SLK Engine Information
These pages contain information on all the engines for USA Spec SLKs
Please select for which engine you would like information:
3.2 Liter Supercharged Engine from the SLK 32
3.2 Liter Normally Aspirated Engine from the SLK 320
2.3 Supercharged Engine from the SLK 230
Engine AMG-built intercooled supercharged 3,199-cc SOHC 18-valve V-6. High-pressure die-cast alloy cylinder block. Reinforced crankshaft and valvetrain. Alloy Heads. Lightweight camshafts.
Net power: 349 hp @ 6,100 rpm
Net torque: 332 lb-ft @ 4,400 rpm
Compression ratio 9.0:1
Fuel requirement :Premium unleaded, 91 pump octane.
Fuel and ignition system: ME 2.7 engine management. Integrated sequential multipoint fuel injection and phased twin-spark ignition with individual cylinder control of fuel spray, spark timing phase, and antiknock. Two spark plugs per cylinder, 100,000-mile spark plug intervals. Electronically controlled throttle.
Intake system: Intercooled helical high-pressure supercharger with electromechanical clutch.

Above: 3.2 AMG engine overview

Above: With front cover removed

Above: Air filters removed

Above: Airflow. Blue is unpressurized air, red pressurinzed air.
Purple is a proposed boost gauge line.

Above: Air to water intercooler system