Cleaning The Evaporator - AR83.30-P-5555MFA

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Model 118, 177, 243, 247

Example illustration

Courtesy of MERCEDES-BENZ USA

	Remove
1	Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).
2	Remove engine compartment lining underneath condensation drain.	Model 118, 177, 247 with engine 260 with code M016 (Uprated engine) Model 118, 177, 247.7 with engine 139	AR61.20-P-1105MFR
		Model 243	AR61.20-P-1105EQA
		Model 118, 177, 247 with engine 260 except code M016 (Uprated engine) Model 118, 177, 247 with engine 282	AR61.20-P-1105MFA
		Model 118, 177, 247 with engine 608, 654	AR61.20-P-1105MFE
3	Place a receptacle under condensation drain.	Dispose of collected cleaner properly.
4	Protect electronic component parts in cleaning area against moisture.
5	Remove activated charcoal particle filter.
			AP83.00-P-8350MFA
6	Cover working area with absorbent cloths.	Cleaner must not enter the vehicle interior.
	Clean
7	Clean evaporator through opening of activated charcoal particle filter.		AR83.30-P-5555-02MA
		Use entire content of cleaner Pressure-feed spray gun with 2 cleaning probes (short and long) for A/C systems	*BR00.45-Z-1081-04A
		Cleaner for A/C system	*BR00.45-Z-1084-04A
8	Check if any cleaner is discharged through the condensation drain.	If no cleaner is discharged from the condensation drain, ↓ clean condensation drain.
9	Clean housing of activated charcoal particle filter and adjacent air ducts using a microfiber cloth.	Cleaner for A/C system	*BR00.45-Z-1095-04A
	Install
10	Install activated charcoal particle filter.
		Replace activated charcoal particle filter.	AP83.00-P-8350MFA
11	Remove cloths
12	Remove receptacle.
13	Install engine compartment lining under condensation drain.	Model 118, 177, 247 with engine 260 with code M016 (Uprated engine) Model 118, 177, 247.7 with engine 139	AR61.20-P-1105MFR
		Model 243	AR61.20-P-1105EQA
		Model 118, 177, 247 with engine 260 except code M016 (Uprated engine) Model 118, 177, 247 with engine 282	AR61.20-P-1105MFA
		Model 118, 177, 247 with engine 608, 654	AR61.20-P-1105MFE
	Ventilate
	Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone. Model 118, 177, 247 with engine all	AS49.00-Z-0001-01A
	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. Model 118, 177, 247 with engine all	AS00.00-Z-0005-01A
14	Open all doors on vehicle.
15	Start engine.
16	Switch on air conditioning system, set air distribution to center air vent and let blower run for 5 min at the highest setting.
17	Set air distribution to defroster vent, center air vent and footwell vent, and run blower for 5 minutes at highest setting.
18	Switch off engine and close all doors.

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
BR00.45-Z-1095-04A	Cleaner for A/C system	A 010 989 12 71 09