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Home >> Mercedes Benz >> 2009 >> E350 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control -- Basic Knowledge -- E350 (211.256) >> Basic Knowledge >> Heating water circulation pump, location/task/function - GF83.20-P-2109T

Heating water circulation pump, location/task/function - GF83.20-P-2109T

MODELS 211.0/2/6 

Shown on model 211.0 

Fig 1: Locating Coolant Circulation Pump
G07286061Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Coolant circulation pump, position The coolant circulation pump (M13) is located at the right front in the engine compartment.  
Heating water circulation pump task Maintenance of a constant flow of hot water through the heat exchanger, even at low engine speeds.
Recirculation of coolant during residual engine heat or stationary heater mode (if fitted).
 
Heating water circulation pump, function   GF83.20-P-2102-01T