With Lux-eyes through the night
Tune with the season testing auto motor und sport the current state of lighting technology. Also present: twelve models and the whole program from low halogen headlamps to daylight-like all-LED system.
Anyone who has ever switched from one car with good xenon or LED system to one with a simple halogen light, knows this feeling: it’s as if there in front instead of two light-strong spotlight burn two candles. Both the color and brightness and reach into off against modern headlights. No wonder Xenon systems are now to have been to small cars, while it already towards full LED goes into the upper class. But which technology is really worth it? Auto Motor und Sport has examined twelve systems Hella light and extensive comparison tests intensively.
Halogen light dominates affordable price range
In the cheapest vehicles still dominate the halogen headlights. WhenSandero they are even without alternative. The technology is proven and inexpensive, send the headlights, the light either as the Dacia on reflectors or projection lenses on the road. In general, the light bulbs are easily replaceable, even against lighter retrofit lamps: auto motor und sport tests have shown that as those with a pair price of 30 Euro improve the performance of the headlamp noticeably. This did also the Dacia well: low and high beam light yellowish, patchy, streaky and short range – so gloomy, as if one would be broken by both.
Xenon headlights with extra brightness
Significantly better lighting models with xenon light the roadway. It is not produced like the halogen from a glowing filament, but in the burner of an electric arc between two electrodes.For ignition, a high voltage pulse of up to 25,000 volts is needed, then, the gas heats up in the piston, are to operating temperature and resistance reaches. To achieve full brightness takes several seconds.
Simple versions like thei40 combining a xenon bulb for low beam with a halogen spotlight for the main beam. The problem is the different light color and intensity, which would appear inharmonious placing the main beam of the Hyundai. His pure halogen counterpart therefore seems only marginally worse. When bi-xenon as the Fiat 500 has, is switched by means of a flap in the module between the operating modes. In addition, the offers Fiat still a halogen headlights for high beams. This seems a bit vorfeld stressed there is plenty of light in the area around 20 meters ahead of the car, but achieved a decent range.The low beam acts somewhat yellowish and streaked, with an on hilltops and in curves sometimes annoying hard bright-dark boundary. Basically, an automatic beam leveling and a headlamp cleaning system prescribed in the 35-watt Xenon systems to prevent blinding other.
Despite fewer watts good coverage of the Beetle
Not so with the 25-watt plant of VW Beetle. Meanwhile xenon burner developed 2,000 instead of 3,000 lumens, therefore does not require beam leveling still cleaning system, which saves costs. Nevertheless, his low beam shines bright and surprisingly homogeneous, the high beam with decent range, albeit with a slightly reduced brightness and spread towards good 35-watt systems.
One of these is that of theMokka. Its bi-xenon Adaptivlicht road illumination evenly, offers a solid range and light functions, which adjust to the driving situation. Some of them – such as the pedestrian area light – can be however only guess. Advantage of Mocha: its typical SUV greater installation height of the headlights, which the radiation efficiency improves. Identifiable by Volvo V40, whose lights are mounted twelve centimeters deep. In addition to him bothers shadowing by far early hood – tribute to design and pedestrian protection.
LED provides a lot of light on little space
Also design driven: the trend toward all-LED headlights (LED: Light Emitting Diode). The biggest advantage of the LED is its small footprint relative to the luminous output. So, several LEDs are closely modules, so-called LED arrays, combined systems which require significantly less space than halogen lamps or xenon burner. This makes the lamp not only chic, but allows in future the implementation of complex lighting functions in a confined space. Where now moving diaphragms and rolls governs the future exclusively electronic.More Pro-argument is the so-called color temperature that comes to daylight (6500 K) the next. Beam halogen with about 3,200 and xenon light 4,200 Kelvin, LED create 5,500 Kelvin.However, the propagated lower energy consumption is only partly true. Because what will save the LED by their efficiency goes for electronics and cooling by means of fans it again.
No overly obvious advantage for LED technology
The Audi A7 vented his full-LED units, however, provide a bright, uniform light with a pleasant color, compared to the xenon not superior reach. The range of functions is also limited: even taking into account the adaptive Xenon headlights with maskable High beam Audi navigation data for situation-setting levels for headlamps (at intersections), LED is only capable cornering, highway and an – albeit very good – weather light. The fog light BMW 650i displayed in any case stronger, and also the low beam displeases by his restless distribution in the range up to 20 meters. If you look closely, you can even see the individual light-emitting chips. In the distance, the light is better, the range of the remote light might also be larger with its pleasant luminous tunnel.
When switching to the Lexus GS immediately notice its light color. It arises at the seams of the individual lenses where the light shines in rainbow colors – disturbing in light channel and in practice. On the road, the bright Lexus LED Spotlight imposing, but not as balanced as the complicated mixing system of the Mercedes CLS with projector, reflector and rotary mechanism. He drives not only the high beam gently sliding up, but also provides the most effective adaptation to curves. So the Mercedes brings its relatively harmonious and powerful LED light to the road – and for so scarce Test victory.
Very good light already for 760 Euro
Although the Hyundai-halogen light is functioning properly – who is often in the dark on the road to Bixenon should indulge. As a good and yet cheap solution looks (760 euros), showing the VW Beetle. Also Adaptivlicht the Opel Mokka convinced similar to the masking function in golf Bixenon. Although the full-LED headlights in the superclass rays Daylight brightness, but have at reach and lighting functions backlog compared with the top solutions in xenon.