OUTLINES THE SENSORS AND FUNCTION THAT CONTROL THE CLIMATECONTROL SYSTEM ON AN E60. INCLUDING THE CONDENSATION / FOG SENSOR.Full description
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Climate Control
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These technical training materials are current as of the date noted on the materials, and may be revised or updated without notice. Always check for revised or updated information. To help avoid personal injury to you or others, and to avoid damage to the vehicle on which you are working, you must always refer to the latest MercedesMercedes- Benz Technical Technical Publication Publication and follow all pertinent instructions instructions when testing, diagnosing diagnosing or making repair. Illustrations and descriptions in this training reference are based on preliminary information and may not correspond to the final US version vehicles. Refer to the official introduction manual and WIS when available. Copyrigh Copyrightt MercedesMercedes- Benz USA, USA, LLC, LLC, 2001 2001
Reproduction by any means or by any information storage and retrieval system or translation in whole or part is not permitted without written authorization authorization from Mercedes- Benz USA, USA, LLC or its successors. successors. Publish Published ed by Merced Mercedeses- Benz USA, LLC Printed in U. S.A. 2
New for the 2002 M-Class • Compressor with almost doubled capacity • AC controls with LED indication • Rear blower control unit with controls for air direction and speed
• Additional rear vents 3
AAC Pushbutton Control Module (N22)
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Blower Control Ring • Left control ring is used to select 11 manuals speeds • The upper button selects front defrost • The lower button selects the recirculation mode • To turn the system off turn the fan dial to “ O “.
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Temperature Control Ring • Center Control Ring is used to select the desired temperature • Desired temperature can be set in the “AUTO” mode • The upper button can be used to program the “Auto” temperature • The lower button is used to shut off the compressor and to select the “Rest” mode 6
Air Distribution Control Ring • The right control ring is used to select the front manual air distribution • The upper button activates the rear defroster • The lower button is used to turn off rear unit
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Rear Blower Control Unit
• The left climate control button selects the rear fan speed • The right button selects air distribution • The center ”Auto” button allows the front control panel to select the fan speed and air distribution
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Air Distribution
Cooling Mode
Heating Mode
Blend mode 9
Air Distribution Groups Main HVAC unit
Upper Instrument Panel Ducting
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Rear Blower Unit Ducting
Consists of: • Ducting • Rear blower motor • Rear blower motor regulator • Rear temperature sensor B10/7 • Rear air flap motor M2/21
Acronyms/ abbreviations abbreviations used in this program: AC - Air Conditioning A1 - Instrument Cluster A9 - AC compressor A32 - Recirculation air unit B10/6 - Evaporator temperature sensor B10/7 - Rear temperature sensor B10/24 - Center nozzle temperature sensor B10/25 - Front footwell temperature sensor B12/2 - Refrigerant pressure/temperature pressure/temperature sensor B14 - Outside temperature sensor B32 - Sun sensor EVAP - evaporator HVAC - Heat, Ventilation, Air Conditioning LED - Light emitting diode M’s - Motors N22 - AC pushbutton control unit N22b1 - In car temperature sensor N29/2 - Rear blower regulator
