LI32.33-P-070817
Service Bulletin Details
Public Details for: LI32.33-P-070817
Complaint - airmatic fault message in instrument cluster - compressor inoperative, 40a compressor fuse possibly triggered. - vehicle level is not adjusted correctly, the vehicle possibly leans at an angle cause moisture in the compress
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AIRMATIC Fault Message In Instrument Cluster Topic number LI32.33-P-070817 Version 3 Function group 32.33 - Ground clearance compensator (NR/ENR) Date 1/9/23 Validity Model series 213 crewbus, without code 489 (AIRMATIC), Model series 213 with code 489 (AIRMATIC) Model series 253 with code 489 (AIRMATIC) Model series 205 with code 489 (AIRMATIC) Reason for change Model series 293 added. Complaint - AIRMATIC fault message in instrument cluster - Compressor inoperative, 40A compressor fuse possibly triggered. - Vehicle level is not adjusted correctly, the vehicle possibly leans at an angle Cause Moisture in the compressor freezes at temperatures below zero and may block the compressor. As a result, the starting current when the compressor starts up is too high. Fuse is triggered Remedy Replace compressor, fuse, and relay. Update software and SCN coding. Please invoice the case using damage code 32671 73. Addition: Unscrew pressure line between compressor and valve block and check for moisture. If there is moisture in the pressure line, it can be assumed that there is also moisture in the AIRMATIC valve block. Replace AIRMATIC valve unit. Blow out pressure line with compressed air. Replace intake hose of compressor. 09.01.2023 16:19:54 © Copyright Mercedes-Benz AG JKANTAR Page 1 / 3 Important: Perform a software update. If new software is not available, always perform SCN coding! Symptoms Chassis/suspension > Suspension characteristic > Lopsided/crooked Chassis/suspension > Suspension characteristic > Under stress at rear axle Chassis/suspension > Suspension/Dampening > Suspension System Function > Vehicle level too low Chassis/suspension > Suspension/Dampening > Suspension System Function > Level does not react Chassis/suspension > Suspension/Dampening > Suspension System Function > Indicator lamp is on Chassis/suspension > Suspension/Dampening > AIRMATIC > Function > Vehicle is too low Chassis/suspension > Suspension/Dampening > AIRMATIC > Display message > Display Defective - Service Required Chassis/suspension > Suspension/Dampening > AIRMATIC > Display message > Air Suspension - Service Required Chassis/suspension > Suspension/Dampening > Electronic level control ENR > Malfunction Chassis/suspension > Suspension/Dampening > Electronic level control ENR > Regulates without obvious cause Chassis/suspension > Axle > Rear axle > Function > Under stress Control unit/fault code Control unit Fault text N51/3 - AIR BODY CONTROL (SPC213) C156213 - Actuation of the compressor has a malfunction. There is an open circuit. C156200 - Actuation of the compressor has a malfunction. _ C155E13 - The pressure relief valve for system pressure has a malfunction. There is an open circuit. C155E1F - The pressure relief valve for system pressure has a malfunction. There is a sporadic fault. C156784 - The left front vehicle level is outside the tolerance. There is a signal below the permissible limit value. C156684 - The left rear vehicle level is outside the tolerance. There is a signal below the permissible limit value. C156984 - The right front vehicle level is outside the tolerance. There is a signal below the permissible limit value. C156884 - The right rear vehicle level is outside the tolerance. There is a signal below the permissible limit value. C156C00 - System 'Compressed air distribution' is leaky. _ C157200 - The correction time when filling is too long. _ 09.01.2023 16:19:54 © Copyright Mercedes-Benz AG JKANTAR Page 2 / 3 C220C04 - There is an internal fault in control unit "Suspension". There is an internal fault. C220C01 - There is an internal fault in control unit "Suspension". There is a general electrical fault. Operation numbers/damage codes Op. no. Operation text 09.01.2023 16:19:54 © Copyright Mercedes-Benz AG Time JKANTAR Damage code Note 32 671 Please code to damage type 73. Page 3 / 3