Cleaning the evaporator

AR83.30-P-5555MFA

Cleaning the evaporator

04.08.2020

Model

118, 177, 247

Modification notes

02.03.2020

Document completely revised.

Example illustration



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, 282
Model 118, 177, 247.7 with engine 139

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

Remove activated charcoal particle filter.



AP83.00-P-8350MFA

5

Cover working area with absorbent cloths.

 Cleaner must not enter the vehicle interior.



Clean

6

Clean evaporator through opening of activated charcoal particle filter.

AR83.30-P-5555-02MA

 Only the cleaner approved by Daimler AG may be used: https://xentryportal.mercedes-benz.com

Pressure-feed spray gun with 2 cleaning probes (short and long) for A/C systems

*BR00.45-Z-1081-04A

7

Check if any cleaner is discharged through the condensation drain.

If no cleaner is discharged from the condensation drain,



clean condensation drain.



Install

8

Install activated charcoal particle filter.



AP83.00-P-8350MFA

 Replace activated charcoal particle filter.

9

Remove cloths.

10

Remove receptacle.

11

Install engine compartment lining under condensation drain.

Model 118, 177, 247 with engine 260, 282
Model 118, 177, 247.7 with engine 139

AR61.20-P-1105MFA

Model 118, 177, 247 with engine 608, 654

AR61.20-P-1105MFE

Ventilate

 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

12

Open all doors on vehicle.

13

Start engine.

14

Switch on air conditioning system, set air distribution to center air vent and let blower run for 5  min at the highest setting.

15

Set air distribution to defroster vent, center air vent and footwell vent, and run blower for 5 minutes at highest setting.

16

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