Removing the heating and air-conditioning unit

Prerequisite

Refrigerant has been drained

Preliminary works

Draw off the AIR CONDITIONING .
Deactivate the 48 v ELECTRICAL SYSTEM .
Disconnect all battery EARTH LEADS .
Remove the rear passenger compartment air conditioning CONTROL PANEL (integrated automatic heating/air conditioning system with 4-zone control).
Remove the rear ventilation GRILLE .
Remove the rear ventilation GRILLE (air conditioning with 4-zone control).
Remove the rear center CONSOLE TRIM .
Remove the center armrest STORAGE COMPARTMENT .
Remove the center ARMREST .
Remove the front storage compartment TRIM .
Remove the center CONSOLE TRIM .
Remove CUPHOLDER .
Remove the pedal mechanism TRIM PANEL .
Remove the right footwell TRIM .
Remove the center CONSOLE .
Remove the right instrument panel SIDE PANEL .
Remove the right instrument panel FINISHER .
Remove the radio operating unit and the air conditioning CONTROL PANEL .
Remove HEAD UNIT HIGH (HU-H).
Remove the instrument panel SPEAKER TRIM .
Remove the instrument panel MID-RANGE SPEAKER .
Remove both inner front door sill COVER STRIPS .
Remove the left a-pillar footwell side TRIM PANEL .
Remove the right-hand a-pillar footwell side TRIM PANEL .
Remove the left and right a-pillar TRIM PANEL .
Remove the left instrument panel SIDE PANEL .
Remove the light OPERATING UNIT .
Remove the left instrument panel FINISHER .
Remove CENTRAL INFORMATION DISPLAY (CID).
Remove the left fold-down COMPARTMENT .
Remove the steering wheel/sports steering wheel AIRBAG UNIT .
Remove the M sports steering wheel AIRBAG UNIT .
Remove the steering WHEEL .
Remove upper section steering COLUMN SHROUD .
Remove lower section steering COLUMN SHROUD .
Remove the steering column SWITCH CLUSTER (SZL).
Remove the INSTRUMENT CLUSTER (KOMBI).
Remove instrument PANEL TRIM .
Disconnect the expansion valve REFRIGERANT LINE .
Remove the instrument PANEL SUPPORT .

Use commercially available disconnection tools to pinch off the coolant lines.

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NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids.
Observe country-specific waste disposal regulations.

Release the hose clamps (1) using special tool 0495 794 (17 2 050) and pull off the coolant hoses.

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Protect the carpet in footwell against leaking coolant.
Loosen screws (1), (2) and (3).
Loosen sealing flange (4) from the bulkhead (5) in the direction of the passenger compartment.

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Unlock the latch mechanism (1) and remove the cable channel (2).

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NOTE: Perform the operations on the left and right side.
Unlock the latch mechanisms (1) and push the air duct (2) downwards.

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Unlock and disconnect the connector (1) on the blower (2).

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For equipment specifications with electric auxiliary heater: Release the nut (1) and remove the ground cable (2).

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Feed out and remove the heating and air-conditioning unit (1).

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