ML 55 AMG (163.174) V8-5.5L (113.981) (2001)
Expansion Valve: Description and Operation
GF83.40-P-2123-02GH Expansion Valve, Location
GF83.40-P-2123-02GH Expansion Valve, Location
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with CODE (580) Air conditioning or Tempmatic for USA [MODELS 163 up to 31.8.01]
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with CODE (580a) Automatic air conditioning [MODELS 163 as of 1.9.01]
The expansion valve (1) is located on the right at the rear in the engine compartment next to the battery.