Overview & Reviews

Easily one of the most recognizable automotive icons of the last half century, the Mercedes-Benz SL-Class has long epitomized elegance and performance in the grand touring coupe/roadster segments. From the early 300SL models of the 1950s to the present-day retractable hardtops, this two-seater has never wavered from offering the best that Mercedes-Benz could offer.

Regardless of what SL vintage you're considering, you can be certain it will have cutting-edge technology and a comfortable cockpit. The downside to packing in all those safety and luxury features is that the SL is rather big and heavy. As such, a Benz SL isn't going to feel nimble in the vein of a pure, elemental sports car. But in terms of comfort, refinement and image, a new or used SL-Class is nearly peerless.

Current Mercedes-Benz SL-Class
The Mercedes-Benz SL lineup consists of three models: SL550, SL63 AMG and SL65 AMG.

The SL550 features a turbocharged 4.7-liter V8 that produces 429 horsepower and 516 pound-feet of torque. Opt for the SL63 and you'll get a turbocharged 5.5-liter V8 good for 530 hp and 590 lb-ft. Meanwhile, the SL65 AMG packs a turbocharged 6.0-liter V12 with 621 hp and 738 lb-ft. All engines send their considerable power to the rear wheels through a seven-speed automatic transmission. The latter is modified in the AMG models to provide quicker, more responsive gearchanges.

It shouldn't be surprising that there is a substantial amount of luxury and numerous high-tech features for the SL-Class. Highlights include heated and ventilated seats, navigation, adaptive cruise control, a rearview camera, a neck-level heating system and a whole suite of media types. And these are just the tip of a very deep iceberg. In addition to their powerhouse engines, the AMG versions also feature specific suspension, steering and brake upgrades, along with several visual enhancements inside and out.

With its sizable dimensions, the SL-Class boasts what could easily be the most accommodating cabin of any two-seat convertible. Drivers taller than 6 feet will fit with sprawling room to spare, and there's even a decent amount of storage space. The trunk is roomy with the top raised and big enough for even large suitcases. You'll have to pack lighter if you want to lower the roof, as it consumes some trunk space when stowed, but the remaining space is still adequate.

As for the roof itself, it remains a novel feature of the SL even if its metal structure and graceful movements are now old hat. Spanning almost the entire width of the car, its panoramic glass portion provides a wonderfully open feel even when the weather dictates you remain indoors. With optional "Magic Sky Control," this glass panel goes from varying degrees of transparent to dark at the touch of a button. Think of a giant, driver-controlled pair of transition sunglasses and you get the idea.

In total, the Mercedes-Benz SL-Class is an innovative, refined and exciting high-end luxury convertible. Those seeking ultimate driving precision and thrills will be better served by one of its more exotic rivals, but for top-down grand touring, it is tough to beat.

Used Mercedes-Benz SL-Class Models
The current-generation Mercedes-Benz SL-Class was introduced for 2013. Once again a retractable-hardtop convertible, it weighs less than its predecessor thanks to extensive use of aluminum construction. The newer SL is also a bigger and more rigid car, which boasts an even larger selection of luxury, convenience and safety goodies than its forebear. Apart from some equipment shuffling and its lacking an analog dash-top clock, these SL models are identical to today's car.

The previous-generation Mercedes-Benz SL was produced from 2003 through 2012; however, a midcycle refresh for '09 means that earlier cars can be differentiated by their less aggressive styling and older generations of Mercedes electronics interfaces. The steering and suspension were also altered at this time for more precise handling.

Regardless of year, this luxury roadster was one of our editors' favorite vehicles of any sort. With a beautifully integrated retractable hardtop that required just the touch of a button to raise or lower, this SL offered the fun of an open roadster along with the security and quiet comfort of a closed coupe. Although it was produced for a very long time by automotive industry standards, this SL's overall desirability never really waned thanks to prudent updates to its equipment, engines and the aforementioned electronics.

Upon this generation's release for 2003, the SL lineup consisted of just the SL500 (5.0-liter V8 with 302 hp), but it was joined by the SL55 AMG a few months later. Besides its 493-hp supercharged V8, the 55 came with AMG-specific suspension, steering, brakes and styling elements.

The V12-powered SL600 (also making 493 hp) debuted in 2004, as did a seven-speed automatic for the SL500. The SL65 AMG bowed the following year and was produced through 2011. It essentially took the many performance upgrades from the V8-powered AMG SL and bolstered it with a 6.0-liter twin-turbo V12 good for 604 hp and 738 lb-ft of torque. Both V12 models featured an older five-speed automatic better able to deal with these models' abundant torque. For 2007, the SL55 and SL600 both received power bumps up to 510, and the SL500 was replaced by the SL550, which featured a 5.5-liter V8 and a much more robust 382 hp.

Besides the wealth of other, previously described changes for 2009, the SL63 supplanted the SL55. The SL63 AMG came with a 6.2-liter V8 good for 518 hp and a new seven-speed automated manual transmission. The hyper, low-volume SL65 AMG Black Series was also produced for this year only. There was no 2010 SL-Class, and the SL600 was discontinued at the same time.

With its effortless performance, adaptive suspension, fast-retracting hardtop and wealth of luxury and safety features, we've found it was easy to fall in love with this generation of the Mercedes-Benz SL-Class. Our complaints are few, centering chiefly on the SL's older version of Mercedes' COMAND interface, which even in its final years used a dash-mounted multidirection button pad rather than the more ergonomic console-mounted knob of newer Benzes. In total, a well-loved used SL-Class should make a wonderful second car, with the same sort of timeless appeal shared with its illustrious predecessors.

The 1990-2002 Mercedes-Benz SL-Class offered six-, eight- and 12-cylinder engine choices. Prior to 1994, the cars were named slightly differently, as the numbers came before the letters. Six-cylinder cars (300SL and SL320) made 228 hp, the 500SL/SL500 offered 322 or 302 hp (depending on the year) and the 600SL/SL600 made 389 hp. The sixes could be matched to either a five-speed manual or five-speed automatic, while the V8 and V12 versions initially came with a four-speed automatic only. (They were upgraded to a five-speed unit in 1996.) Apart from a navigation system, these cars could be had with most any luxury and safety feature, such as dual-zone climate control, integrated cell phone, HID headlights and stability control.

Although this generation of the Mercedes SL offered spirited performance, decent handling and plenty of luxury, the driving dynamics proved disappointing to our staff. The culprits were steering that felt somewhat loose on center, a platform that lacked this marque's typically solid feel (giving rise to interior squeaks) and brakes that, although strong in panic situations, felt mushy in normal use. At the time, we also felt the Benz SL was overpriced compared to other competing luxury roadsters, though depreciation has largely negated this potential drawback.

With a run that lasted 18 model years, the 1972-'89 SL was much simpler, both in terms of the vehicle itself and trim levels, than the ones that followed. This Mercedes-Benz SL was powered by various V8 engines, starting with a 4.5-liter (around 180-200 hp), changing to a 3.8-liter of just 155 hp and then adopting a stout 5.6-liter (227 hp) for the final years. The names of these SLs went from 350SL (only for 1972) to 450SL, 380SL and then 560SL. Although you may see a 500SL advertised, be warned that it's a gray-market car, a European version modified by some unknown shop to meet U.S. emissions and crash standards. For obvious reasons, we recommend you steer clear of a gray-market example.

Enthusiasts interested in older generations will want to explore Edmunds' Model History section for the Mercedes-Benz SL-Class.

User Reviews:

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  All About The Experience - 2004 Mercedes-Benz SL-Class
  By Scott - October 26 - 5:20 am

  I bought the car new and have driven in all types of conditions. It is the most amazing car I have owned and I have owned a lot! It is a sports car, racing car, convertable (Of course), city car, road car, sedate car or beast depending on what you ask it to do. It is stealty because its little brother the Sl500 or SL 550 is common and other drivers assume that is what you are driving until you turn on the speed. What a surprise in their eyes through your rear view mirror! This car is a total experience - fun. Only caution is "it eats tires." If you want performance expect to change them every 5,000 miles or so. Performance not important, why did you buy this car?! I want a Ferrari599F1 next

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  A True German Classic Roadster... - 1997 Mercedes-Benz SL-Class
  By Realtor - October 22 - 4:23 am

  I came across my SL320 after the hurricanes took out my Mercedes ML with a 32 yr old oak tree. I cant say enough good things about this car. The car demands attention, a true head turner. I usually only put about 5k miles per year as a leisure car. This car is a blast, I leave my BMW at home and have racked on the miles-12k. I haved the hardtop stored, and the storage compartments behind the seats accomidate my briefcase. The best feeling to crank the A/C to 60 and drop the top, turn up the Bose system and let my cares fly off with the wind in my hair. Handling is surperb. Power is very impressive, and am thankful I got the 320 over the 500 and 600-with gas at 3bucks+, & lower insurance

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  Still the King - 2005 Mercedes-Benz SL-Class
  By John Heard - October 19 - 3:16 pm

  What a feeling! My nephew said while driving my SL500, "Tts hard not to look smug when youre driving this." Wonderful car. Too many complicated electonic features. I have to wade through five instruction manuals to find what should be a simple procedure. Thank goodness the only option I got was the Keyless Go. The hardtop operation is superb. The rear windscreen takes all the unpleasant blowing out of driving with the top back. Very quiet operation with the top up. Much more trunk room than the Lexus SC430. Dealers will deal on price, even if they deny it publicly.

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  more fun than a roller coaster - 2004 Mercedes-Benz SL-Class
  By mark reynolds - October 11 - 10:00 am

  More on road performance than you could ever need on the open highway. This car performs superbly at high speed. Whether conering or racing down a straight stretch of road this car will amaze you. A luxury ride decieves you as you gaze out the window thinking you are travelling at maybe 2/3 your actual speed. Slowing down is no problem given the braking system on this vehicle. If you want to make your drive as enjoyable as possible you must own this car.

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  none better - 2003 Mercedes-Benz SL-Class
  By tomd - October 3 - 2:00 am

  After owning 9 new Mercedes, in 18 years, I finally bought my first SL. Sell you rfirst born male child if you have to, because driving doesnt get any better than this.

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  Ferocious - 2005 Mercedes-Benz SL-Class
  By xstr8nr - September 12 - 3:03 pm

  I have had the good fortune to own many very fast toys, but this car tops them all, including my 360 Ferrari. It is comfortable, quiet, elegant and ergonomically almost perfect. However, once you trounce the pedal it transforms itself into a raging beast. Cars going at freeway speeds are passed as if they were standing still and the acceleration keeps building and building. Its a little scary and I have track experience. In seconds you are at go to jail without stopping speed. The ultimate power trip.

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  The Best - 2003 Mercedes-Benz SL-Class
  By Driver23 - September 7 - 10:00 am

  Best Car in the Market

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  It doesnt get any better than this - 2007 Mercedes-Benz SL-Class
  By Jake - September 4 - 7:33 am

  This is the best roadster I have ever driven. Ive owned Lexus, Corvette, NSX, BMW, and most recently the 07 Jaguar. The SL 550 is vastly superior to them all. The SL has an incredible combination of sport and luxury. The interior is as nice or nicer than anything out there. The car handles superbly, and yet still has a very comfortable ride. The seats are among the best Ive ever seen. You can easily drive all day without killing your back. The only drawbacks to the SL are the price, poor mileage, and, inexcusably, a very mediocre stereo and outdated NAV. But the superior driving experience more than compensates for these shortfalls. Drive one, its worth the money.

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  Heaven on earth - 2004 Mercedes-Benz SL-Class
  By maverick 15 - August 29 - 10:00 am

  I am 66" tall and always wanted a convertible but could never fit. The SL 500 gives me plenty of room. It took a long time for dealers to realize that tall people love convertables, but it was worth the wait.

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  RATE - 2004 Mercedes-Benz SL-Class
  By NIKKI - July 28 - 2:00 am

  I LOVE MY CAR BUT I WISH I INTERIOR WAS A LITTLE MORE DIFFERENT THEN OTHER MERCEDES AND SOME SPORTY EFFECT ON THE EXTERIOR