Clean evaporator and air conditioning system on inside

AR83.30-P-5556A

18.12.2017

Model	164, 204, 209, 211, 215, 216, 219, 220, 221, 230, 240, 251
Model	169, 171, 203, 245 (except 245.286)
	with code 580 (Air-conditioning system)
Model	169, 171, 203, 245 (except 245.286)
	with code 581 (Automatic air conditioning)

Modification notes

20.10.2017

Method revised

Operation steps 3 to 42

Clean evaporator and air conditioning system on inside

1	Probe
2	Guide pulley
3	Gun
4	Disinfection cleaning equipment

P83.30-5036-05

 Warning	Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts	Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.	AS83.00-Z-0006-01A
 Warning	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
Topical note	Procedure for a damaged or leaky air conditioning system		AH83.30-N-0004-01A
	Notes on handling refrigerant R134a		AH83.30-N-0003-01A
	Remove
1	Close footwell flaps
2	Switch off ignition, blower and air conditioning system
3	Remove engine compartment paneling in vicinity of condensation water drains	Model 164	AR61.20-P-1105GZ
		Model 169, 245 with code 484 (Rough road package)	AR61.20-P-1105AL
		Model 169, 245 except code 484 (Rough road package)	AR61.20-P-1105AM
		model 203, 209	AR61.20-P-1105P
		Model 171	AR61.20-P-1105V
		Model 204.9	AR61.20-P-1105CY
		Model 204.0/2/3	AR61.20-P-1105EW
		Model 211	AR61.20-P-1105T
		Model 215, 220	AR61.20-P-1105M
		Model 216 Model 221 except code Z07 (Top protection)	AR61.20-P-1105SX
		Model 219	AR61.20-P-1105TX
		Model 230.4 with code P99 (Special model "AMG Black Series")	AR61.20-P-1105RBS
		Model 230 except code P99 (Special model "AMG Black Series")	AR61.20-P-1105R
		Model 240	AR61.20-P-1105H
		Model 251	AR61.20-P-1105RT
		 The disinfecting cleaner is drained off later on through the condensation drains.
4	Place collection bowl beneath condensation drains
5	Remove temperature sensor from evaporator	Model 164	AR83.30-P-8085GZ
		Models 169, 245	AR83.30-P-8085AK
		model 203, 209	AR83.30-P-8085P
		Model 171	AR83.30-P-8085V
		Model 204	AR83.30-P-8085CW
		Model 211	AR83.30-P-8085T
		Model 215, 220	AR83.30-P-8085M
		Model 216, 221	AR83.30-P-8085SX
		Model 219	AR83.30-P-8085TX
		Model 230	AR83.30-P-8085R
		Model 240Front air conditioning	AR83.30-P-8085H
		Model 251	AR83.30-P-8085RT
		 Let temperature sensor hang down with attached line.
6	Remove cover below dashboard on right	Model 164	AR68.10-P-1520GZ
		Model 203, 209 with code 580 (Air-conditioning system)	AR68.10-P-1520P
		Model 251	AR68.10-P-1520RT
7.1	If bore not present in air conditioner housing, make one	Model 164, 251 Model 203, 209 with code 580 (Air-conditioning system)
		Model 164, 251	AR83.30-P-5555-01GZ
		Model 203, 209 with code 580 (Air-conditioning system)	AR83.30-P-5555-01A
7.2	If a bore is present in the air conditioner housing, remove sealing washer	Model 164, 251 Model 203, 209 with code 580 (Air-conditioning system)
8	Remove the dust filter
		Model 164 with code 580 (Air-conditioning system)	AP83.00-P-8381GZ
		Model 169, 245 with code 580 (Air conditioning system)	AP83.00-P-8381AK
		model 203, 209	AP83.00-P-8381P
		Model 211.### #A up to 635991, 211.### #X up to 170336	AP83.00-P-8381T
		Model 215, 220	AP83.00-P-8381MA
		Model 240	AP83.00-P-8381H
		Model 251 with code 580 (Air-conditioning system)	AP83.00-P-8381RT
9	Remove the activated charcoal dust filter
		Model 164, 251 with code 581 (Automatic air conditioning)	AP83.00-P-8384GZ
		Model 169, 245 with code 581 (Automatic air conditioning)	AP83.00-P-8384AK
		Model 171	AP83.00-P-8384V
		Model 204	AP83.00-P-8384EW
		Model 211.### #A as of 635992 with code 580 (Air-conditioning system) Model 211.### #B with code 580 (Air-conditioning system) Model 211.### #X as of 170337 with code 581 (Automatic air conditioning) Model 211.### #X with code 580 (Air-conditioning system)	AP83.00-P-8384T
		Model 216 Model 221	AP83.00-P-8384SX
		Model 219	AP83.00-P-8384TX
		Model 230	AP83.00-P-8384R
10	Remove activated charcoal filter
		Model 203, 209 with code 581 (Automatic air conditioning)	AP83.00-P-8382P
		Model 211.### #A up to 635991, 211.### #X up to 170336	AP83.00-P-8382F
		Model 215, 220	AP83.00-P-8382M
		Model 240	AP83.00-P-8382H
	Clean
11	Insert probe (1) of disinfecting cleaning equipment (4) into evaporator housing	Cleaner for A/C system	*BR00.45-Z-1084-04A
		Pressure-feed spray gun with 2 cleaning probes (short and long) for A/C systems	*BR00.45-Z-1081-04A
12	Insert nozzle (1) of disinfecting cleaning equipment (4) through the bore into the air conditioner housing	Model 164, 251 Model 203, 209 with code 580 (Air-conditioning system)
		Cleaner for A/C system	*BR00.45-Z-1084-04A
		Pressure-feed spray gun with 2 cleaning probes (short and long) for A/C systems	*BR00.45-Z-1081-04A
13	Cover filter slot opening	Model 164, 204, 209, 211, 215, 216, 219, 220, 221, 230, 240, 251 Model 171, 203 with code 580 (Air-conditioning system) Model 171, 203 with code 581 (Automatic air conditioning)
		 No disinfecting cleaner must enter the vehicle interior.
14	Place thumb onto guide pulley (2)	 This fixes the spraying direction in place. When spraying through the opening for the temperature sensor on the evaporator, the guide pulley (2) must face in towards the vehicle interior. When spraying through the filter openings, the guide pulley (2) must face towards the firewall.
15.1	Operate spray gun (3) and move the probe (1) in circular movements to distribute the disinfecting cleaner as uniformly as possible on the evaporator	Model 169, 171, 203, 245 (except 245.286) with code 581 (Automatic air conditioning) Model 169, 171, 245 (except 245.286) with code 580 (Air-conditioning system) Model 204, 211, 215, 216, 219, 220, 221, 230, 240 Model 209 with code 581 (Automatic air conditioning)
		 Approx. Spray 1 liter of disinfecting cleaner. Allow the disinfecting cleaner to work for at least 30 min.
15.2	Operate spray gun (3) and move the probe (1) in circular movements to distribute the disinfecting cleaner as uniformly as possible on the evaporator	Model 164, 251 Model 203, 209 with code 580 (Air-conditioning system)
		 Approx. Spray 1 liter of disinfecting cleaner, 0.5 liters on each side. Allow the disinfecting cleaner to work for at least 30 min.
16	Check whether disinfecting cleaner is escaping from the condensation drains	If the disinfecting cleaner only exits in drops.
		
		Check condensation drains for contamination and clean.
	Ventilate
17	Start engine, switch on air conditioning system, open all air flaps and allow blower to run at highest setting for at least 10 min	 Leave the doors on the vehicle open.
18	Switch off the engine and ignition
	Install
19	Fit sealing washer into hole in air conditioner housing	Model 164, 251	AR83.30-P-5555-01GZ
		Model 203, 209 with code 580 (Air-conditioning system)	AR83.30-P-5555-01A
20	Install temperature sensor of evaporator	Model 164	AR83.30-P-8085GZ
		Models 169, 245	AR83.30-P-8085AK
		model 203, 209	AR83.30-P-8085P
		Model 171	AR83.30-P-8085V
		Model 204	AR83.30-P-8085CW
		Model 211	AR83.30-P-8085T
		Model 215, 220	AR83.30-P-8085M
		Model 216, 221	AR83.30-P-8085SX
		Model 219	AR83.30-P-8085TX
		Model 230	AR83.30-P-8085R
		Model 240Front air conditioning	AR83.30-P-8085H
		Model 251	AR83.30-P-8085RT
	Clean
21	Close air recirculation flap by means of actuating "Close air recirculation flap for cleaning" in DAS
			AD00.00-P-2000-04A
		If this menu item for the required models is not stored in the DAS.
		
		Use the DAS to access the special coding (code number) procedure and set manual recirculated air to "unlimited".
22	Prepare diffuser for cleaning the inner air conditioning system	 Perform cleaning using the atomizer (ultrasonic).
23	Start engine, allow vehicle to warm up with the air conditioning system switched off	 Note A/C - ACOFF control concept, heat vehicle interior for at least 30 minutes (when stationary).
24	Set blower to stage 2 to 3
25	Set air conditioning system to maximum heating capacity	 The purpose of this procedure is to dry out the evaporator. The success of the cleaning method is only guaranteed when the evaporator is dry.
26	Set nozzle setting to footwell
27	Place diffuser (ultrasound) into passenger compartment on front passenger side. Attach hose in luggage net so that the footwell vents suck in the escaping smoke	 The evaporator must be dried out before the atomizer is used (ultrasonic). The air conditioning must always be switched off during the following steps (observe operating concept A/C – ACOFF). Route power supply for diffuser through front passenger window.
28	Switch off the air conditioning
29	With the engine running and the air conditioning system switched off, press air recirculation button, set blower to lowest stage and set temperature to "Min"	 Observe operating concept A/C - ACOFF.
30	Switch on diffuser (ultrasound)	 All the windows and doors as well as the sliding roof must be closed.
31	The cleaning process is complete when smoke stops flowing out of the diffuser (ultrasound) (approx. 20 min)	 Under certain circumstances the cleaning process may be briefly interrupted, but it then continues automatically.
32	Switch off engine and ignition, switch off diffuser (ultrasound) and leave vehicle closed for approx. 1 hour	 When the cleaning process is complete.
	Ventilate
33	Open doors, trunk lid or luggage compartment flap to ventilate vehicle
34	Open air recirculation flap through DAS actuation
			AD00.00-P-2000-04A
		If this menu item for the required models is not stored.
		
		Use the DAS to access the special coding (code number) procedure and set manual recirculated air to "limited".
35	Start engine, switch on air conditioning. Set temperature to "LO" and the highest blower stage and then run for approx. 10 minutes
36	Switch off the engine and ignition
	Install
37	Remove cover over the opening of the filter slot	Model 164, 204, 209, 211, 215, 216, 219, 220, 221, 230, 240, 251 Model 171, 203 with code 580 (Air-conditioning system) Model 171, 203 with code 581 (Automatic air conditioning)
38	Install dust filter
		Model 164 with code 580 (Air-conditioning system)	AP83.00-P-8381GZ
		Model 169, 245 with code 580 (Air conditioning system)	AP83.00-P-8381AK
		model 203, 209	AP83.00-P-8381P
		Model 211.### #A up to 635991, 211.### #X up to 170336	AP83.00-P-8381T
		Model 215, 220	AP83.00-P-8381MA
		Model 240	AP83.00-P-8381H
		Model 251 with code 580 (Air-conditioning system)	AP83.00-P-8381RT
		 Replace dust filter.
39	Install the activated charcoal particle filter
		Model 164, 251 with code 581 (Automatic air conditioning)	AP83.00-P-8384GZ
		Model 169, 245 with code 581 (Automatic air conditioning)	AP83.00-P-8384AK
		Model 171	AP83.00-P-8384V
		Model 204	AP83.00-P-8384EW
		Model 211.### #A as of 635992 with code 580 (Air-conditioning system) Model 211.### #B with code 580 (Air-conditioning system) Model 211.### #X as of 170337 with code 581 (Automatic air conditioning) Model 211.### #X with code 580 (Air-conditioning system)	AP83.00-P-8384T
		Model 216 Model 221	AP83.00-P-8384SX
		Model 219	AP83.00-P-8384TX
		Model 230	AP83.00-P-8384R
		 Replace activated charcoal particle filter.
40	Install activated charcoal filter
		Model 203, 209 with code 581 (Automatic air conditioning)	AP83.00-P-8382P
		Model 211.### #A up to 635991, 211.### #X up to 170336	AP83.00-P-8382F
		Model 215, 220	AP83.00-P-8382M
		Model 240	AP83.00-P-8382H
		 Replace activated charcoal filter.
41	Install the cover under the dashboard on the right	Model 164	AR68.10-P-1520GZ
		Model 203, 209 with code 580 (Air-conditioning system)	AR68.10-P-1520P
		Model 251	AR68.10-P-1520RT
42	Remove collecting pan under the condensation drain
43	Install engine compartment lining in area of condensation drains	Model 164	AR61.20-P-1105GZ
		Model 169, 245 with code 484 (Rough road package)	AR61.20-P-1105AL
		Model 169. 245 except code 484 (Rough road package)	AR61.20-P-1105AM
		model 203, 209	AR61.20-P-1105P
		Model 171	AR61.20-P-1105V
		Model 204.9	AR61.20-P-1105CY
		Model 204.0/2/3	AR61.20-P-1105EW
		Model 211	AR61.20-P-1105T
		Model 215, 220	AR61.20-P-1105M
		Model 216 Model 221 except code Z07 (Top protection)	AR61.20-P-1105SX
		Model 219	AR61.20-P-1105TX
		Model 230.4 with code P99 (Special model "AMG Black Series")	AR61.20-P-1105RBS
		Model 230 except code P99 (Special model "AMG Black Series")	AR61.20-P-1105R
		Model 240	AR61.20-P-1105H
		Model 251	AR61.20-P-1105RT

Repair materials

Number	Designation	Order number
BR00.45-Z-1081-04A	Pressure-feed spray gun with 2 cleaning probes (short and long) for A/C systems	A 000 581 00 04
BR00.45-Z-1084-04A	Cleaner for A/C system	A 000 989 46 00 09

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