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2006-08-22 New luxury coupé offers wellness on wheels
The technology behind the new Mercedes-Benz CL-Class - Integral seats with massage function and ventilation



Stuttgart, Aug 21, 2006
With individually adaptable backrest and cushion contours, active ventilation and an innovative massage function, the integral seats of the new Mercedes-Benz CL-Class increase the personal well-being of the occupants on long journeys. The seal of approval by an independent jury representing the AGR - “Aktion Gesunder Rücken” (healthy back campaign) - a German organisation which tests products for spine-friendly design, confirms the high quality of the newly developed multi-contour seat and its health-promoting effects.
The front seats of the CL-Class are designed as integral seats. All the components of the seat belt system are mounted directly on the seat: the inertia-reel mechanism with belt force limiter, automatic comfort-fit, belt buckle and the upper reversing point for the belt. This ensures that the seat belt is in the best possible position for any seat adjustment, and can therefore carry out its protective function to best effect. Accordingly the seats are important components of the occupant protection system. Thanks to robust seat rails of extruded aluminium sections and their sophisticated, weight-optimised welded construction using high-strength steel, they are able to withstand even the most extreme forces during a crash.

Even the newly developed standard 12-way seat provides the driver and front passenger with first-class comfort. The fore-and-aft position, backrest and cushion angle, seat height, head restraint and seat cushion depth are electrically adjustable - independently and variably, so that each occupant is able to choose the best individual seating position. This also applies to comfort and support for the lower back, as pneumatic lumbar supports are also standard equipment for the front seats. These enable the driver and front passenger to adapt the backrest contours to their own anatomy, relieving stress on the back muscles.

The technical construction of the newly developed seats for the CL-Class meets the traditionally high standards of quality maintained by the Mercedes-Benz brand in this area. This means sinus springs with a polyurethane foam pad in the seat cushion and Pullmaflex suspension padding with a breathable natural fibre/rubberised mat in the backrest.

A pleasant airflow: Active seat ventilation even more effective

The seat development specialists at Mercedes are concerned not only with traditional comfort characteristics such as the springs and padding, but also with the all-round well-being of the car’s occupants. The materials and structure of a Mercedes seat must ensure comfort in all weather and temperature conditions. This is ensured by breathable materials and the high-quality leather upholstery used for CL-Class seats.

Even more climatic comfort is provided by actively ventilated luxury seats, which are standard equipment in the CL 600. Miniature fans in the seat cushion and backrest take in cool air at floor level and evenly distribute this via an air-permeable fabric under the surface of the seat. This gentle airflow ensures that the occupants remain cool and comfortable even at high outside temperatures.

Specialists have now improved this technology even further. The heated, actively ventilated luxury seats in the new CL-Class are equipped with even more efficient fan controllers, which regulate likewise improved mini-fans in the seat cushion (4) and backrest (2) of each front seat. The upholstery materials have also been modified to improve the efficiency of the heating and ventilation functions even further. The heating elements are now located directly beneath the seat covers.

Made-to-measure comfort: New multi-contour seat with nine air chambers

Like active seat ventilation, the multi-contour seat is a very successful Mercedes invention which greatly contributes to the high level of long-distance comfort in cars bearing the Mercedes star. Multi-contour means that the occupants are able to adapt the contours of the seat to their individual anatomical or comfort requirements. This is made possible by air chambers within the seat padding.

A new-generation multi-contour seat is used in the CL-Class. This has even more functions - and therefore provides even greater comfort. While the previous multi-contour seat featured seven air chambers, the driver and front passenger are now able to adjust four zones in their seats with the help of nine air chambers. These are:


the two side bolsters of the seat cushion;
the lumbar support, which is also height-adjustable;
the two side bolsters of the seat backrest;
the shoulder support.
Thanks to new piezo valves, the pneumatics of the multi-contour system operate even more quietly and precisely than before. Moreover, the valves are now in a decentralised configuration and therefore respond more rapidly, which means that for the first time, the multi-contour seats can also be integrated into the PRE-SAFE® preventative occupant protection system: if PRE-SAFE® detects the risk of a collision, it inflates the air chambers in the side bolsters of the seat cushions and backrests as a precaution. These cushions envelop the occupants and support them, increasing the distance to the interior door panels during an accident. This enables the sidebag to provide even more protection.

The driver and front passenger seats with multi-contour function have been awarded the AGR seal of approval.

Rapid piezo valves for lateral support tailored to the driving situation

Customers can enjoy the ultimate in seat comfort by specifying the dynamic variant of the multi-contour seat for the new CL-Class. The new, decentralised piezo valves for the air chambers noticeably improve the dynamic function of the multi-contour seat by responding more rapidly to steering movements. The pressure and volume of the side air chambers in the seat backrests are adjusted in a matter of seconds according to the steering angle, lateral acceleration and speed of the car in order to offer the driver and front passenger even better lateral support. This happens according to the driving situation. The system inflates the air chambers on the right side of the backrest more strongly when negotiating a left-hand bend, for example, while inflating the air chambers on the left when a right-hand bend is taken. This dynamic, two-stage multi-contour function relieves stress on the muscles and thus promotes physical well-being.

Separate air chambers for a relaxing back massage

The massage function for the dynamic multi-contour seat is also a completely new development by Mercedes specialists. It no longer makes use of the air chambers with which the seat contours are adjusted, but rather a separate package of air chambers integrated into the seat padding. This means that the individual comfort settings are retained.

A micro-computer controls the seven separate massage air chambers, inflating and emptying the air chambers according to a fixed programme, which passengers in the new CL-Class perceive as a pleasant, pulsing motion across the entire back. This stimulates the muscles, improves the circulation and helps to prevent early fatigue.

The massage programme lasts for five minutes and can be restarted at any time once the cycle has finished. The intensity and speed of the massage function can also be individually adjusted in four settings, from “slow and gentle” to “fast and powerful”.

www.500sec.com

Stuttgart, Aug 28, 2006

A newly developed parking guidance system is making its series production debut in the Mercedes-Benz CL-Class this autumn. The system uses radar technology to help the driver find a suitable parking space and park the vehicle.
When driving past at a speed of up to around 40 km/h, side-mounted radar sensors in the front and rear bumpers of the new luxury coupé measure whether the parking spaces on the driver and front passenger sides are sufficiently large for the vehicle. Once the system has found a suitable parking space on the front passenger side, a blue "P" symbol appears in the instrument cluster if the vehicle speed is below 16 km/h. Parking spaces on the driver’s side are shown if the indicator on that side is operated.



Once the driver has stopped the coupé in the position shown on the display and engaged reverse gear, the display shows a symbolic, bird’s-eye-view representation of the parking situation. Coloured guide lines show the driver how best to park: a red line indicates the current steering angle, while a yellow line shows the steering angle required for parking. The driver now turns the steering wheel until the two lines coincide, and can then begin to reverse slowly. As soon as the ideal and actual steering angles coincide, the guide lines on the display change to green. When reversing, an acoustic signal informs the driver when it is time to countersteer.

During the parking manoeuvre, the guidance system continuously monitors the steering angle and vehicle position. If the driver stops before reaching the recommended position, for example, the system automatically recalculates the ideal steering angle for smooth parking.

The new radar-based parking guidance system, which will be optionally available for the CL-Class from the end of 2006, works in tandem with the Parking Assist feature familiar from the S-Class. This system uses radar to measure the distance to obstacles in front of and behind the car, informing the driver by means of the display and an intermittent acoustic warning.

2006-09-06 Active Body Control:
The technology behind the new Mercedes-Benz CL-Class: Active Body Control: New Mercedes coupé comes with the very best chassis technology as standard



Stuttgart, Sep 04, 2006
With Active Body Control (ABC), the new Mercedes-Benz CL-Class features a milestone development in advanced chassis technology as standard equipment. Mercedes engineers have now further enhanced the system, which adjusts the suspension to the driving situation within a fraction of a second. As a result, ABC is now even better, providing superior handling while also ensuring a high level of comfort.
When it introduced Active Body Control (ABC) in 1999, Mercedes-Benz reorganised the alphabet of chassis technology. The innovative system, which entered series production in the predecessor of the CL-Class after 20 years of research and development, is the solution to the traditional problem associated with the tuning of a passenger car chassis: should wheel vibrations caused by the road surface be kept to a minimum by a sporty, stiff shock absorber configuration, or should the damping be made more comfortable and soft at the expense of handling safety and performance?

Thanks to Active Body Control, this conflict of aims is a thing of the past; the suspension configuration is automatically adapted to suit the current driving situation. A high level of comfort is accompanied by dynamic performance - or vice versa.

To this end, the four spring struts are equipped with microprocessor-controlled plunger cylinders which almost completely compensate yawing, pitching and rolling movements of the vehicle body. The computer receives information about the relevant driving situation from the various acceleration sensors, then compares this with the data from the pressure sensors in the spring struts and the level sensors in the steering control arms. The ABC system translates this information into control signals, which are implemented as precisely metered oil flows by hydraulic servo-valves on the front and rear axles. When oil flows into the plunger cylinders, these adjust the tracing point of the steel springs integrated into the spring struts, generating the forces necessary to counteract movements of the vehicle body.

Under pressure: body is stabilised within fractions of a second

Owing to the constantly available hydraulic pressure of up to 200 bar, ABC is able to stabilise the vehicle body practically immediately - within a fraction of a second. The system operates in the vibration range of up to five hertz, the range which causes pitching and rolling movements on uneven road surfaces, side-roll on bends and the typical body dive experienced during braking. Higher-frequency vibrations and wheel damping are the responsibility of passive twin-tube gas-pressure shock absorbers, which can be configured for excellent comfort.

Mercedes-Benz has enhanced Active Body Control for the new CL-Class and made it even better. Each component has been reworked. The specialists have now arranged various components into groups, in order to improve the control functions with shorter connecting lines and reduce the installation space required.

Body roll reduced by up to 45 per cent when cornering at speed

The major advantage of second-generation Active Body Control, however, is its greater efficiency in reducing body movements to correspond to the driving situation. This is where the Mercedes coupé advances into new dimensions of handling - while simultaneously offering greater comfort that every driver will immediately notice. The body roll angle, for example, is reduced during a dynamic driving manoeuvre by more than 45 per cent - from the previous value of 2.2 to 1.2 degrees. When cornering at speed - for example when leaving a motorway - this second-generation ABC suspension reduces the roll angle to just 0.7 degrees.

Other special features of Active Body Control include variable anti-roll control between the front and rear axles, which the system carries out automatically in accordance with the vehicle’s speed. The system also takes the vehicle load into account: on the basis of the plunger and spring travel, the ABC computer calculates the actual vehicle weight and takes it into consideration for the active control function.

At the touch of a button: individual suspension and transmission characteristics

In addition the new CL-Class features an S/C/M button in the centre console with which the driver is able to modify the overall characteristics of the coupé from “comfortable” to “sporty”:

Comfort: In this mode the automatic transmission changes the gears at lower engine speeds, and the CL coupé moves off in second gear. The ABC suspension operates in Comfort mode, comfortably smoothing out uneven road surfaces and bumps.
Sport: The automatic transmission makes full use of the engine speed range in this setting. The ABC suspension operates in Sport mode as well, with a stiffer damping effect on uneven surfaces and bumps. The characteristic map of the accelerator is also modified, so that the engine responds more rapidly when acceleration is required.
Manual: The automatic transmission is operated manually using gearshift buttons on the steering wheel, with significantly reduced gearshift times compared to the Sport mode. The suspension configuration selected by Active Body Control is the same as in Sport mode, as is the characteristic map of the accelerator.
If the CL-Class is travelling on poor roads which make a higher ground clearance advisable, the driver is able to raise the suspension by 45 millimetres at the touch of a button. When travelling at high speed in Sport mode, ABC automatically lowers the suspension by up to ten millimetres to reduce aerodynamic drag and lower the fuel consumption.

www.500sec.com

Mercedes-Benz CL 63 AMG premiere in Paris (no 30.09 lidz 15.10.2006)

Mercedes-Benz is presenting a broad cross-section of product firsts and technical innovations at this year`s Paris Motor Show. Exclusive high-performance models such as the CL 63 AMG and the Mercedes-Benz SLR McLaren 722 Edition super sports car are celebrating their world premiere here.



pilns raksts
http://www.tuningnews.net/news/060914/m ... 63-amg.php

http://video.google.com/videoplay?docid ... +600&hl=en

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