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Home >> Mercedes Benz >> 1999 >> S500 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 140 Chassis >> Testing & Repair >> Replacing bulbs on pushbutton control module for air conditioning (automatic) - AR83.40-P-6352 >> Replacing bulbs on pushbutton control module for air conditioning (automatic) - AR83.40-P-6352A

Replacing bulbs on pushbutton control module for air conditioning (automatic) - AR83.40-P-6352A

MODEL 140 with CODE (581a) Automatic air conditioning 

N22 "Bosch" pushbutton control module 

Fig 1: Identifying Bulbs On N22 "Bosch" Pushbutton Control Module
G05440773Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

N22 "Kammerer" pushbutton control module 

Fig 2: Identifying Bulbs On N22 "Kammerer" Pushbutton Control Module
G05440774Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Removal, installation    
1 Remove cover on center console   ra68001400235x
2.1 Remove plug (c) Bosch version  
3 Pull off strip of tape (f)    
4 Remove bulbs (d) IMPORTANT For this purpose slide piece of insulating tubing (dia. 5 mm) over bulb
NOTESInstallation:  After installing the bulb check for proper function		  
5 Reinstall in opposite order    
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