Standard CL equipment is comprehensive.   The seats, doors and instrument panel are all leather covered, and burled walnut wood trim is used liberally.   The front seats are 14-way adjustable and heated, and have a three-setting memory capability that also sets the electrically telescoping-and-tilting steering wheel and side mirrors.   The audio system is a harman/kardon Logic7 surround sound with 11 speakers and a six-disc in-dash changer, memory card slot and auxiliary inputs.   Sirius satellite radio is standard.   There's a power sunroof overhead and a power rear-window sunblind in the rear parcel shelf.   Doors have power assist closing mechanisms, and the trunk-lid is electrically powered.   The Mercedes COMAND system, a centralized computer interface with a dash-mounted flat panel screen, is also standard.   It enables access to many of the car's accessories including navigation, phone, climate controls, and other customizable features (exterior courtesy lights, seat settings and voice command setup).   Bi-Xenon headlights are standard, too, as is Parktronic, a distance sensing parking aid hidden behind the bumpers.  

The CL550 4MATIC Premium 2 Package ($3,430) includes heated and ventilated front seats, a keyless entry system, multi-adjustable front seats fitted with pneumatic chambers that adjust cushion firmness and lumbar support, a night vision system with an in-dash screen, and a rear backup camera.   Options include a heated steering wheel ($480), Splitview ($700), Diamond White metallic paint ($795), illuminated door sills ($700).   A Sport Package adds special aerodynamic pieces and larger, and 19-inch wheels ($5,800) or 20-inch wheels ($6,550).   Or choose 19-inch ($1,250) or 20-inch ($2,000) wheels by themselves.   The Distronic Plus dual-radar system ($2,850) provides active cruise control, blind spot assist, and parking guidance.  

The CL600 includes virtually everything as standard equipment, including Active Body Control suspension and Distronic Plus.   Only the 19 or 20-inch wheels, Diamond White paint, illuminated door sills, Splitview and some dealer accessories are optional.  

The CL63 AMG adds distinct bodywork and higher-performance brakes, suspension, wheels and tires along with its hand-made V8.   Options include the Distronic Plus package, Premium 2 package ($2,160), Diamond White paint, Splitview, and an AMG Performance package ($7,180) that raises the top speed limiter from 155 to 186 mph and adds forged twin-spoke wheels.  

CL65 AMG models are fully equipped, with only Splitview and Diamond White paint as extra.  

Designo features, lavish finishes and colors are available to personalize the cars to taste.  

Safety features on all CL models include a pair of two-stage front airbags, a driver's-side knee airbag, two front side airbags, two rear side airbags, and side head-curtain airbags for front and rear passengers.   There are seatbelt pre-tensioners for the front passengers' belts.   Windows and sunroof close automatically if the car detects an impending collision.   Also standard: ABS with electronic brake-force distribution and automatic wet-weather drying, dynamic stability control, traction control, and Distronic cruise control.   Optional safety equipment includes Distronic Plus distance-sensing cruise control with Parking Guidance and Blind Spot Assist.