Remove/Install AC Condenser - AR83.30-P-6540LWO

Model 213 With Engine 256.9, 264, 274, 276.8, 654, 656 

Model 213 With Engine 642 

except code 1U6 (R744 refrigerant) 

Model 238 With Engine 256.9, 264, 274, 276.8, 642, 654, 656 

Shown On Model 213 except code 1U6 (Refrigerant R744) 

Courtesy of MERCEDES-BENZ USA

Fig 1: AC Condenser Components Location - Model 238 With Engine 256.9, 276.8 (Shown On Model 213 Except Code 1U6)

Courtesy of MERCEDES-BENZ USA

Shown On Model 213 except code 1U6 (Refrigerant R744) on left side of vehicle 

Shown On Model 213 except code 1U6 (Refrigerant R744) 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown On Model 213 except code 1U6 (Refrigerant R744) 

	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 R1234yf 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 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 with engine 274, 276.8, 654, 656 with code 1U6 (R744 refrigerant)	AS83.00-Z-0008-01A
	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	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
Notice	Notes on installation position of condenser		AH83.30-P-0002-01LW
	Notes on handling refrigerant R134a		AH83.30-P-0003-01KOA
	Notes on handling refrigerant R1234yf		AH83.30-P-0003-02A
	Notes on handling refrigerant R744	Model 213 with engine 264, 274, 276.8, 654, 656 with code 1U6 (R744 refrigerant)	AH83.30-P-0003-03A
	Remove
1	Discharge air conditioning system.	Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 Model 213 with engine 642 except code 1U6 (R744 refrigerant)	AR83.30-P-1760LW
		Model 238 with engine 256.9, 264, 274, 276, 642, 654	AR83.30-P-1760LWO
2	Remove front bumper.		AR88.20-P-2000LWE
3	Remove cold air intake(13).
4	Remove holders (14).
5	Remove bolts (16, 17) and remove diagonal strut (15).
6	Remove lower air duct segment (2).
7	Remove high-voltage battery cooler.	Model 213.016/216 with engine 654 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) Model 213.050/053/054 with engine 274.9 except code 1U6 (R744 refrigerant) Model 213.016/216 with engine 654 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))	AR08.50-P-0126OLC
		Model 213.050/053/054 with engine 274.9 except code 1U6 (R744 refrigerant)	AR20.20-P-0030MRD
8	Remove additional radiator for low-temperature circuit.	Model 213, 238 with engine 256.9 Model 213, 238 with engine 264 with code B01 (48V technology) Model 213, 238 with engine 256.9	AR09.41-P-3001MSA
		Model 213, 238 with engine 264 with code B01 (48V technology)	AR09.41-P-3001MRH
9	Release both side air duct segments (9) with extraction hooks (12) and fold to one side.	Carefully fold side air duct segments (9) to one side. Otherwise, the condenser (1) may be damaged. When folding away side air duct segments (9), carefully push condenser (1) to rear. Extraction hook	Fig 2
10	Release and disconnect electrical connector (6).	Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 except code 1U6 (R744 refrigerant) Model 213 with engine 642 except code 1U6 (R744 refrigerant) Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656
11.1	Unscrew nut (4), remove refrigerant line (5) and seal openings using suitable stop plugs.	Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 except code 1U6 (R744 refrigerant) Model 213 with engine 642 except code 1U6 (R744 refrigerant) Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656 Record plug	Fig 3
11.2	Unscrew bolt of lower refrigerant line on condenser (1), remove lower refrigerant line from condenser(1) and seal openings using suitable stop plugs.	Model 213 with engine 274, 276.8, 654, 656 with code 1U6 (R744 refrigerant) Record plug	Fig 3
12.1	Unscrew nut (7), remove refrigerant line (8) and seal openings using suitable stop plugs.	Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 except code 1U6 (R744 refrigerant) Model 213 with engine 642 except code 1U6 (R744 refrigerant) Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656 Record plug	Fig 3
12.2	Unscrew bolt of upper refrigerant line on condenser (1), remove upper refrigerant line from condenser(1) and seal openings using suitable stop plugs.	Model 213 with engine 274, 276.8, 654, 656 with code 1U6 (R744 refrigerant) Record plug	Fig 3
13	Release locks (10, 11) in direction of arrow and route condenser (1) downwards.
	Install
14	Check the receiver drier or refrigerant reservoir for re-usability and, replace if necessary.	If necessary, ↓ Replace receiver drier or refrigerant reservoir. Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 except code 1U6 (R744 refrigerant) Model 213 with engine 642 except code 1U6 (R744 refrigerant)	AR83.30-P-6521LW
		Model 213 with engine 274, 276.8, 654, 656 with code 1U6 (R744 refrigerant)	AR83.30-P-6520LWB
		Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656	AR83.30-P-6521LWO
15	Insert condenser (1) from below and latch into locks (10, 11).	Carefully retract condenser (1). Otherwise, the condenser (1) or surrounding component parts may be damaged.
16.1	Mount refrigerant line(8) and tighten nut (7).	Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 except code 1U6 (R744 refrigerant) Model 213 with engine 642 except code 1U6 (R744 refrigerant) Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656 Replace seal. Nut/bolt, refrigerant line to condenser	*BA83.30-P-1006-01R
16.2	Mount upper refrigerant line onto condenser(1) and tighten bolt of refrigerant line on condenser(1).	Model 213 with engine 274, 276.8, 654, 656 with code 1U6 (R744 refrigerant) Replace seal. Nut/bolt, refrigerant line to condenser	*BA83.30-P-1006-01R
17.1	Mount refrigerant line(5) and tighten nut(4).	Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 except code 1U6 (R744 refrigerant) Model 213 with engine 642 except code 1U6 (R744 refrigerant) Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656 Replace seal. Nut/bolt, refrigerant line to condenser	*BA83.30-P-1006-01R
17.2	Mount lower refrigerant line onto condenser (1) and tighten bolt of refrigerant line on condenser(1).	Model 213 with engine 274, 276.8, 654, 656 with code 1U6 (R744 refrigerant) Replace seal. Nut/bolt, refrigerant line to condenser	*BA83.30-P-1006-01R
18	Connect electrical connector (6).	Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 except code 1U6 (R744 refrigerant) Model 213 with engine 642 except code 1U6 (R744 refrigerant) Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656
19	Fold back both side air duct segments (9) and fix in place.	Carefully fix side air duct segments (9) in place. Otherwise, the condenser (1) may be damaged. When fastening side air duct segments (9), carefully push condenser (1) to rear.
20	Install high-voltage battery cooler.	Model 213.016/216 with engine 654 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) Model 213.050/053/054 with engine 274.9 except code 1U6 (R744 refrigerant) Model 213.016/216 with engine 654 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))	AR08.50-P-0126OLC
		Model 213.050/053/054 with engine 274.9 except code 1U6 (R744 refrigerant)	AR20.20-P-0030MRD
21	Install additional cooler for low-temperature circuit.	Model 213, 238 with engine 256.9 Model 213, 238 with engine 264 with code B01 (48V technology) Model 213, 238 with engine 256.9	AR09.41-P-3001MSA
		Model 213, 238 with engine 264 with code B01 (48V technology)	AR09.41-P-3001MRH
22	Install lower air duct segment (2).
23	Insert diagonal strut (15) and tighten bolt (16).	Bolt, strut to cross member	*BA62.30-P-1003-01H
24	Tighten bolt (17).	Bolt, strut to soundproofing	*BA62.30-P-1004-01H
25	Install holders (14).
26	Install cold air intake(13).
27	Install front bumper.		AR88.20-P-2000LWE
28	Fill air conditioning system and inspect for leak tightness and proper operation.	Model 238 with engine 256.9, 264, 274, 276.8, 642, 654, 656	AR83.30-P-1760LWO
		Model 213 with engine 256.9, 264, 274, 276.8, 654, 656 Model 213 with engine 642 except code 1U6 (R744 refrigerant)	AR83.30-P-1760LW

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

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA