mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Remove and Install Heat Exchanger|Page 2240 > < Remove and Install Heat Exchanger
Page 1
background image

Heater Core: Service and Repair
Remove and Install Rear Heat Exchanger

Pressure in cooling system

Release, by turning the radiator cap up to detent "1" and close again.

Vehicle

Raise.

Panelling behind front right-hand side member

Remove (6 screws).

Supply and return hoses (c and d)

Loosen, pull off hoses and drain coolant, blow out residual fluid with compressed air, seal openings.

Control unit 

Remove. See: Heating and Air Conditioning/Control Assembly/Service and Repair

Center console 

Remove. See: Body and Frame/Interior Moulding / Trim/Console/Service and Repair

Plug connections N29/21 X 1, B10/11 X 1

Disconnect.

Heat exchanger temperature sensors B10/9 and B10/10 

Remove.

Electrical harness in area of rear air conditioner 

Expose.

Evaporator temperature sensor B10/11

Remove.

Blower housing

Remove and Install Heat Exchanger|Page 2240 > < Remove and Install Heat Exchanger