Engine Brake
m2+ d 14.01.003
The engine brake is controlled by the lever position, as shown in Fig.Engine Brake Positions. At the top position, the engine brake is off, and at the three lower positions, the engine brake is on and the intensity (low, medium, high) increases with each step down.
Engine Brake Positions

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Off
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Low
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Medium
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High
Note: Using the engine brake with cruise control can be used to activate Descent Control Mode or Deceleration Mode. For more information, see "Cruise Control", see General Description, Standard Adaptive Cruise Control.