mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Evaporator Temperature Sensor / Switch > < Cabin Temperature Sensor / Switch|Specifications|Page 772
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Compressor Speed Sensor: Service and Repair

Refrigerant compressor

remove, install. See: Heating and Air Conditioning/Compressor HVAC/Service and Repair

Bolts (106 and 107)

screw out, screw in.

Plug connector housing (114)

open and remove both plug pins for speed sensor, insert.

Retaining ring (110)

remove, install.

Speed sensor (L1) 

pull out, install. Renew O-ring (111) and moisten with refrigerant oil.

Charge with refrigerant

allow refrigerant to flow into refrigerant compressor at service valve (arrow) and check refrigerant compressor for leakage with leak detector.

Air conditioning system

evacuate, charge and check for proper function and leakage.

Evaporator Temperature Sensor / Switch > < Cabin Temperature Sensor / Switch|Specifications|Page 772