Brabus E V12 Cabriolet

Brabus has expanded its E V12 family to include the Cabriolet, and the result is the world’s fastest four-seat convertible.

Based on the Mercedes-Benz E-Class, the heart of the conversion is a biturbo 6.3 litre (384 cu. in.) V12 engine. With a reprogrammed engine control unit, four intercoolers and a stainless steel exhaust system, it produces 788 PS (588 kW / 800 PS) at 5,500 rpm.



Peak torque meanwhile is a staggering 1,420 Nm (1,047 lb/ft), which is more than even the Bugatti Veyron manages. However, Brabus has decided to electronically limit it to ‘just’ 1,100 Nm (811 lb/ft) in the E V12, as that’s probably the limit of what the specially strengthened five-speed automatic transmission could reasonably be expected to handle.



Unsurprisingly, such outputs result in brutal acceleration. The 0-62 mph (100 km/h) time is 3.7 seconds, 0-124 mph (200 km/h) is over in just 9.9 seconds, and 0-186 mph (300 km/h) takes 23.9 seconds.



Depending on the final drive ratio, the claimed top speed can be as high as 231 mph (370 km/h). Presumably attempting that kind of velocity with the roof up doesn’t result in the car’s fabric hood being ripped off by the wind blast…

To cope with the extra performance, Brabus has also upgraded the chassis. Coil-over suspension co-developed with Bilstein is fitted, and it features adjustable dampers and ride height. To improve handling and high speed stability, the 19” wheels sit on widened tracks, and the bodywork front and rear has been suitably widened to accommodate them.



Stopping is taken care of by Brabus’ own braking system, which comprises vented and grooved steel discs with aluminium calipers.



The Brabus E V12 Cabriolet is build-to-order only, with prices starting at €478,000.



That’s around £420,000 or US$669,000 at today’s exchange rates, an amount which in the UK would buy seven examples of the standard Mercedes-Benz E 500 Cabriolet.



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2012 BMW M5 revealed

BMW has taken the wraps off its new M5 which, unsurprisingly, is virtually identical to the Concept M5 that was seen at April’s Shanghai motor show.

As was revealed then, the 2012 F10 M5 gets a 4.4 litre twin-turbo V8 instead of the 5.0 litre normally-aspirated V10 unit that powered its E60 M5 predecessor.



With Twin Scroll turbo technology and Valvetronic variable valve control, the new engine generates 552 bhp (412 kW / 560 PS). Peak torque is a substantial 680 Nm (502 lb/ft), which crucially is available from just 1,500 rpm.



Although there have been rumours that North American variants might get a manual transmission, for now drive to the rear wheels is via a seven-speed M Double Clutch Transmission. This comes with various driver aids including low-speed assistance, traction-optimised automatic gear selection and launch control.

The result of all that is a zero to 62 mph (100 km/h) time of 4.4 seconds. Top speed is limited to 155 mph (250 km/h), although this rises to 190 mph (305 km/h) with the M Driver’s Package. Don’t expect it to take too long for an aftermarket tuner to crack the magic 200 mph (321 km/h) barrier.



Even the M5 benefits from BMW’s Efficient Dynamics programme, and the new model arrives complete with fuel-saving devices such as a stop-start function and brake energy regeneration. They undoubtedly help to achieve a fairly respectable combined cycle fuel consumption figure of 28.5 mpg (9.9 l/100km) and CO2 emissions of 232 g/km.

To put those figures into perspective, the Mercedes-Benz E 63 AMG Saloon is down on power compared to the BMW, making do with 517 bhp (386 kW / 525 PS) and 630 Nm (464 lb/ft). That deficit isn’t really reflected in the performance figures though, as 0-62 mph (100 km/h) takes 4.5 seconds and the AMG has the same limited top speed as the M5. However, economy is where the Mercedes really loses out, as it manages only 22.4 mpg (12.6 l/100km) with CO2 emissions of 295 g/km.



The new M5’s chassis features specially recalibrated suspension with Dynamic Damper Control, DSC stability control with M Dynamic Mode, M Servotronic steering and an Active M Differential for the rear axle which is there to maximise traction.



Naturally, being an M5, the driver gets the opportunity to fiddle with a multitude of settings before the car even turns a wheel. For instance, there’s the gearshift program, steering response, traction control mode, accelerator sensitivity and dynamic damper firmness to choose. To help simplify things a little though, two set-ups can be memorised and then recalled using the steering wheel-mounted M Drive buttons.

Available from November 2011, the UK price for the new BMW M5 has been set at £73,040 on the road. By a very strange coincidence, that just undercuts the E 63 AMG Saloon, which costs £73,465.



Cheaper than both though, and a slightly left-field alternative, is the £71,950 Alpina B5 Bi-Turbo.



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‘60 Years Unimog’ concept

Mercedes-Benz Special Trucks has unveiled a unique concept to celebrate the 60th anniversary of the first Unimog, which rolled off the production line in Gaggenau on 3rd June 1951.

Based on the current U 5000 model, the ‘60 Years Unimog’ has an open cab just like the original. The lurid green colour scheme is apparently inspired by the poison dart frog, while the Unimog’s trademark coil springs have been painted a contrasting shade of red. Aluminium trim on the exposed chassis and huge five-spoke ‘alu-rim’ wheels complete the visual effect.



Unfortunately the ‘60 Years Unimog’ isn’t a prototype for a production model, but Bertrand Janssen from Daimler’s commercial vehicle department stated: "On no account did we work in an atmosphere where our ideas were divorced from reality. Here we have a vehicle which is puristic, but still clearly true to concept - with the claim that some of its details will turn up in coming product ranges in future. We continued to take up the most important Unimog features which have characterised the vehicle for the last 60 years and which will also characterise it in future - features such as portal axles, coil springs or the frame concept."

2012 SLS AMG Roadster

Mercedes-Benz has unveiled the 2012 SLS AMG Roadster.

Featuring an automatic, three-layer fabric roof that can be raised or lowered in eleven seconds, it’s claimed that the Roadster will weigh just 40 kg (88 lbs) more than the existing coupé version. That’s despite the extra chassis strengthening that has been needed to compensate for the lack of a solid roof.



Such a small increase in bulk means that performance remains pretty much the same as the coupé manages. The Roadster will accelerate to 62 mph (100 km/h) from rest in 3.8 seconds and go on to a limited top speed of 196 mph (317 km/h), thanks to its 6,208 cc V8 which produces 563 bhp (420 kW / 571 PS) and 650 Nm (479 lb/ft) of torque.

Visually, the transition from coupé has worked well (just avoid the brown paint), although of course the Roadster misses out on the theatre of those gullwing doors.



The 2012 Mercedes-Benz SLS AMG Roadster will be launched during autumn 2011, with UK sales due to begin in November. Prices for the UK and US have yet to be confirmed, but in Germany it will cost €195,160 (including 19% VAT).



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