Mercedes-Benz CLK-Class 2006 Owners Manual - Manual (Page 471)

470
Technical data
Engine
Model CLK 350 (209.456) 1
1 The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Center for the corresponding data of all special bodies and special equipment.
CLK 500 (209.475) 1 CLK 55 AMG (209.476) 1
Engine 272 113 113
Mode of operation 4-stroke engine, gasoline injec-
tion 4-stroke engine, gasoline injec-
tion 4-stroke engine, gasoline injec-
tion
No. of cylinders 6 8 8
Bore 3.66 in (92.90 mm) 3.82 in (97.00 mm) 3.82 in (97.00 mm)
Stroke 3.39 in (86.00 mm) 3.31 in (84.00 mm) 3.62 in (92.00 mm)
Total piston displacement 213.5 cu in (3498 cm 3 ) 303.0 cu in (4966 cm 3 ) 331.8 cu in (5439 cm 3 )
Compression ratio 10.5:1 10:1 11:1
Output acc. to SAE J 1349 268 hp /6000 rpm 2
(200 kW/6000 rpm)
2 Premium fuel required. Performance may vary with fuel octane rating.
302 hp /5600 rpm 2
(225 kW/5600 rpm)
362 hp /5750 rpm 2
(270 kW/5750 rpm)
Maximum torque acc. to SAE J
1349 258 lb-ft/2400 - 5000 rpm
(350 Nm/ 2400 - 5000 rpm) 339 lb-ft/2700 - 4250 rpm
(460 Nm/2700 - 4250 rpm) 376 lb-ft/4000 rpm
(510 Nm/4000 rpm)
Maximum engine speed 6300 rpm 6300 rpm 6700 rpm
Firing order 1-4-3-6-2-5 1-5-4-2-6-3-7-8 1-5-4-2-6-3-7-8
Poly-V-belt 2404 mm 2380 mm 2380 mm