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Home >> Mercedes Benz >> 2004 >> CL500 >> Repair and Diagnosis >> General Information >> OEM General Information >> Emergency Equipment - 215 & 220 Chassis >> Testing & Repair >> Remove/install fire extinguishing system control unit - AR86.10-P-0101MB >> Self-test for fire extinguishing system - AR86.10-P-0101-01MB

Self-test for fire extinguishing system - AR86.10-P-0101-01MB

  1. Switch on ignition and turn ignition key to position "2".

    IMPORTANT Activation button (2) and triggering button (1) in fire extinguishing system manual activation switch (S62/23) illuminate for 10 seconds and then go out.

    If activation button (2) and triggering button (1) are no longer illuminated and the warning buzzer does not sound, the fire extinguishing system is ready for function

    If the warning buzzer sounds and the activation button (2) and triggering button (1) continue to illuminate, the fire extinguishing system is not ready for function

  2. Switch off ignition.
    Fig 1: Identifying Fire Extinguishing System Manual Activation Switch
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