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Technical data
Engine
̄ 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 550 (209.472)
1
CLK 63 AMG (209.477)
1
Engine 272 273 156
Mode of operation 4-stroke engine,
gasoline injection
4-stroke engine,
gasoline injection
4-stroke engine,
gasoline injection
No. of cylinders 6 8 8
Bore 3.66 in (92.90 mm) 3.85 in (98.00 mm) 4.02 in (102.20 mm)
Stroke 3.39 in (86.00 mm) 3.56 in (90.50 mm) 3.72 in (94.60 mm)
Total piston displacement 213.5 cu in (3498 cm
3
) 333.25 cu in (5461 cm
3
) 378.8 cu in (6208 cm
3
)
Compression ratio 10.5:1 10.5:1 11.3:1
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.
382 hp/6000 rpm
2
(285 kW/6000 rpm)
475 hp/6800 rpm
2
(354 kW/6800 rpm)
Maximum torque acc. to SAE J
1349
258 lb-ft/2400 - 5000 rpm
(350 Nm/2400 - 5000 rpm)
391 lb-ft/2800 - 4800 rpm
(530 Nm/2800 - 4800 rpm)
465 lb-ft/5000 rpm
(630 Nm/5000 rpm)
Maximum engine speed 6300rpm 6500 rpm 7200 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 2380mm 2369 mm