Introducing the 2009 Mercedes-Benz S-Class:

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New Car Test Drive

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“The benchmark for true luxury.”

The S-Class is made up of the S550 models, which come with a V8 engine, and the S600, which comes with a turbocharged V12. The S550 4MATIC adds the all-weather capability of all-wheel drive. Two AMG versions bring racecar performance to this big luxury sedan.

All of them boast quick acceleration and are comfortable and stable at high speeds. Performance goes up with the more powerful engines, of course. The S600 can accelerate from 0-60 mph in about 4.5 seconds, according to Mercedes, which is very quick indeed.

These cars handle remarkably well for big luxury sedans. They are responsive but not darty. The Airmatic air suspension system is tuned toward the sportier end of the spectrum. The Automatic Body Control active suspension option cuts body roll significantly, and you can really feel it working when you throw the car into a fast, sweeping downhill curve. And we found the Brake Assist Plus brakes spectacular in their stopping power and stopping distance performance.

For 2009, all S-Class models get heated and active-ventilated front seats, a wood-and-leather steering wheel, a power trunk lid, shift paddles (replacing smaller buttons) on the steering wheel, and push-pull power window switches. The optional Distronic Plus cruise control now includes Blind Spot Assist and radar-type Park Assist. And new 18-inch alloy wheels with seven double spokes enhance the look of the base S550. The current generation dates from 2007, when the S-Class was completely redesigned with larger dimensions all around and dramatic fender flares that make the big Benz look aggressive.

S550 models are powered by a 5.5-liter V8 and come with a seven-speed automatic transmission; the 4MATIC adds all-wheel drive. The S600 is powered by a 5.5-liter 3-valve V12 twin-turbo engine connected to a heavy-duty five-speed auto. The federal Gas Guzzler Tax adds $1,000 to the S550, $1,300 to the S550 4MATIC, and $3,000 to the S600. The S63 AMG is powered by a 6.2-liter V8, while the S65 AMG features a 6.0-liter V12.

Summary

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$95,185

“The benchmark for true luxury.”

New Car Test Drive correspondent Jim McCraw filed this report from the Swiss Alps.

Interior Overview

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And it's relatively easy to learn how to operate. We solved all of the mysteries of a complicated luxury car's switch layout and control system without looking in the owner's manual. It's that easy. The COMAND system, located at the center of the dash, is used to operate the radio, telephone, entertainment system, navigation system, and vehicle systems.

The COMAND system uses a large, deeply hooded and high-mounted 16:9 ratio full-color display screen, with a console-mounted knob that twists and pushes to change categories and change settings. Everything is done with the twist-and-push controller that operates like the BMW iDrive or Audi MMI systems, only better. It's far easier to use and understand, even without resorting to reading the manual, and far more intuitive than the BMW and Audi systems. Select the vehicle systems and the display changes to a silhouette drawing of the car where you can customize 10 different settings to your preferences as easily as using a point-and-shoot camera.

The driver's door panel is packed with controls for windows and mirrors, including a folding function, and in this case they fumbled. The switches that select the left or right mirror to be adjusted or folded are so tiny that the average driver will probably hit both at once until he or she is used to it (they each light up with a red jewel to show you which side you're adjusting). The steering wheel makes the audio and other functions easy to use, with a pair of round controls in the spokes that can do up/down and left/right function selection and change, such as radio station, CD or MP3 track, volume, and muting.

Interior environment is controlled by a switch panel at the center of the dash, with four vents and an air conditioning system that is vertically layered and capable of focused, medium, or diffuse air distribution throughout the car, with two zones in front and two in the rear, each with its own controls. Oh, and that thing that looks like a folded-up wood-grained, chrome-edged cellular telephone, on the console just behind the COMAND interface, is exactly that: a telephone dialer.

Another wrinkle is a strip of ambient lighting in the cockpit that starts on the left door, goes all the way across the lower part of the dash, under the wood trim panel, and all the way back on the right door, creating a continuous ribbon of light that can be adjusted through five brightness levels by using the "Vehicle" portion of the COMAND system. A beautiful touch in a beautifully organized, visually exciting interior.

The transmission shifter operates like the one in the M-Class and R-Class SUVs: A tiny stalk on the right side of the column features up, down and in positions for Reverse, Neutral, Drive and Park modes, and all models come with three-mode shifting including Manual, Sport and Comfort shifting using the steering wheel paddles on the reverse side of the spokes, left for downshifts, right for upshifts. While we liked the brushed metallic interior panels very much, we didn't like the chrome tip on the shifter handle, because it's bright and glares like crazy on a sunny day. We prefer the brushed metal finish.

The CD/DVD system loads behind a panel under the environmental controls, and contains a slot for loading a PCM/CIA memory card to an internal hard-drive that will play up to 1,550 songs through the Harmon/Kardon 5.1 Logic 7 600-watt, 14-speaker surround sound system. The system is compatible with Apple iPod. And finally, the clock is placed at the epicenter of the instrument panel so that it's classic analog design that looks like a fine wristwatch, with bright trim and bright hands, can be seen by everyone in the car.

Driving Impression

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“The benchmark for true luxury.”

The AMG lineup starts with the S63 AMG with a 6.2-liter V8 that makes 518 horsepower at 6800 rpm and 465 lb.-ft. of torque at 5200 rpm. The S65 AMG features a 6.0-liter version of the S600's V12 and significantly more power, to the tune of 604 horsepower at 4800 rpm and 738 lb.-ft. of torque at 2000 rpm.

Both five and-seven-speed transmissions upshift and downshift with the speed of a lightning bolt, with no hesitation whatever, regardless of shift mode. The transmission is designed to upshift at redline to protect the engine.

The Airmatic air suspension system is tuned to give a far sportier and yet flatter ride than the previous S-Class could offer. The Adaptive Damping System shock absorbers and the steering effort and feel are also tuned toward the sporty end of the spectrum with no dartiness, just a nice, progressive feel. The Automatic Body Control active suspension option cuts body roll significantly, and you can really feel it working when you throw the car into a fast, sweeping downhill curve like those we experienced on our Swiss-Italian test drive.

The Brake Assist Plus brakes are, in a word, spectacular in their stopping power and stopping distance performance. With this system, the brake lights go to full brightness and pulsate in the event of a panic stop.

It's also quiet. Mercedes-Benz officials say they spent an inordinate amount of time and money using human volunteers on the quiet aspects of the car, and called in some of the experts from the Maybach ultra-luxury car team. There are 170 individual pieces of sound and noise control equipment, including a patented front floor panel that cuts both noise and vibration. At continuous cruising speeds up to 125 mph, the S-Class is very, very quiet.

Model Lineup

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“The benchmark for true luxury.”

Standard features on the S550 include leather upholstery, a navigation system with voice recognition, heated 14-way power front seats with lumbar, heated power mirrors, Harman/Kardon 14-speaker, six-disc audio system with weatherband, satellite radio, front/rear illuminated vanity mirrors, sunroof,. Also standard are active bi-xenon headlamps which illuminate around corners, and cornering fog lamps that illuminate the front corner areas of the car, as well as automatic shock-absorber adjustment and a load/height adjustable suspension. Added for 2009 are heated and active-ventilated front seats, a power trunk lid (that is, last year?s Premium I package), a wood-and-leather steering wheel, and push-pull-style power window switches. Both S550 models ride on 255/45HR18 tires.

The Premium II package ($2,030) adds Parktronic parking assist, a rear-view monitor, and Keyless Go entry and starting. Premium III ($4,990) includes the contents of Premium II plus infrared Night View Assist and Drive Dynamic multi-contoured front seats with massage. Stand-alone options include Distronic Plus cruise control ($2,880), power sunblinds for the rear side windows ($720), a panorama sunroof ($1,050), Active Body Control suspension ($3,960), heated steering wheel ($470), and a power-adjustable and climate-controlled rear seat ($2,950). Additionally, there?s an AMG Sport package with 19 inch wheels, exhaust tips and body moldings ($5,690).

The S600 makes most of this equipment standard; in fact, the only options on the S600 are an iPod integration kit ($425), Bluetooth interface ($300), illuminated door sills ($950), and 19-inch wheels ($1,230).

AMG models include upgraded brakes, sport active suspension, 255/35ZR20 front tires, 275/35ZR20 rear tires, heated/ventilated and massaging front seats with automatic side bolsters, power side shades and trunk closing.

Safety features are unequalled in the class, with all the usual brake and airbag technology and Pre-Safe accident-readiness equipment made standard. Brake Assist Plus is fully integrated with Parktronic and Distronic, respectively the radar-controlled parking and distance-controlling cruise control systems. The system has two forward-facing radar systems, and can apply the brakes at any speed from zero up to about 125 mph and bring the car to a full stop without driver input. In addition to closing the sunroof, windows and repositioning the seat in the event of an impending collision, PreSafe also has air chambers in the backs of the multi-contour bucket seats that inflate to add support to the upper body in case of a rear-ender.

Night View Assist uses infrared headlamps and a tiny camera to project clear, sharp images of what's ahead of the car at night. The picture is displayed in the space normally occupied by the speedometer and tachometer, which change to bar graphs underneath the night vision display when it's activated. Unlike thermal systems, the Mercedes system uses a sharper display that can operate unaffected by temperature extremes.

Walk Around

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“The benchmark for true luxury.”

The 2009 Mercedes-Benz S-Class has not changed substantially since the current generation was launched for the 2007 model year.

The S-Class design features exaggerated fender flares front and rear, an upright grille, headlamps and tail lamps, the latter with thick body-colored horizontal bars running through them and tied together by a lower body molding. The decklid opening is not contained within the rear fenders, but instead extends out to the side of the body, with a distinctly raised position that looks a bit like the rear end of a 7 Series BMW. That was done for exactly the same aerodynamic reasons as on the BMW, to give the air rushing over the long, long roof panel a good place to separate cleanly from the body without excessive drag. A side benefit is a huge trunk opening for easy loading.

To keep weight down, the hood, decklid, door skins, and much of the door interiors are made of aluminum alloys, while the main body shell is made of high-strength steel.

A wide variety of wheel designs and sizes is available to suit each model, with a number of optional wheel and tire combinations. New for 2009 are the S550?s 18-inch rims with seven twin spokes, replacing last year?s nine-single-spoke motif. Nineteen-inch wheels are optional, with either nine double spokes or (as part of the AMG package) a star-like five spokes; both come with 255/40R19 front and 275/40R19 rear tires. The S600 starts with a beautiful five-spoke 18-inch alloy wheel with 255/45R18 front and 275/45R18 rear tires; a new 19-inch nine-twin-spoke alloy wheel is available for the staggered 255/40-275/40 tire combination. Those looking for a more aggressive style may wish to add the optional AMG Sport package and get the big AMG wheels, a revised front bumper with lower intakes and lamps, a restyled rear bumper, exaggerated side sills, and twin dual-outlet chrome exhaust tips.