The SLK 55 was first introduced in 2005 and was updated for the 2010 model year and beyond. The car's 5.5L V8 is unchanged with an output of 355 horsepower at 5750 rpm and 376 pound-feet of torque at 4000rpm.
The SLK 55 AMG is a high-performance variant of the successful SLK-Class roadster from Mercedes-Benz. As with all AMG models, the SLK 55 sports wider fenders, a lower stance, quad tailpipes, enlarged air intakes, and, of course, a more powerful engine.
Vehicle:
EPA Classification 2 Seater
EPA Greenhouse Gas Score 3
Engine:
Engine Type Gas V8
Displacement 5.5L/332
Fuel System SMPI
SAE Net Horsepower @ RPM 355 @ 5750
SAE Net Torque @ RPM 376 @ 3500
Transmission:
Drivetrain Rear Wheel Drive
Trans Order Code 427
Trans Type 7
Trans Description Cont. Automatic w/OD
First Gear Ratio (:1) 4.38
Second Gear Ratio (:1) 2.86
Third Gear Ratio (:1) 1.92
Fourth Gear Ratio (:1) 1.37
Fifth Gear Ratio (:1) 1.00
Sixth Gear Ratio (:1) 0.82
Reverse Ratio (:1) 3.42 (R2 2.23)
Final Drive Axle Ratio (:1) 3.06
Seventh Gear Ratio (:1) 0.73
Mileage:
Fuel Economy Est-Combined (MPG) 17
EPA Fuel Economy Est - City (MPG) 14
EPA Fuel Economy Est - Hwy (MPG) 22
Electrical:
Cold Cranking Amps @ 0° F (Primary) - TBD -
Maximum Alternator Capacity (amps) 150
Cooling System:
Total Cooling System Capacity (qts) 11.7
Weight Information:
Base Curb Weight (lbs) 3472
Trailering
Suspension:
Suspension Type - Front Independent
Suspension Type - Rear Independent
Suspension Type - Front (Cont.) 3-Link
Suspension Type - Rear (Cont.) 5-arm Multi-Link
Brakes:
Brake Type Power
Brake ABS System 4-Wheel
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 13.6 x 1.2
Rear Brake Rotor Diam x Thickness (in) 11.8 x 0.9
Tires:
Front Tire Size P225/40ZR18
Rear Tire Size P245/35ZR18
Wheels:
Front Wheel Size (in) 18 x 7.5
Rear Wheel Size (in) 18 x 8.5
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Steering:
Steering Type Pwr Rack & Pinion
Steering Ratio (:1), Overall - TBD -
Lock to Lock Turns (Steering) 2.16
Turning Diameter - Curb to Curb (ft) 34.5
Turning Diameter - Wall to Wall (ft)
Fuel Tank:
Fuel Tank Capacity, Approx (gal) 18.5
Exterior Dimensions
Wheelbase (in) 95.7
Length, Overall (in) 161.4
Width, Max w/o mirrors (in) 70.6
Height, Overall (in) 50.0
Track Width, Front (in) 60.0
Track Width, Rear (in) 61.0
The SLK 55 AMG forgoes that styling treatment. Instead, the AMG model wears a wider lower grille, a blacked-out lower lip, front-mounted air vents and smoked headlights.
