Remove/install air conditioner housing

AR83.30-P-5200CW

Remove/install air conditioner housing

19.5.15

Model

204, 207, 212, 218

1

Nut (on model 204, 207, 218)

6

Nut

11

Coolant hose

2

Retaining clamp (on model 204, 207, 218)

7

Pressure line

12

Pinch-off pliers

3

Nut

8

Brake line

13

Connection fitting

4

Suction pipe

9

Bracket

20

Sealing ring

5

Expansion valve

10

Coolant hose

14

Electrical connector

17

Air duct (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer or with code (526) COMAND (without navigation) or with code (528) HIGH Class USA)

B10/6

Evaporator temperature sensor

15

Water drain hose

18

Air intake duct (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer or with code (526) COMAND (without navigation) or with code (528) HIGH Class USA)

M4/13

COMAND fan motor (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer or with code (526) COMAND (without navigation) or with code (528) HIGH Class USA)

16

Rear air duct

A32

AC housing

X120

Radio fan electrical connector (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer or with code (526) COMAND (without navigation) or with code (528) HIGH Class USA)

 

Remove/install

 Danger !

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A



Notes on coolant

AH20.00-N-2080-01A

1

Drain air conditioning system

AR83.30-P-1760CW

 Installation: Evacuate air conditioning system, refill it and check it for proper operation and leaktightness.

2

Remove windshield wiper system

AR82.30-P-6400CW

3

Unscrew nut (1) and detach retaining clamp (2)

Model 204, 207, 218

4

Unscrew nut (3)

5

Pull suction line (4) out of expansion valve (5) and close off

 Installation: Replace sealing ring (20).

6

Unscrew nut (6)

7

Pull pressure line (7) out of expansion valve (5) and close off

 Installation: Replace sealing ring at pressure line (7).

8

Reduce pressure in cooling system

 Carefully open cap at coolant expansion reservoir and then close again.

9

Unclip brake line (8) from bracket (9) and press to one side

 For better accessibility of the hose clamp on the coolant hose (11).

10

Clamp off coolant hoses (10, 11) using pinch-off pliers (12) and remove from the connection fitting (13) on the air conditioner housing (A32)

 Hose clamp pliers

*003589033700

11

Seal connection fitting (13) on air conditioner housing (A32)


Coolant leaks through connection fittings (13) that are not closed off when the air conditioner housing (A32) is removed.
The vehicle interior can hereby be soiled.

12

Remove cross member under instrument panel

Model 204, 207, 212, 218

Model 204, 207, 212

AR68.10-P-1120CW

13

Disconnect radio fan electrical connector (X120) from COMAND fan motor (M4/13)

Model 204, 207, 212, 218
with code 512 (COMAND APS with DVD changer)
Model 204, 207, 212, 218
with code 526 (COMAND with single DVD drive (without navigation))
Model 204, 207, 212, 218
with code 527 (COMAND APS with single DVD drive (with navigation))
Model 204, 207, 212, 218
with code 528 (HIGH Class USA)

14

Disconnect electrical connector (14) from evaporator temperature sensor (B10/6)

15

Detach left and right water drain hoses (15) from air conditioner housing (A32)

16

Detach rear left and right air ducts (16) from air conditioner housing (A32)

17

Remove air duct (17) from COMAND fan motor (M4/13)

Model 204, 207, 212, 218
with code 512 (COMAND APS with DVD changer)
Model 204, 207, 212, 218
with code 526 (COMAND with single DVD drive (without navigation))
Model 204, 207, 212, 218
with code 527 (COMAND APS with single DVD drive (with navigation))
Model 204, 207, 212, 218
with code 528 (HIGH Class USA)

18

Remove air intake duct (18) from COMAND fan motor (M4/13)

Model 204, 207, 212, 218
with code 512 (COMAND APS with DVD changer)
Model 204, 207, 212, 218
with code 526 (COMAND with single DVD drive (without navigation))
Model 204, 207, 212, 218
with code 527 (COMAND APS with single DVD drive (with navigation))
Model 204, 207, 212, 218
with code 528 (HIGH Class USA)

 Installation: Ensure that air intake duct (18) engages completely at COMAND fan motor (M4/13). Otherwise the air intake duct (18) can work its way loose and thus generate noise.

19

Have someone assist you when removing the air conditioner housing (A32) from the vehicle


Carefully take out air conditioner housing (A32).
To prevent damage to components in the vehicle interior.

20

Install in the reverse order

21

Fill with coolant, vent cooling system and check for signs of leaks

Model 207 with engine 276.8

AR20.00-P-1142A

Model 212.098/298 with engine 651.9

AR20.00-P-1142EH

Model 204 with engine 271, 272, 642, 646, 651
Model 207 with engine 271, 272, 273, 642, 651
Model 212 with engine 271

AR20.00-P-1142CW

Model 204, 212 with engine 156

AR20.00-P-1142CMG

Model 204 with engine 276
Model 207 with engine 276.9, 278

AR20.00-P-1142FH

Model 212, 218 with engine 157, 276, 278

AR20.00-P-1142EL

Model 212 with engine 272, 273

AR20.00-P-1142EWS

Model 212, 218 with engine 642

AR20.00-P-1142OGE

Model 212 (except 212.098/298), 218 with engine 651

AR20.00-P-1142OMA