Engine SOHC 18-valve V-6. High-pressure die-cast alloy cylinder block, alloy cylinder heads. 10.5:1 compression.

Displacement 2,597 cc

Net power 168 hp @ 5,500 rpm

Net torque 177 lb-ft @ 4,500 rpm

Fuel and ignition systems ME 2.8 engine management. Integrated sequential multipoint fuel injection and phased twin-spark ignition with individual cylinder control of fuel spray, spark timing and phase, and antiknock. Two high-energy ignition coils and two spark plugs per cylinder, with 100,000-mile spark plug intervals. Electronically controlled throttle. Fuel requirement: Premium unleaded, 91 pump octane.

Intake system Magnesium 2-stage resonance intake manifold increases runner length at lower rpm for improved response.

Transmission Fully synchronized 6-speed manual with clutch-starter interlock or driver-adaptive electronic 5-speed automatic.¹ Touch Shift allows driver to manually downshift and allow upshifts by nudging the shift lever left or right from the Drive position. Driver-selectable winter mode starts vehicle moving in 2nd gear or a special second Reverse gear, to help improve takeoff on slippery surfaces. Display in instrument cluster indicates selected gear range and standard/winter mode.

Rear axle ratio 3.46:1

1. Automatic transmission is optional at extra cost on C240.