Mercedes-Benz SL 65 AMG revealed
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22nd March, 2012
Following on from the recent European launch of the SL 63 AMG, the top
eight-cylinder model, Mercedes-Benz has now revealed the SL 65 AMG roadster. The AMG 6.0-litre V12 "biturbo"
(twin-turbocharged) engine develops a maximum output of 463 kW (630 hp) and maximum torque of 1,000 newton metres. The
result: exceptional performance, impressive power delivery and effortlessly superior dynamics. As with the SLS AMG super
sports car, the use of an all-aluminium body shell results in a drastic reduction in weight. The new SL 65 AMG is some
170 kilogrammes lighter than before. The expressive front section is dominated by the new "twin blade" radiator grille
and the front apron's lower cross strut in high-sheen chrome.
"The combination of exclusive V12 dynamic performance and a refined roadster driving experience was already the
defining attribute of the predecessor model. We are convinced that, with the new SL 65 AMG, we have developed an
incomparably exciting high-performance vehicle for the small, but loyal community of fans", says Ola Källenius, CEO
of Mercedes-AMG GmbH.
An important aspect of the new model is the intelligent lightweight construction which also contributes to reducing
the fuel consumption. At 11.6 litres per 100 kilometres (NEDC combined) it represents a saving of 2.4 litres or 17 per
cent compared with the previous SL 65 AMG and simultaneously establishes a new benchmark in the twelve-cylinder petrol
engine segment. A major role in the reduced fuel consumption figures is played by the AMG SPEEDSHIFT PLUS 7G-TRONIC
transmission, the ECO start/stop-function, in-engine measures to optimise efficiency and alternator management. Despite
the significantly reduced fuel consumption, the maximum output of the AMG V12 6-litre biturbo engine is up from 450 kW
(612 hp) to 463 kW (630 hp). The maximum torque is 1,000 newton metres.
The unrivalled performance figures of the new SL 65 AMG translate into an exceptional driving experience: acceleration
from 0 to 100 km/h takes 4 seconds with the 200 km/h mark attained after just 11.8 seconds. The top speed is 250 km/h
(electronically limited). As well as offering stunning acceleration, the AMG twelve-cylinder biturbo engine impresses
with its smooth running characteristics and its distinctive AMG V12 sound. It is a performance that reconciles effortless
superiority and stylishness to perfection.
The key data at a glance:
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SL 65 AMG |
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Displacement |
5,980 cc |
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Bore x stroke |
82.6 x 93.0 mm |
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Compression ratio |
9.0:1 |
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Output |
463 kW(630 hp) at 4,800-5,400 rpm |
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Max. torque |
1,000 Nm at 2,300-4,300 rpm |
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Vehicle weight acc. to EC |
1,950 kg |
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Fuel consumption, NEDC combined |
11.6 l/100 km |
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CO2 emissions |
270 g/km |
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Acceleration 0-100 km/h |
4.0 seconds |
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Top speed (electronically limited) |
250 km/h |
AMG 6-litre V12 biturbo engine with new technology
The AMG 6-litre V12 biturbo engine with the designation M 279 is based on the M 275 engine used previously and has
been comprehensively revised for the new SL 65 AMG. New exhaust gas turbochargers with an increased spiral cross-section,
new manifolds and wastegate ducts with optimised flow characteristics increase the engine output by 13 kW (18 hp). The
multi-spark ignition with twelve double ignition coils not only results in smoother running, but also enables even more
effective combustion in combination with a new engine management system with higher performance and optimised cylinder
heads. The resulting reduction in exhaust emissions is also due to a large extent to the optimised catalytic converter
system. The newly developed AMG sports exhaust system, which has a pipe layout with enhanced flow characteristics, is 3.2
kilogrammes lighter as a result of a reduction in the wall thickness.
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But it is not just the inner qualities of the AMG 6-litre V12 biturbo engine that impress. The power plant's looks are
as inspiring as its performance: the high-quality carbon-fibre and aluminium engine cover reflects the exceptional
character of the powerful twelve-cylinder unit.
New: AMG SPEEDSHIFT PLUS 7G-TRONIC
For the first time AMG has combined the 6-litre V12 biturbo engine with the AMG SPEEDSHIFT PLUS 7G-TRONIC. The
seven-speed automatic transmission with its wide gear ratio spread enables a significantly lower engine speed and helps
to reduce fuel consumption. A new fuel economy torque converter, bearings designed for reduced friction loss and the
transmission-oil thermal management system are responsible for a further increase in the efficiency of the power
transmission system.
The AMG SPEEDSHIFT PLUS 7G-TRONIC has four different driving modes – Controlled Efficiency (C), Sport (S), Sport plus
(S+) and Manual (M) – which can be selected at the push of a button on the centre console. In "C" mode the ECO start/stop
function is permanently active. The compelling, dynamic character of the driving experience is made all the more vivid by
the automatic double-declutching function during downshifts and through the brief, precisely defined interruption of
ignition and fuel injection during upshifts under full load; the latter functionality has the additional benefit of
reducing the shift times.
Intelligent lightweight construction with all-aluminium body shell and carbon fibre
Compared with the predecessor model's steel design, the all-aluminium body shell of the new SL 65 AMG delivers a
significant weight saving of around 110 kilogrammes as well as superior rigidity, safety and comfort. Intelligent
lightweight construction also means that the components have been optimised in line with their specific purpose. Various
types of processing are used for the aluminium components, for instance, which are produced as permanent mould castings
or vacuum die castings before being processed into extruded sections or used in the form of sheet aluminium with varying
wall thicknesses. The result is high rigidity, high safety and improved vibration characteristics. For the cover behind
the tank, the designers use even lighter magnesium material in certain areas. High-strength steel tubes are integrated
into the A-pillars for safety reasons.
The boot lid helps to further trim the weight. For the first time on a volume-produced model, the inner support is
made from lightweight carbon-fibre composite. The extremely rigid carbon-fibre component is bonded to the plastic outer
shell, resulting in a weight saving of five kilogrammes compared with a conventional boot lid – an innovative solution
that is being pioneered with the AMG SL models. This raft of innovative lightweight-design measures means that, at an EC
kerb weight of 1,950 kilogrammes, the new SL 65 AMG is 170 kilogrammes lighter than the model it replaces.
AMG sports suspension based on Active Body Control
Mercedes-AMG also makes systematic use of lightweight construction principles for the suspension. The steering
knuckles and spring links of the 4-link front suspension and almost all of the multi-link independent rear suspension
components are made of aluminium. Both the vehicle's handling agility and the response of the spring and damper
components are enhanced by the reduction in unsprung masses. Like the predecessor model, the new Mercedes-Benz SL 65 AMG
is equipped as standard with the ABC active suspension system. The AMG sports suspension based on Active Body Control
fitted in the eight-cylinder SL 63 AMG has been enhanced and its set-up optimised for this new top-of-the-range
model.
Driving dynamics and performance were the key objectives during the design, development and testing phases. It is
possible to choose between two suspension settings at the touch of a button: distinctly sporty characteristics with
reduced roll angles and firm body damping ("Sport") or a mode for high comfort on long journeys ("Comfort"). More
negative camber on both axles and fully revised elastokinematics result in greater agility and faster cornering
speeds.
New electromechanical AMG speed-sensitive sports steering
Equipped with the newly developed electro-mechanical AMG speed-sensitive sports steering, the V12 top model impresses
with high dynamic qualities and eloquent feedback at the critical limits. The steering has a constant, more direct ratio
and variable power assistance which adjusts in line with the suspension mode. Further standard equipment includes 3-stage
ESP®, a speciality exclusive to AMG with "SPORT Handling" mode for particularly keen drivers, and an AMG rear axle
differential which helps ensure that the phenomenal engine output is put down on the road as effectively as possible.
All the qualities expected of an AMG high-performance braking system – excellent deceleration characteristics, optimum
sensitivity and high resistance to fading – are delivered to perfection by the newly developed brake system of the SL 65
AMG. It features 390 x 36 mm compound discs with six-piston fixed callipers at the front and 360 x 26 mm integral discs
with single-piston sliding callipers at the rear. An electric parking brake is fitted as standard. Red-painted callipers,
as well as the even more powerful weight-optimised AMG ceramic high-performance compound brake system as seen on the SLS
AMG, are available from the AMG Performance Studio as options.
New AMG brand face with two blade-like louvres
The new Mercedes-Benz SL 65 AMG lives up to its stylish and exclusive high-performance roadster claim not only with
its engineering but through its looks, too. The SL 65 AMG is the first model to feature the new AMG brand face. The two
elements which dominate the form – the radiator grille and the lower cooling air intake – are retained but in
reinterpreted form which gives them a more distinctive identity in terms of dynamism and the sense of perceived value
they convey. The central styling feature is the new "twin blade" radiator grille in high-sheen chrome. The Mercedes star
is mounted on two blade-like louvres whose profile recalls that of an aircraft wing. The more pronounced V-shape of the
radiator grille optimises the longitudinal proportions of the vehicle and so adds even greater visual emphasis to the
attributes of aerodynamics and purism.
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Below the "twin blade" radiator grille, the stylised "A", a characteristic feature of AMG vehicles, is retained. A gap
formed below a fine black fin at the lower edge of the cooling air opening allows an optimum airflow over the cooling
modules – a perfect combination of aesthetics and high technology. The lower cross strut in the front apron is finished
in high-sheen chrome and is given a perceived sense of depth by the gap above it – a distinctive note which adds the
perfect finishing touch to the front of the vehicle. The "twin blade" radiator grille and lower cross strut are the two
complementary styling elements which underline the new AMG brand face – a look which will be picked up by the styling of
future AMG models and so further increase the recognition value of the AMG performance brand.
The V12 top model is distinguished from the SL 63 AMG through the strategic use of high-sheen chrome highlights: along
with the "twin blade" radiator grille and the lower cross strut, the surrounds of the special AMG daytime running lamps
as well as the fins on the bonnet and the side of the guards have the same finish. Further characteristic AMG styling
cues to be found on the SL 65 AMG include the front apron with large openings for the engine oil, water, charge air and
transmission oil coolers, the specially shaped side sill panels, the AMG spoiler lip and the diffuser-look rear apron
with a vehicle-colour insert.
In addition to the two special chromed twin tailpipes of the AMG sports exhaust system, the characteristic V12
features include the "V12 BITURBO" legend on the front mudguards and the AMG 5-spoke light-alloy wheels painted in
titanium grey with a high-sheen finish and equipped with 255/35 R 19 and 285/30 R 19 tyres at front and rear
respectively. AMG multi-spoke forged light-alloy wheels from the AMG Performance Studio with 255/35 R 19 front tyres and
285/30 R 20 rear tyres reduce the unsprung masses. The forged wheels are also available in matt black with a high-sheen
rim flange.
Vario-roof: MAGIC SKY CONTROL as an option
The sixth-generation SL retains the electrohydraulically operated vario-roof which can be retracted to save space,
enabling the SL 65 AMG to be transformed into a roadster or a coupé, as the mood takes the driver and depending on the
weather, in under 20 seconds. In contrast to the predecessor model, there are two versions to choose from for the new SL:
the panoramic vario-roof or the unique panoramic vario-roof with MAGIC SKY CONTROL. The transparency of the latter can be
switched to light or dark at the push of a button.
Interior: a feast for all the senses
Inside, too, the Mercedes-Benz SL 65 AMG has exclusive design and equipment features which differentiate it from the
eight-cylinder model. The electrically adjustable AMG sports seats with single or two-tone upholstery in Exclusive nappa
leather with a special AMG diamond pattern are a particular highlight. This distinctive upholstery is also to be found on
the door centre panels. Embossed AMG emblems on the seat backrests are standard, as are AIRSCARF neck-level heating,
multicontour functionality, seat memory and climatised seats. The designo headlining in leather with partial AMG V12
diamond-design quilting provides the perfect visual and tactile finishing touch.
The design of the cabib recalls the SLS AMG: the four air vents styled like jet engines, the E-SELECT lever and the
AMG DRIVE UNIT are all reminiscent of the super sports car's styling. Highlights include the AMG carbon-fibre trim
elements, the IWC-design analogue clock, the chromed AMG door sill panels illuminated in white and the AMG Performance
steering wheel which is embellished by an AMG logo in the lower metal insert. A speedometer calibrated to 360 km/h in the
AMG instrument cluster and the AMG start-up display with an exclusive AMG V12 BITURBO animation hint at the exceptionally
dynamic performance of the SL 65 AMG.
The twelve-cylinder roadster has exclusive and comprehensive equipment and appointments to meet just about every
requirement (selection):
• AIRSCARF
• Active Parking Assist incl. PARKTRONIC
• ATTENTION ASSIST
• Bang & Olufsen BeoSound AMG high-end surround sound system
• COMAND Online with 6-disc DVD changer
• Anti-theft alarm system
• Frontbass
• Remote-unlocking boot lid incl. power closing for boot lid
• Intelligent Light System ILS
• KEYLESS-GO Convenience package (incl. remote-closing boot lid and HANDS-FREE ACCESS system)
• Convenience telephony
• MAGIC VISION CONTROL
• NECK-PRO head restraints
• Panoramic vario-roof
• PRE-SAFE® system
• Door power closing
• Automatic, pop-up roll-over bars for driver and passenger
Even more individuality is possible with optional extras from the AMG Performance Studio:
- AMG forged light-alloy wheels
- AMG forged light-alloy wheels, painted matt black, rim flange with a high-sheen finish
- AMG ceramic high-performance compound brake system
- AMG Exterior Carbon package (cross strut in front apron, exterior mirror housings and spoiler lip in genuine carbon
fibre)
- AMG Performance Media with telemetry function
- AMG Performance steering wheel in nappa leather/DINAMICA microfibre
- Brake callipers, painted red
The designo range for the Mercedes-Benz SL 65 AMG, available ex-factory, offers a wealth of tailor-made options to
cater for practically any requirement. As well as being able to choose between designo magno cashmere white and designo
magno alanite grey matt paintwork or designo mocha black and designo graphite metallic paintwork, customers can also opt
for an expressive designo zircon red paint finish. There is a range of Exclusive designo leather appointments in eight
attractive colours to match these paint finishes. All rounded off perfectly by a choice of designo trim, headlining and
seat-belt options.
One of the world's safest roadsters
A crash-optimised aluminium structure, standard-fit PRE-SAFE® system and assistance systems on a par with those of the
S-Class make the SL one of the world's safest roadsters. The rigid aluminium body shell forms a robust occupant
compartment as well as precisely defined deformation zones at the front and rear. If the vehicle rolls over, A-pillars
made from a steel-aluminium material mix and two automatic roll-over bars help to protect the occupants.
The restraint systems, including two-stage driver and passenger airbags, have been further enhanced. A headbag covers
much of the side head-impact area. An additional thorax airbag in the backrest can protect the upper body in the event of
a side impact. Further new standard features for the SL include the Mercedes-Benz-developed NECK-PRO crash-responsive
head restraints. An active bonnet and a front end with a large, yielding impact area help ensure pedestrian protection.
The Australian and New Zealand market launch of the new Mercedes-Benz SL 65 AMG will take place in early 2013.
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