Mercedes-Benz Antos Technology

Electropneumatic Brake System (EPB)

The Electropneumatic Brake System (EPB), incorporating Anti-lock braking (ABS) and Anti-slip regulation (ASR) is standard across all new Actros models. Controlling the brake system electronically and braking each wheel individually (making the most of available grip and minimising stopping distances), EPB integrates secondary braking, whether Engine Brake or Retarder, to improve safety and reduce wear.

In the event of a hard brake application, the system automatically switches on the hazard warning lights to warn following traffic, providing vital extra seconds to assist in preventing multi-vehicle accidents.

Engine Brake

Standard across all new Actros models, the engine brake uses the engine as a compressor and constant throttle to provide wear-free retardation and helps to improve safety whilst reducing running costs. This is available to the driver in three stages, controlled by the steering column stalk to give full control of the braking power as required. The standard system offers up to 300 kW of braking power*.

In addition, a high performance engine brake can be specified, offering up to 400 kW of braking power** (depending on vehicle specification) thus providing more opportunity to keep the service brakes fresh.

Water Retarder

Available as an option, the secondary water retarder is a wear and maintenance-free auxiliary brake that can be used to perform up to 85% of all braking operations. The retarder uses the water of the engine cooling circuit, which means that there is no need for an additional oil circuit with oil cooler. The heat produced by the system is dissipated via the engine cooling system, whereby the cooling temperature is permanently monitored. 

The secondary water retarder offers a high braking torque in combination with a compact, weight-saving design, around 20 kg lighter than previous oil retarders. The braking power of the retarder is also independent of selected gear or current engine speed. A gear change does not result in any interruption in the retarder braking action and the retarder braking power depends only on the current driving speed. 

The braking power can be controlled precisely in five stages using the right-hand control stalk on the steering column, and combines with the standard engine brake to provide a maximum braking torque of up to 3,560 Nm.

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