Ergonomic vehicle seats that optimally adapt to the body are the dream of any driver who spends several hours behind the wheel of a van or light truck every day. They envy the trend that has been evident in the passenger vehicle segment for some time: Seats with a solid framework and a backrest of sufficient height, various adjustment possibilities for optimal adaptation of the seat and therefore a comfortable sitting position, making longer drives bearable. Yet the requirements for a good seat in a van or light truck are virtually identical. The elevated sitting position demands somewhat different settings, but the requirements for the adjustment possibilities are the same.
Light commercial vehicles such as vans or light trucks are true all-rounders and steadily gaining popularity. Their reputation of usefulness is well deserved. Thanks to their spaciousness, they offer solutions for a wide variety of transport tasks. The problem is that, as the number of vehicles increases, so does the number of people sitting behind a steering wheel – not necessarily in a back-friendly position. Sitting incorrectly for hours has consequences for your health. The list of possible impairments is long, ranging from back pain to tense muscles, neck complaints, fatigue and discomfort in the legs to should pain, difficulty concentrating and headaches. Tradespeople, construction workers, parcel delivery drivers and couriers are also affected. They too have to cover many kilometres daily in their jobs to get to their customers or changing work sites.
Yet there is a solution to this problem, since the automobile industry meanwhile offers back-friendly seats for vans and light trucks as well. They meet all ergonomic requirements. Firm seat padding is important to support the body and for anatomically correct sitting. The shape of the backrest plays a crucial role as well. An S-shape like that of the spine itself should be apparent when viewed from the side. That is not only back friendly but also makes for a much safer driving experience. A four-way lordosis support is especially important. This is an inflatable bulge in the area of the lower spine, which is adjustable forwards and backwards as well as up and down. That is important since all people are different and everyone needs individual support. Movement is also important for back health, even when sitting down. Naturally, standing up on occasion is not possible in a vehicle, unlike in the office. But even small changes to the sitting position provide relief. Slightly adjusting the four-way lordosis support and backrest angle makes this possible on long trips. A power-adjustable backrest is ideal.
Normal headrests or headrests integrated into the upholstery may be found in commercial vehicles, depending on the vehicle type and options. Both have to be sufficiently high to ensure safe positioning at the back of the head. The distance between the headrest and back of the head should not exceed three centimetres. A separate seat suspension enhances the driver’s comfort considerably. It cushions impacts, for example due to bumps in the road or on construction sites.
Individual seat height adjustment is another key requirement for ergonomic driving in a van or light truck. Orthopaedists and anatomists know: The closer the seat is to being horizontal, the better the pelvis position and alignment of the spine. What’s more, optimal sitting is only possible if the seat angle is adjustable for ideal thigh support. Seat depth adjustment ensures that the thigh is almost entirely supported, even for tall drivers, optimising the distribution of sitting pressure. If you have ever sat in an ergonomic vehicle seat, you know to appreciate it.
Seat heating, a ventilation system and climate-friendly upholstery materials on vehicle seats are also beneficial. They can make driving much more comfortable, especially over longer distances. A driver who feels good is fitter and safer on the road. Excessive perspiration while driving is also a danger for the back. If you are sweaty when you get out of your vehicle, draughts can quickly chill your lower back. That leads to tense muscles and an elevated risk of lumbago.
Volkswagen Commercial Vehicles
Daimler AG
Daimler Customer Assistance Center N.V.
Postbox 1456
6201 BL Maastricht
NETHERLANDS
Phone 00800/17 77 77 77
Fax +49 69/95 30 72 55
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www.mercedes-benz.com
Ford Motor Company Limited
Arterial Road, Laindon, Essex, SS15 6EE
ENGLAND
Phone +49221/99992999
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www.ford.co.uk
MAN Truck & Bus SE
Dachauer Str. 667
80995 München
GERMANY
Phone +49 89/15800
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www.man.eu
Volkswagen Commercial Vehicles
30419 Hannover
GERMANY
Phone +49 1802/865 579 243 6
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www.volkswagen-commercial-vehicles.com
Besides poor ergonomic quality of car seats, another frequent cause for backache and tension when driving the car is the wrong sitting posture. For an orthopaedically correct sitting posture, the car seat has to be carefully adjusted. In turn, this means it needs to have the characteristics and functions detailed above.
Check all the settings again in the same order. Then the seat will fit correctly.