[14] The production version of the C219 CLS-Class was based on the W211 E-Class platform,[15] and shares major components including the engines, transmissions and an identical wheelbase of 2,854 mm (112 in).

[21] The CLS 55 AMG is a high-performance variant of the CLS-Class featuring a 5.4-litre supercharged V8 producing 350 kW (476 PS; 469 hp) and 700 N⋅m (516 lb⋅ft), and was unveiled at the Paris Motor Show in 2004.

The car is powered by the then new Mercedes M156 engine that produces 383 kW (521 PS; 514 hp) and 630 N⋅m (465 lb⋅ft);[26] with less torque than before in order to accommodate the new AMG Speedshift Plus 7G-Tronic seven-speed transmission, instead of the previous five-speed automatic.

[31] The CLS 63 AMG had a 6,208 cc (6.208 L) V8 petrol engine, with 383 kW (521 PS; 514 hp) and 630 N⋅m (465 lb⋅ft) of torque, and an electronically-limited top speed of 250 km/h (155 mph).

[36] Standard equipment included: bi-xenon headlights, titanium grey 18-inch five-spoke alloy wheels, laurel wood interior trim, and 'Grand Edition' insignia.

[37] Models were also offered with a choice of designo leather upholstery and four exclusive metallic exterior paint colours.

Launched in 2006, this exclusive model is based on the high-performance CLS 55 AMG, known for its powerful 5.4-liter supercharged V8 engine producing 469 horsepower.