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Safely on the road.
The new Tourismo

Safely on the road.

Most accidents begin long before the impact. For example, with poor visibility or unforeseeable hazards. This is why the Tourismo is equipped with a number of safety features that help master critical driving situations.

Starting with the ergonomic driver's workplace. The driver can comfortably reach all controls and has a perfect view of all the instruments. The wide-angle exterior mirrors guarantee more safety through better all-round vision.

While on the move electronic assistants support the driver. The anti-lock braking system (ABS) minimises the risk of the wheels locking when braking. The electronic-pneumatic brake control (EBS) significantly shortens the stopping distance, as the brakes are actuated faster and more precisely. The Acceleration Skid Control (ASR) system provides additional safety. It helps the driver to minimise the risk of the rear of the vehicle (rear-wheel drive) breaking out laterally when accelerating.

ABS, EBS and ASR form the basis for further developed electronic safety systems such as the Electronic Stability Program (ESP®) or the Brake Assist System (BAS), with which the Tourismo is also equipped.

Active Brake Assist 4 (ABA 4) and the Advanced Emergency Braking System (AEBS) warn the driver of a collision with an obstacle and automatically brake the bus if necessary, independently of the operation of the autonomous intelligent cruise control system (ART). To this end, the radar-controlled system constantly scans an area of up to 250 metres of the lane ahead of the bus.

ABA 4 is the world's first system of its kind to also react to pedestrians. Thus, in addition to vehicles in front and stationary obstacles (e.g. the end of a tailback), the system detects pedestrians at a distance of up to 80 metres. For example, if the distance to pedestrians decreases dangerously, the system first alerts the driver with visual and audible warning signals and simultaneously initiates partial braking down to a complete standstill, should the driver fail to react. The partial application of the brakes gives the driver the possibility to avoid a collision by means of a full application of the brakes or by taking evasive action to avoid the obstacle. In addition, the driver can warn endangered pedestrians in good time by sounding the horn.

The autonomous intelligent cruise control* system (ART) relieves the burden on the driver on arterial routes and motorways. If ART detects a slower-moving vehicle ahead, it automatically decelerates the coach until a distance preselected by the driver is reached. ART then constantly maintains this distance. For this purpose, a distance sensor scans the surroundings in front of the bus every 50 milliseconds. It uses three radar beams to measure the distance and relative speed of vehicles ahead up to a maximum distance of 200 m. 

ART measures the relative speed with an accuracy of 0.7 km/h. If no vehicle is detected ahead, it operates like a cruise control. Autonomous intelligent cruise control assists the driver, especially in medium to heavy traffic on main roads, and largely eliminates the need for adaptive braking. Deceleration is limited to approx. 20 % of the maximum braking force.

The distance set via ART is speed-dependent and can be specified as a percentage ratio of the speedometer reading. In the default setting, for example, ART sets a distance of about 60 % of the speedometer reading difference. From this setting, the driver can adjust the desired distance upwards or downwards in defined steps. 

The heart of ART is a distance radar mounted in the centre of the vehicle. It constantly switches back and forth between the three radar beams. These are emitted by the system and are directed such that the lanes are monitored to the left, right and centre in the direction of travel.

The AEBS emergency braking system uses a radar system to detect both vehicles travelling ahead and stationary ones. It continuously determines the difference in speed relative to your own vehicle. If the currently driving activity and speed make a collision unavoidable if unchanged, the driver is warned first and the vehicle automatically initiates a partial application of the brakes. If the driver does not react and a collision becomes imminent, the vehicle automatically initiates a full application of the brakes. This can drastically mitigate the consequences of an impact.

In the event of a head-on collision, Front Collision Guard (FCG) offers increased safety in the front section of the vehicle and reliable underride protection by means of a transverse section. Behind the transverse section of the FCG there are crash elements whose absorber structure converts the impact energy into deformation energy if the worst comes to the worst. This significantly reduces the impact consequences for all vehicle occupants. As the driver's workstation – including steering, pedals and seat – is mounted on a solid frame part, this can move completely back in the event of a serious frontal collision and thus better preserve the driver's protected space. The combination of Active Brake Assist 4 and FCG achieves an unprecedented level of safety for drivers and tour guides, but also for passengers. The FCG meets the requirements for underride protection according to ECE-R 93 for the pendulum impact test on buses.

Even the best safety concept is only as good as it works. Regular maintenance is the basis for this. That is why the OMNIplus service programme offers top-level service for your bus and optionally available individual service contracts. 

In order to be as safe as possible on the road, not only the vehicle's safety equipment but also the driver's capabilities are paramount. The OMNIplus safety training courses focus on recognising one's own limits and getting to know the vehicle's behaviour when it reaches the limits in real life situations. 

* Optional equipment.