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Home >> Mercedes Benz >> 2012 >> CL65 >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Climate Control -- Basic Knowledge -- E350 (211.256)) >> Basic Knowledge >> Expansion valve, location/task/design/function - GF83.40-P-2123P

Expansion valve, location/task/design/function - GF83.40-P-2123P

WARNING: This page is about a different car, the 2009 Mercedes-Benz E350 and 2008 Mercedes-Benz E350. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 203.0 /2 /7 with CODE (580) Air conditioning (or Tempmatic for USA) with CODE (580) Automatic air conditioning with CODE (581) Automatic air conditioning with CODE (581) Comfort automatic air conditioning up to Model Year 8 

MODEL 209.3 /4 

MODEL 211.0 /2 /6 

Shown on model 203 

Fig 1: Locating Expansion Valve
G07283545Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Expansion valve, position The expansion valve (5) is located in the left rear of the engine compartment.  
Expansion valve, task The expansion valve (5) sprays liquid refrigerant into the evaporator. There the ambient air is cooled down to approx. 1.5°C and conveyed to the AC housing. The quantity injected is dependent here on the pressure and temperature of the flowing refrigerant.  
Expansion valve, design   GF83.40-P-2123-03P 
Expansion valve, function   GF83.40-P-2123-01P