Engine
Configuration: 90º V 8
Location: Front, longitudinally mounted
Construction: aluminium block and head
Displacement: 5.461 liter / 333.3 cu in
Bore / Stroke: 98.0 mm (3.9 in) / 90.5 mm (3.6 in)
Compression: 10.7:1
Valvetrain: 4 valves / cylinder, DOHC
Fuel feed: Fuel Injection
Aspiration: Naturally Aspirated
Drivetrain
Gearbox: 7 speed Automatic
Drive: Rear wheel drive
Dimensions
Length / Width / Height: 4698 mm (185 in) / 1786 mm (70.3 in) / 1402 mm (55.2 in)
Performance figures
Power: 388 bhp / 289 KW @ 6000 rpm
Torque: 530 Nm / 391 ft lbs @ 2800 rpm
BHP/Liter: 71 bhp / liter
The highly appealing and emotionally charged Cabriolet is the latest addition to the successful Mercedes-Benz E-Class line-up. The open-top two-door model, which goes on sale on 11 January 2010, features a classic fabric soft top, making for a stylistically pure cabriolet feeling. Viewed from the side, the new model is an intriguing proposition - with its clear proportions and a flawless cabriolet silhouette.
In keeping with the motto "four seasons, four personalities", all-year-round suitability was right at the top of the developers' list of priorities. With the new E‑Class Cabriolet, the cabriolet season lasts the whole year because, while many cabriolets tend to disappear from the roads of Western Europe in the autumn, the Mercedes-Benz E-Class Cabriolet (length/breadth/height: 4698/1786/1402 mm) provides driving pleasure and comfort whether the roof is open or closed.
The soft top can be opened and closed fully automatically within 20 seconds - even when driving at speeds of up to 40 km/h. The cabriolet roof is stowed in a special compartment behind the rear panel. A retractable cover separates the soft top compartment from the boot area; it must be closed in order to close the soft top. If the roof is to remain closed, the cover can be slid rearwards, in which case the boot capacity is increased by 90 litres to 390 litres. A through-loading feature is included as standard for the new Cabriolet, as is EASY-ENTRY - a manually operated entry and exit aid for the rear passengers.
The powerplants for the new E-Class Cabriolet are equally innovative: the new direct-injection diesel and petrol models combine efficiency with effortlessly superior power delivery. The exemplary, low fuel consumption has not only been achieved because of the new engines, but also with a number of practical measures. These include on-demand activation of the steering and fuel pumps, the use of tyres with low rolling resistance and an alternator control system which takes account of the current driving situation and the vehicle's electrical power requirements, plus the crucial factor of outstanding aerodynamics. The Cabriolet's cd figure of 0.28 is the best in its class, marking a continuation of the E-Class success story in the field of aerodynamics.
In 1989, Mercedes-Benz introduced a world premiere in the shape of a draught-stop for the SL model series, followed in 2004 by the AIRSCARF neck-level heating system to further enhance comfort in open-top models. Now comes another world-first: the AIRCAP automatic draught-stop, which can be activated at the push of a button, greatly reduces turbulence in the interior of the new Mercedes E-Class Cabriolet, creating a sea of warm air. It is also much easier to implement and use than conventional draught-stops: there is no tricky installation, the two individual rear seats remain free and the Cabriolet's flowing side lines remain uninterrupted. AIRCAP is therefore a classic Mercedes innovation: functional, comfort-enhancing, elegant and safe.
As well as enhancing occupant comfort and wellbeing, the reduction in draught when AIRCAP is activated (it can be activated at speeds of up to 160 km/h and remains in use right up to the car's top speed) reduces the interior noise level - so passengers in all seats find it far easier to communicate.
The Cabriolet Comfort package includes AIRCAP with AIRSCARF. This patented system functions like an invisible scarf, which warms the occupants' head and neck areas. AIRSCARF is integrated into the backrests of the front seats and provides warm air through outlets in the head restraints.
The Mercedes engineers have modified this unique innovation specifically for the E-Class Cabriolet: in this model, an adjustment wheel pivots the outlet nozzle upwards and downwards by a total of 36 degrees over and above the head restraint height adjustment, meaning that the driver and front passenger can enjoy the unique neck-level heating regardless of how short or tall they are.
The new Cabriolet offers the wealth of safety innovations one would expect from a Mercedes model. Highlights of the open-top two-door model include roll-over protection, the A-pillars reinforced by two additional tubes and the plug-in B‑pillars. This new model is also the first Mercedes cabriolet to feature headbags.
The roll-over protection consists of two robust bars, each with a diameter of 35 mm, which are housed in the rear head restraints in modules behind the rear seat backrests. A tilting cone sensor detects imminent danger to the occupants based on extreme skidding movements or acceleration caused by impact. If this sensor then sends a corresponding signal, pre-tensioned pressure springs are activated by pyrotechnic means, i.e. extremely quickly.
In March 2009 Mercedes-Benz embarked on the renewal of the E-Class model family - one year later, with the market launch of the Cabriolet, the portfolio will be complete. A number of technical innovations have been incorporated into the new E-Class which no other car in this class is able to offer - from drowsiness detection to automatic emergency braking when an accident is recognised as imminent, and from Adaptive Highbeam Assist to the active bonnet. The E-Class is one the safest vehicles in its segment, a fact which has also been proven by independent crash tests and the specialist press.
In addition, there is a wide selection of powerful and efficient engines which is set to be systematically extended over the coming months. Depending on model, these range from the innovative E 200 CDI BlueEFFICIENCY producing 100 kW (136 hp) up to the E 500 producing 285 kW (388 hp). There are also AMG versions producing 386 kW (525 hp) and the all-wheel drive system 4MATIC. Exemplary aerodynamics are yet another feature of the model range: with a drag coefficient (Cd) of 0.25, the saloon is the most aerodynamically efficient four-door car in the world, while the model range's Coupé achieves the best overall figure for a series-production car with a Cd figure of just 0.24.
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