Driving
126
ENGINE BRAKE
The engine brake is primarily intended for prolonged braking, for example when
decelerating from high speed on a level road or when driving downhill. This reduces
service brake wear.
The engine brake is activated by operating steering wheel switch (C).
NOTE
-The engine cannot be switched off with the engine brake.
-To save the service brakes and to prevent the engine brake valve from
becoming stuck, it is wise to regularly use the engine brake.
The braking effect decreases as the engine speed falls.
The most appropriate area of use for the engine brake is in the blue area of the
revolution counter. The engine brake delivers the highest braking effect in this area.
When using the engine brake, adjust the gear selection so that the engine speed
remains in the most favourable range. In case of an AS Tronic Lite gearbox, gear
selection is automatic.
The engine brake is automatically switched off when:
- the engine speed drops below 1000 rpm.
- the ABS/ASR system has established a tendency for the wheels to lock.
- the accelerator pedal is depressed.
- the vehicle speed control or engine speed control has been activated.
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