Flush Air Conditioning - AR83.30-P-1785LWH

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

Model 205.012/013/047/053/054/147/212/213/247/253

Model 213.016/050/053/054/153/155/216/253

Model 222.004/057/104/157/163/173

except code 582 (Air conditioning, rear)

Model 242.890

Model 253.353/354/953/954

MODIFICATION NOTES

13.07.2021	Work procedure changed.	Operation steps are no longer required (the shutoff valve (Y19/3) is no longer removed).
27.09.2021	Install new electric expansion valve.	Operation step 25.

Courtesy of MERCEDES-BENZ USA

Schematic diagram of refrigerant circuit

Courtesy of MERCEDES-BENZ USA

Flushing process for front circuit

Courtesy of MERCEDES-BENZ USA

Flushing process for high-voltage battery circuit

	Risk of injury when working on air conditioning systems due to R744 refrigerant escaping under pressure. Risk of suffocation from inhaling R744 refrigerant in high concentrations. Health hazard caused by inhalation of R744 refrigerant	Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Model 222.004/057/104/157/163/173 with code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AS83.00-Z-0008-01A
	Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234y refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures	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-0007-01A
	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
Notice	Protect air conditioning circuit and components from moisture when carrying out repair work		AH83.30-P-0005-01KOA
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Notes on handling refrigerant R134a		AH83.30-P-0003-01KOA
	Notes on handling refrigerant R744	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Model 222.004/057/104/157/163/173 with code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AH83.30-P-0003-03A
	Notes on handling refrigerant R1234yf		AH83.30-P-0003-02A
	Remove
1.1	Remove receiver drier (10).	Model 205, 222, 242.890, 253, model 213 except code 1U6 (Refrigerant R744) Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 253.353/354/953/954	AR83.30-P-6521LW
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AR83.30-P-6521LF
		Model 242.890	AR83.30-P-6521NKB
1.2	Remove refrigerant reservoir (8).	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant)	AR83.30-P-6520LWB
2	Remove electric refrigerant compressor (A9/5).	Model 205, 213, 222, 242.890, 253 Model 205.053/054/253 with engine 274 except code ME06 (Hybrid drive 60 kW variant (incl. plugin))	AR83.55-P-5310LW
		Model 205.013/213 with engine 654	AR83.55-P-53100LI
		Model 205.012/212 with engine 651 with code ME04 (Mild hybrid drive)	AR83.55-P-5311LWG
		Model 205.053/054/253 Model 253.354/954	AR83.55-P-5311LWH
		Model 213.050/053/054/153/155/253	AR83.55-P-5311LHV
		Model 213.016/216 with engine 654 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))	AR83.55-P-53110LC
		Model 222.057/157/163/173 with engine 276 except code 582 (Air conditioning, rear)	AR83.55-P-5310ELA
		Model 222.004/104 with engine 651.9 except code 582 (Air conditioning, rear)	AR83.55-P-53100LF
		Model 222.163/173 with engine 276.8 except code 582 (Air conditioning, rear)	AR83.55-P-5311LFH
		Model 242.890 with engine 780	AR83.55-P-5310NKE
3	Remove front expansion valve (4).	Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 253.353/354/953/954	AR83.30-P-5520LW
		Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant)	AR83.30-P-5520LWB
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AR83.30-P-5520LF
		Model 242.890	AR83.30-P-5520NKB
	Install
4	Install flushing adapter (12) in place of removed refrigerant reservoir (8).	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Screw/nut, adapter to retaining plate	*BA83.30-P-1023-01R
		Adapter	Fig 1
5	Position and tighten refrigerant lines at flushing adapter (12).	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Screw/nut, refrigerant line to adapter	*BA83.30-P-1024-01R
6	Install flushing adapter (11) in place of removed front expansion valve (4).	Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Screw/nut, adapter to retaining plate	*BA83.30-P-1023-01R
		Model 205.012/013/047/053/054/147/212/213/247/25 Model 253.353/354/953/954Screw/nut, adapter to retaining plate	*BA83.30-P-1017-01Q
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear) Screw/nut, adapter to retaining plate	*BA83.30-P-1022-01P
		Model 242.890Screw/nut, adapter to retaining plate	*BA83.30-P-1023-01G
		Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 Model 222.004/057/104/157/163/173 except code 582 (Air conditioning, rear) Model 242.890 Model 253.353/354/953/954 Adapter If the screw threads do not grip, ↓ pull the threaded plate out using an extraction hook, hold and screw in the screws alternately	Fig 1
		Extraction hook	Fig 2
7	Position and tighten refrigerant lines at flushing adapter (11).	Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear) Screw/nut, refrigerant line to adapter	*BA83.30-P-1023-01P
		Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Screw/nut, refrigerant line to adapter	*BA83.30-P-1024-01R
		Model 205.012/013/047/053/054/147/212/213/247/253 Model 253.353/354/953/954Screw/nut, refrigerant line to adapter	*BA83.30-P-1018-01Q
		Model 242.890Screw/nut, refrigerant line to adapter	*BA83.30-P-1024-01G
8	Attach outlet line adapter (13) and inlet line adapter (14) at refrigerant lines of removed electric refrigerant compressor (A9/5) according to line diameters.	Model 242.890Screw, refrigerant line to line adapter	*BA83.30-P-1025-01G
		Model 205.012/013/047/053/054/147/212/213/247/253 Model 253.353/354/953/954Screw, refrigerant line to line adapter	*BA83.30-P-1016-01Q
		Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Screw, refrigerant line to line adapter	*BA83.30-P-1025-01R
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear) Screw, refrigerant line to line adapter	*BA83.30-P-1021-01P
		Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 Model 222.004/057/104/157/163/173 except code 582 (Air conditioning, rear) Model 242.890 Model 253.353/354/953/954 Adapter kit	Fig 3
9	Reinstall all component parts of receiver drier (10) except filter pack.	Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 253.353/354/953/954	AR83.30-P-6521LW
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AR83.30-P-6521LF
		Model 242.890	AR83.30-P-6521NKB
10	Connect air conditioning service unit with flushing tank and service hoses to outlet line adapter (13) and to inlet line adapter (14).
	000 588 04 82 00 Air conditioning service unit R134a		WS83.00-P-0031B
	000 588 10 82 00 R1234yf air conditioning service unit		WS83.00-P-0034B
	000 588 09 82 00 R744 air conditioning service unit	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) In principle, any air conditioning service unit can be used, regardless of the brand or design; it only has to have a flushing function. The flushing direction (arrows) is the opposite direction to the flow direction of the refrigerant circuit. Connect inlet service hose to inlet line adapter (14) and outlet service hose to outlet line adapter (13).	WS83.00-P-0033B
	Flushing
11	Start first flushing procedure at air conditioning service unit and follow instructions.
	Remove
12	Disconnect air conditioning service unit.
13	Detach refrigerant lines from flushing adapter (11).
14	Remove flushing adapter (11) and seal openings of refrigerant lines with suitable stop plugs.	Record plug	Fig 4
	Install
15	Install new front expansion valve (4).	Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 253.353/354/953/954	AR83.30-P-5520LW
		Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant)	AR83.30-P-5520LWB
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AR83.30-P-5520LF
		Model 242.890	AR83.30-P-5520NKB
	Remove
16	Remove high-voltage battery cooling shutoff valve/high-voltage battery cooling expansion valve (5).	Model 205.012/212 Model 222.004/057/104/157 except code 582 (Air conditioning, rear)	AR83.30-P-5480LW
	Install
17	Install flushing adapter (11) in place of high-voltage battery cooling shutoff valve/high-voltage battery cooling expansion valve (5).	Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear) Screw/nut, adapter to high-voltage battery/heat exchanger	*BA83.30-P-1020-01P
		Model 242.890Screw/nut, adapter to high-voltage battery/heat exchanger	*BA83.30-P-1022-01G
		Model 205.012/013/047/053/054/147/212/213/247/253 Model 253.353/354/953/954Screw/nut, adapter to high-voltage battery/heat exchanger	*BA83.30-P-1015-01Q
		Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Screw/nut, adapter to high-voltage battery/heat exchanger	*BA83.30-P-1022-01R
		Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 Model 222.004/057/104/157/163/173 except code 582 (Air conditioning, rear) Model 242.890 Model 253.353/354/953/954 Adapter	Fig 1
18	Position and tighten refrigerant lines at flushing adapter (11).	Model 205.012/013/047/053/054/147/212/213/247/253 Model 253.353/354/953/954Screw/nut, refrigerant line to adapter	*BA83.30-P-1018-01Q
		Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Screw/nut, refrigerant line to adapter	*BA83.30-P-1024-01R
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear) Screw/nut, refrigerant line to adapter	*BA83.30-P-1023-01P
		Model 242.890Screw/nut, refrigerant line to adapter	*BA83.30-P-1024-01G
19	Connect air conditioning service unit with flushing tank and service hoses to outlet line adapter (13) and to inlet line adapter (14).
	000 588 04 82 00 Air conditioning service unit R134a		WS83.00-P-0031B
	000 588 10 82 00 R1234yf air conditioning service unit		WS83.00-P-0034B
	000 588 09 82 00 R744 air conditioning service unit	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) In principle, any air conditioning service unit can be used, regardless of the brand or design; it only has to have a flushing function. The flushing direction (arrows) is the opposite direction to the flow direction of the refrigerant circuit. Connect inlet service hose to inlet line adapter (14) and outlet service hose to outlet line adapter (13).	WS83.00-P-0033B
	Flushing
20	Start second flushing procedure at air conditioning service unit and follow instructions.
	Remove
21	Disconnect air conditioning service unit.
22	Detach refrigerant lines from flushing adapter (11).
23	Remove flushing adapter (11) and seal openings of refrigerant lines with suitable stop plugs.	Record plug	Fig 4
	Install
24	Install new high-voltage battery cooling shutoff valve/high-voltage battery cooling expansion valve (5).	Model 205.012/212 Model 222.004/057/104/157 except code 582 (Air conditioning, rear)	AR83.30-P-5480LW
25	Install new electric expansion valve.	Model 205.013/053/054/213/253 Model 213.016/053/054/153/216/253 Model 222.004/057/104/157/163/173 except code 582 (Air conditioning, rear) Model 253.353/354/953/954
		Model 213.016/053/054/153/216/253	AR83.30-P-5522LWE
		Model 205.013/053/054/213/253 Model 253.353/354/953/954	AR83.30-P-5522LW
		Model 222.004/057/104/157/163/173 except code 582 (Air conditioning, rear) U Replace electric expansion valve after second flushing procedure.	AR83.30-P-5522LF
	Remove
26	Detach outlet line adapter (13) and inlet line adapter (14) from refrigerant lines of removed electric refrigerant compressor (A9/5). Seal openings of refrigerant lines with suitable stop plugs.	Record plug	Fig 4
27	Remove flushing adapter (12) and seal openings of refrigerant lines of removed refrigerant reservoir (8) with suitable stop plugs.	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant) Record plug	Fig 4
28	Remove all installed component parts of receiver drier (10) again.	Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 253.353/354/953/954	AR83.30-P-6521LW
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AR83.30-P-6521LF
		Model 242.890	AR83.30-P-6521NKB
	Install
29	Install new electric refrigerant compressor (A9/5).	Model 205, 213, 222, 242.890, 253
		Model 205.053/054 Model 253 with engine 274 except code ME06 (Hybrid drive 60 kW variant (incl. plugin))	AR83.55-P-5310LW
		Model 205.013/213 with engine 654 Model 205.012/212 with engine 651 with code ME04 (Mild hybrid drive)	AR83.55-P-53100LI AR83.55-P-5311LWG
		Model 205.053/054/253 Model 253.354/954	AR83.55-P-5311LWH
		Model 213.050/053/054/153/155/253	AR83.55-P-5311LHV
		Model 213.016/216 with engine 654 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))	AR83.55-P-53110LC
		Model 222.057/157/163/173 with engine 276 except code 582 (Air conditioning, rear)	AR83.55-P-5310ELA
		Model 222.004/104 with engine 651.9 except code 582 (Air conditioning, rear)	AR83.55-P-53100LF
		Model 222.163/173 with engine 276.8 except code 582 (Air conditioning, rear)	AR83.55-P-5311LFH
		Model 242.890 with engine 780	AR83.55-P-5310NKE
30.1	Install receiver drier (10) with new filter pack.	Model 205, 222, 242.890, 253 model 213 except code 1U6 (Refrigerant R744) Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 except code 1U6 (R744 refrigerant) Model 253.353/354/953/954	AR83.30-P-6521LW
		Model 222.004/057/104/157/163/173 except code 1U6 (R744 refrigerant) except code 582 (Air conditioning, rear)	AR83.30-P-6521LF
		Model 242.890	AR83.30-P-6521NKB
30.2	Install new refrigerant reservoir (8).	Model 213.016/050/053/054/153/155/216/253 with code 1U6 (R744 refrigerant)	AR83.30-P-6520LWB
31	Fill air conditioning system and inspect for leak tightness and proper operation.	Model 222.004/057/104/157/163/173 except code 582 (Air conditioning, rear)	AR83.30-P-1760LF
		Model 205.012/013/047/053/054/147/212/213/247/253 Model 213.016/050/053/054/153/155/216/253 Model 253.353/354/953/954	AR83.30-P-1760LW
		Model 242.890	AR83.30-P-1760NKB

AIR CONDITIONING

Number	Designation		Model 205	Model 253
BA83.30-P-1015-01Q	Screw/nut, adapter to high-voltage battery/heat exchanger	Nm	8	8

AIR CONDITIONING

Number	Designation		Model 205	Model 253
BA83.30-P-1016-01Q	Screw, refrigerant line to line adapter	Nm	20	20

AIR CONDITIONING

Number	Designation		Model 205	Model 253
BA83.30-P-1017-01Q	Screw/nut, adapter to retaining plate	Nm	7	7

AIR CONDITIONING

Number	Designation		Model 205	Model 253
BA83.30-P-1018-01Q	Screw/nut, refrigerant line to adapter	Nm	12	12

AIR CONDITIONING

Number	Designation		Model 222 except code 1U6 (R744 refrigerant)
BA83.30-P-1020-01P	Screw/nut, adapter to high-voltage battery/heat exchanger	Nm	9

AIR CONDITIONING

Number	Designation		Model 222 except code 1U6 (R744 refrigerant)
BA83.30-P-1021-01P	Screw, refrigerant line to line adapter	Nm	20

AIR CONDITIONING

Number	Designation		Model 242
BA83.30-P-1022-01G	Screw/nut, adapter to high-voltage battery/heat exchanger	Nm	8

AIR CONDITIONING

Number	Designation		Model 222 except code 1U6 (R744 refrigerant)
BA83.30-P-1022-01P	Screw/nut, adapter to retaining plate	Nm	6

AIR CONDITIONING

Number	Designation		Model 213 except code 1U6 (R744 refrigerant)	Model 213 with code 1U6 (R744 refrigerant)
BA83.30-P-1022-01R	Screw/nut, adapter to high-voltage battery/heat exchanger	Nm	8	8

AIR CONDITIONING

Number	Designation		Model 242
BA83.30-P-1023-01G	Screw/nut, adapter to retaining plate	Nm	3, 5

AIR CONDITIONING

Number	Designation		Model 222 except code 1U6 (R744 refrigerant)
BA83.30-P-1023-01P	Screw/nut, refrigerant line to adapter	Nm	12

AIR CONDITIONING

Number	Designation		Model 213 except code 1U6 (R744 refrigerant)	Model 213 with code 1U6 (R744 refrigerant)
BA83.30-P-1023-01R	Screw/nut, adapter to retaining plate	Nm	7	7

AIR CONDITIONING

Number	Designation		Model 242
BA83.30-P-1024-01G	Screw/nut, refrigerant line to adapter	Nm	6

AIR CONDITIONING

Number	Designation		Model 213 except code 1U6 (R744 refrigerant)	Model 213 with code 1U6 (R744 refrigerant)
BA83.30-P-1024-01R	Screw/nut, refrigerant line to adapter	Nm	12	12

AIR CONDITIONING

Number	Designation		Model 242
BA83.30-P-1025-01G	Screw, refrigerant line to line adapter	Nm	20

AIR CONDITIONING

Number	Designation		Model 213 except code 1U6 (R744 refrigerant)	Model 213 with code 1U6 (R744 refrigerant)
BA83.30-P-1025-01R	Screw, refrigerant line to line adapter	Nm	20	20

Fig 1: Identifying Adapter (213 589 01 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Extraction Hook (140 589 02 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Adapter Kit (222 589 01 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA