2010 Paris Motor Show: 2011 Infiniti M35h

Article by Christian A., on September 30, 2010

2011 Infiniti M35h, the first hybrid sedan from the manufacturer, made its debut at the Paris Motor Show. Deliveries in Europe are slated to begin next spring. Infiniti, a Japanese luxury car brand, said that it will reveal the technical details and figures of the M35h, dubbed “the driver’s hybrid,” during the auto show.

The 3.5-litre petrol V6 produces 225 kW (306 PS) and 350 Nm of torque at 5000 rpm. The electric motor is rated at 50 kW (68 PS) and gives high torque from zero rpm, peaking at 270 Nm at only 1000 rpm. The acceleration time of the 2011 M35h to get from zero to 100 km/h (62 mph) is less than 5.9 seconds.

The vehicle has an electronically limited top speed of 250 km/h (155 mph). The M35h is rated to have a combined fuel consumption of 7.3 l/100km (38.6 mpg), while its CO2 emissions figure is less than 170 g/k.

But take note that all of these figures are still subject to final homologation. The M35h will be offered in base and luxury GT forms. The top-of-the-line GT Premium model will be fully equipped as standard.

The M35h is able to run on electric power alone on a level highway a constant speed of 80 km/h (50 mph). The electric mode can only be used at speeds up to 140 km/h (87 mph).

2011 Infiniti M35h will feature a new steering technology – an electro-hydraulic system with “on-demand” assistance. Meanwhile, the car’s brakes will use the Electric Driven Intelligent Brake system.

According to Infiniti, it will now be able to introduce its saloon lineup to Europe with the M Line, which includes the Infiniti G37. It also takes it to a whole new level not just in terms of interior and exterior design, but even performance on the road. With the Infiniti M, customers will get to see a vehicle that has a rear-wheel drive and features that can only be described as luxurious.

The cabin is not only the best finished and best designed, but with the vehicle having overall length of 4,945 mm, this means that it offers enough space inside. Being considered as the brand’s flagship saloon, it has features that are truly unique to Infiniti. For example, there is the use of flowing lines on the profile which is clearly inspired by the Essence concept car. Customers are also guaranteed on the integrity of the natural materials that have been used and the brand itself promises that owning an M Line will be hassle-free.

The M Line has a number of features that can be considered as the first in the industry and even utilizes the cutting edge Safety Shield technology. This latest offering from Infiniti is also proof that it continues to be committed in coming up with vehicles that have exceptional design while offering a more rewarding drive. This is the latest example of the brand’s Inspired Performance and will be the first ever M model to be made available in the brand’s 34 markets, which includes Western Europe.

There is no doubt that in addition to this performance saloon having a displaying a new style, it clearly is overflowing when it comes to driver appeal, craftsmanship, and passion. Slated to enter the Europe market by 2010, the brand knows it will be facing, for the first time, the traditional executive car hierarchy. Sales in this particular market are expected to begin by September 2010.

However even before the sale in Europe start, Infiniti disclosed that the new M Line will be making its official debut in the U.S. market. Through the M Line, Infiniti hopes that it will serve as the exclusive alternative to other traditional models already in the executive class like the E-Class from Mercedes and the 5-Series from BMW. Infiniti revealed as well that the models that will go on sale in various showrooms across Europe will have the V6 engine in either diesel or petroleum. An advanced petrol-electric hybrid is expected to join the M Line, especially in Europe, by 2011.

Press Release

Infiniti M35h

The "driver's hybrid" from Infiniti, the Infiniti M35h, will introduce world-first steering and braking technologies when it goes on sale in the USA and Europe in 2011. The debut systems have been designed to deliver both environmental benefits and enhanced driving feel, reinforcing strengths already central to the Infiniti M35h with its innovative one motor/two clutch system.

Like the drivetrain, which marries a charismatic V6 petrol engine with 50 kW (68 PS) electric motor built in to the 7-speed automatic transmission, simplicity was a key tenet in the development of the steering and brakes of the high performance luxury sedan.

The steering of the Infiniti M35h is an electro-hydraulic system with "on-demand" assistance. It offers the advantages of both types of steering - the natural and smooth feel of hydraulic power steering and the improved fuel efficiency of an electric system - while the motor cuts in only when the wheel is turned, further boosting efficiency. The system is smaller than traditional power steering set-ups, a feat achieved by integrating multiple parts.

The brakes are similarly designed primarily to suit sports sedan buyers' needs, but at the same time contributing to the lower carbon footprint of the Infiniti M35h, low CO2 champion of Infiniti's all-new M Line sedan line-up.

The engineers looked to the hybrid system itself for the solution. What they came up with - a way to use the vehicle's electric drive motor to operate the brake cylinders - represents another world-first innovation for the Japanese brand.

The system is called Electric Driven Intelligent Brake. When the driver steps on the brake pedal, the necessary braking force is maintained while the hydraulic pressure of the friction brake is controlled to help maximize the energy regeneration of the hybrid motor. Because of its simple structure, in which the motor directly operates the brake cylinders, the Electric Driven Intelligent Brake system has the potential to be a key part of all future Infiniti Direct Response Hybrid vehicles.

The simplicity of these elegant mechanical solutions, with their emphasis on more compactness, lighter weight and fewer parts, is made possible by advanced computerized control.

Another benefit of both the new steering and braking systems is that they work with the innovative drivetrain to enhance the driving experience rather than dilute it in the manner of some hybrid vehicles. Designed to be fast and responsive with a strong sporting bias to the rear-wheel drive handling, the Infiniti M35h aims to deliver an exhilarating drive in all situations.

Central to this is its one motor/two clutch system. The first clutch is installed between the naturally-aspirated 3.5-litre V6 and the electric motor, which is embedded within the automatic transmission. The electronically controlled clutch allows the full decoupling of the V6 when the car is in electric drive and power regeneration modes. Decoupling the V6 reduces mechanical drag and boosts the efficiency of the electric motor.

Aided by an exceptionally fast charge/discharge response from the lithium-ion battery pack, the result is a hybrid that's electrically powered for more of the time, and at higher speeds, than conventional hybrids.

Yet when the driver demands it the Infiniti M35h responds like a true high performance machine, offering the linear acceleration and unsullied rear-drive handling of a true Infiniti - complete with all the charisma of one of the great V6 petrol engines. Like the 7-speed Adaptive Shift Control (ASC) automatic transmission that blips the throttle on downchanges, the new braking and steering technologies are integral to the Infiniti M35h's positioning as the hybrid to please the most demanding of drivers.

Infiniti's first hybrid, the M35h is the low CO2 star of the all-new M Line which also includes petrol and diesel models and which is the first M ever to be sold in all of Infiniti's 34 world markets.

Among the Infiniti M's many other claims to fame are the world-first Blind Spot Intervention (BSI), state-of-the-art Forest Air climate control and Active Noise Control, while comfort and luxury are taken care of with double-piston dampers and the availability of semi-aniline leather in the spacious cabin.

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