior dimensions (in.)
Head room (w/sunroof) front 37.9 / 965 37.9 / 965 37.9 / 965
2nd row
3rd row
-- -- --
Leg room front 42.5/1,079 42.5/1,079 42.5/1,079
2nd row
3rd row
-- -- --
Shoulder room front 52.2 / 1,326 52.2 / 1,326 52.2 / 1,326
2nd row
3rd row
-- -- --
Cargo Length Back row up -- -- --
Back row down
2nd and Back row down
--
--
--
--
--
--
Cargo floor width (narrowest) -- -- --
 
Capacities
Cabin volume (cu. ft.) 48.8 48.8 48.8
Cargo volume Back row up 9.8 (top up) / 6.5 (top down) 9.8 (top up) / 6.5 (top down) 9.8 (top up) / 6.5 (top down)
Back row down -- -- --
Gross vehicle w eight rating (lbs.) -- -- --
Towing (lbs.) -- -- --
Max. total payload -- -- --
Fuel tank/reserve (gallons) 18.5 / 2.4 18.5 / 2.4 18.5 / 2.4
AdBlue tank (gallons) N/A N/A N/A
 
Performance
0-60 (seconds) 6.1 5.3 4.9
Top speed (mph) 155 (electronically limited) 155 (electronically limited) 155 (electronically limited)
Fuel mileage, city/hwy man: 17/26 / auto: 19/26 18 / 26 14 / 22
Note: Technical specifications are subject to change.