The Good
The 2011 SLS AMG boasts thrilling performance from its powerful V8, coupled with an unmistakably iconic design and luxurious interior appointments. Emotionally, it's a head-turner with an intoxicating exhaust note. Practically, its robust AMG engineering offers surprising reliability for a supercar, and its limited production run ensures strong long-term value and collectibility, appealing to savvy investors as much as passionate drivers.
The Bad
Potential weaknesses for the 2011 SLS AMG include its notoriously poor fuel efficiency and extremely high running costs for maintenance, parts, and specialized service. The ride can be firm for some, and its limited practicality with minimal storage space makes it less suitable for daily driving. Complex electronics might also pose long-term issues.
2011 Mercedes-Benz SLS-Class AMG: Quick Overview
- Engine: Hand-built AMG M159 6.2-liter (6,208 cc) naturally aspirated V8 engine. This engine is a masterpiece of engineering, known for its responsiveness and distinctive sound profile.
- Horsepower: 563 hp (571 PS) at 6,800 rpm. This power output ensures exhilarating acceleration and a top speed electronically limited to 197 mph (317 km/h).
- Torque: 479 lb-ft (650 Nm) at 4,750 rpm. The strong torque delivery provides robust pulling power across the rev range.
- Fuel Economy (EPA Estimated):
- City: 13 MPG
- Highway: 19 MPG
- Combined: 14 MPG
This reflects the high-performance nature of the engine and its focus on power over efficiency.
- 0-60 MPH Acceleration: Approximately 3.7 seconds. This blistering acceleration puts it squarely in supercar territory, delivering an instant rush of speed.
- Transmission: AMG SPEEDSHIFT DCT 7-speed dual-clutch transmission, rear-mounted (transaxle) for optimal weight distribution. It offers lightning-fast shifts and multiple driving modes, including a manual paddle-shift option.
- Towing Capacity: Not applicable. As a high-performance sports car, the SLS AMG is not designed or rated for towing.
- Trim-Level Features (Standard for 2011 SLS AMG Coupe):
- Distinctive gullwing doors that open upwards.
- Full leather interior (e.g., designo leather options).
- AMG performance steering wheel with aluminum shift paddles.
- AMG Ride Control sport suspension with three modes (Comfort, Sport, Sport Plus).
- AMG high-performance braking system (composite brakes).
- COMAND infotainment system with navigation, 6-disc CD/DVD changer, and satellite radio.
- Harman Kardon Logic7 surround sound system.
- Bluetooth connectivity and Media Interface (iPod/USB).
- Heated, power-adjustable sport seats with memory function.
- Bi-xenon headlights with LED daytime running lights.
- Automatic climate control.
- Keyless GO (keyless entry and start).
- PARKTRONIC parking sensors.
- 19-inch front and 20-inch rear AMG light-alloy wheels.
2011 Mercedes-Benz SLS-Class AMG Specifications
Vehicle History Report
What Problems Does the 2011 Mercedes-Benz SLS-Class AMG Have?
The AMG SPEEDSHIFT DCT 7-speed dual-clutch transmission, while exceptional in performance, requires meticulous maintenance. Some owners have reported instances of rough shifting or hesitation if the transmission fluid and filter services are not performed precisely according to the demanding schedule, or if the unit experiences unusual wear. Premature wear on clutch packs can also occur under aggressive driving conditions, leading to costly repairs.
Regarding engine reliability, the M159 6.2-liter V8 is largely considered a strong and durable unit, especially when well-maintained. However, being a high-revving, high-output engine, it can exhibit higher-than-average oil consumption, which isn't necessarily a "problem" but requires regular monitoring. Issues like minor oil leaks or failing accessory components (e.g., alternators, power steering pumps) can also crop up over time.
Recalls for the 2011 SLS AMG have been relatively few compared to mass-market vehicles. Common industry-wide recalls, such as those related to Takata airbags, may affect certain units depending on the production batch. It's always crucial for prospective buyers to check the NHTSA database using the specific VIN to confirm any outstanding recalls. Other potential recalls for luxury cars of this period could involve fuel pump modules or minor software updates, but none are widely noted as catastrophic.
Long-term reliability concerns typically center on the availability and cost of specialized parts, the aging of complex hydraulic systems (particularly for the gullwing doors, though these are generally solid), and the increasing difficulty of finding technicians proficient in servicing such an exclusive vehicle outside of authorized Mercedes-AMG dealerships. Maintaining an exotic car like the SLS AMG means committing to significant preventative maintenance costs to avoid major issues down the line.
How long will the 2011 Mercedes-Benz SLS-Class AMG last?
What Technology & Safety Features are Included?
Driver-assistance features were more limited by 2011 standards but included essential aids like PARKTRONIC ultrasonic parking sensors, which assisted drivers in maneuvering the wide vehicle into tight spaces. A rearview camera was also available, significantly improving visibility when reversing. Advanced driver-assistance systems found in modern cars, such as adaptive cruise control or lane-keeping assist, were not prevalent in supercars of this vintage.
In terms of safety, the SLS AMG was well-equipped, incorporating Mercedes-Benz's renowned safety engineering. Standard features included multiple airbags, such as dual-stage front airbags, side airbags for head and thorax protection, and knee airbags for both driver and passenger. Electronic stability program (ESP), anti-lock braking system (ABS), and Brake Assist were standard to help maintain control in adverse conditions. Mercedes-Benz's PRE-SAFE system, which pre-tensions seatbelts and closes windows if an impending collision is detected, was also a significant safety inclusion.
Optional features allowed for further personalization and performance enhancement. These included highly sought-after carbon ceramic brakes for superior stopping power and reduced unsprung weight, various carbon fiber exterior and interior trim packages for a sportier look, and upgraded designo leather interior options for enhanced luxury. The AMG Performance Media system was another exciting option, providing real-time telemetry data like G-forces, lap times, and engine performance metrics.
Crash-test ratings from agencies like NHTSA or IIHS are typically not available for high-cost, low-volume exotic vehicles such as the SLS AMG. These cars are rarely subjected to formal crash testing due to the prohibitive cost and small production numbers.
What Colors Options are Available?
2011 Mercedes-Benz SLS-Class AMG Prices and Market Value
2011 Mercedes-Benz SLS-Class AMG Cost of Ownership
2011 Mercedes-Benz SLS-Class AMG Fuel Efficiency
2011 Mercedes-Benz SLS-Class AMG Insurance
reasonable repair costs.
How Does the 2011 Mercedes-Benz SLS-Class AMG Compare to Other Vehicle?
In terms of Performance, the SLS AMG's naturally aspirated 6.2L V8, with 563 hp and a 0-60 mph time of 3.7 seconds, put it squarely in contention. The Ferrari 458 Italia (562 hp, 3.4s) offered slightly quicker acceleration and a more visceral, track-focused experience, while the Lamborghini Gallardo LP 560-4 (552 hp, 3.7s) matched its pace with all-wheel drive stability. The Porsche 911 Turbo S (530 hp, 3.1s) was a straight-line acceleration king with its twin-turbo flat-six, and the Aston Martin V12 Vantage (510 hp, 4.2s) emphasized grand touring and elegant power delivery. The SLS offered a unique "muscle car" supercar feel.
Regarding Features, the SLS AMG blended supercar performance with Mercedes-Benz luxury. Its COMAND infotainment, Harman Kardon audio, and comfortable, leather-clad interior were generally more refined and user-friendly than the Ferrari or Lamborghini, which prioritized raw driving. The Porsche offered a more subdued but highly functional cabin, while the Aston Martin exuded traditional British craftsmanship.
Reliability for all these exotic machines demands diligent and expensive maintenance. The SLS AMG's M159 engine is robust, but its DCT transmission, like those in many rivals, requires specific care. Ferrari and Lamborghini maintenance can be notoriously high, while Porsche generally has a slight edge in everyday usability and comparatively lower (though still high) running costs. All are complex, high-performance machines with corresponding maintenance demands.
When it comes to Price, the SLS AMG's new MSRP of around $183,000 was competitive. Today, its used market value has appreciated considerably, often surpassing its original price, making it a better investment than many rivals that experienced more significant depreciation before stabilizing. The Ferrari 458 Italia and Lamborghini Gallardo have also held strong values, while some 997 Turbo S models and V12 Vantages might be found at a slightly lower entry point.
For alternatives, if "better" means a more modern driving experience and technology, a used Mercedes-AMG GT (its spiritual successor) could be considered. For pure collector's value and iconic status, few match the SLS, though a restored Mercedes-Benz 300 SL would be the ultimate classic comparison. If performance and a slightly more "everyday" supercar are desired, a high-spec Audi R8 V10 or a McLaren MP4-12C could be compelling alternatives.
Final Verdict: Is the 2011 Mercedes-Benz SLS-Class AMG a Good Vehicle?
Given its appreciation, it is absolutely worth buying for the right individual as a used vehicle, as new models are long gone. It represents a solid investment due to its limited production and unique characteristics. Buyers should focus on low-mileage examples with an impeccable, documented service history, ideally from an authorized AMG specialist. A pre-purchase inspection by an expert is non-negotiable. While all SLS models are desirable, specific trims like the rare Black Series command even higher premiums and are more collectible. Be prepared for substantial long-term ownership costs.