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Home >> Mercedes Benz >> 2016 >> S550e >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 222 Chassis >> Testing & Repair >> Remove/install electric refrigerant compressor - AR83.55-P-5311LFH

Remove/install electric refrigerant compressor - AR83.55-P-5311LFH

ENGINE 276.8 in MODEL 222.163 

Fig 1: Electric Refrigerant Compressor Remove/Install Components (1 Of 4)
G11133198Courtesy of MERCEDES-BENZ USA
Fig 2: Electric Refrigerant Compressor Remove/Install Components (2 Of 4)
G11133199Courtesy of MERCEDES-BENZ USA
Fig 3: Electric Refrigerant Compressor Remove/Install Components (3 Of 4)
G11133200Courtesy of MERCEDES-BENZ USA
Fig 4: Electric Refrigerant Compressor Remove/Install Components (4 Of 4)
G11133201DANGERDANGERNOTESDANGERIMPORTANTREMOVINGINSTALLINGINSTALLATION IMPORTANTTORQUE SPECIFICATIONSPECIAL TOOLTORQUE SPECIFICATIONTORQUE SPECIFICATIONSPECIAL TOOLTORQUE SPECIFICATIONTORQUE SPECIFICATIONSPECIAL TOOLCourtesy of MERCEDES-BENZ USA
DANGER Risk of explosion  caused by welding or soldering work on closed air conditioning system. Risk of poisoning  caused by inhaling overheated refrigerant vapors. Risk of injury  to skin and eyes caused by contact with liquid refrigerant. 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 areas. Carry out repair work on the air conditioning system circuit only after the system has been drained. AS83.00-Z-0001-01A
DANGER Risk of death  when touching components on vehicles with high-voltage on-board electrical system Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not  carry out any work on high-voltage on-board electrical systems. AS54.00-Z-0001-01A
NOTES Note on high-voltage on-board electrical system   AH54.00-P-0010-01A
DANGER Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
IMPORTANT Evaluation of high-voltage components   AH54.00-P-6500-01SXH
REMOVINGINSTALLING Remove/install     
1 Perform disable for the high-voltage on-board electrical system   AR54.10-P-1150LF
2 Switch off ignition and remove transmitter key    
3 Remove lower engine compartment paneling   AR61.20-P-1105LF
4 Remove upper engine cover    
5 Remove the left cover in the engine compartment    
6 Remove left intake air duct    
7 Drain air conditioning system INSTALLATION IMPORTANT Only fill air conditioning system after replacing the desiccant cartridge. AR83.30-P-1760LF 
8 Remove electric vacuum pump (11)   AR43.05-P-0001LF
9 Remove left charge air line (2)   AR09.41-P-8620LFA
10 Slacken poly-V-belt (4) and secure tensioning device against turning with rig pin (5)   AR13.20-P-0001LFA
11 Unclip electrical wiring harness with electrical connector (6) from retaining clips (7) and place to one side    
12 Remove screws/bolts (8, 9) and remove bracket (10) TORQUE SPECIFICATION Model 222.163 with engine 276.8Screw/bolt, bracket for electrical vacuum pump to timing case/crankcase *BA43.05-P-1006-01K 
13 Disconnect high-voltage connector (12) at electrical refrigerant compressor (1) and place high-voltage line to one side    
14 Seal high-voltage connector (12) and high-voltage connector socket at electrical refrigerant compressor (1) using protective covers SPECIAL TOOL Set of protective covers Fig 5
15 Remove screw/bolt (arrow) from mount for electrical refrigerant compressor (1) at engine timing case cover TORQUE SPECIFICATION Bolt, refrigerant compressor to timing case/crankcase/engine support *BA83.55-P-1001-01M 
16 Remove screws/bolts (14, 15) TORQUE SPECIFICATION Bolt, refrigerant line to refrigerant compressor *BA83.55-P-1003-01M 
17 Remove refrigerant lines (16) from electrical refrigerant compressor (1)    
18 Seal refrigerant lines (16) and openings at electrical refrigerant compressor (1) using stop plugs and place refrigerant lines (16) to one side SPECIAL TOOL Record plug Figure
19 Brace electrical refrigerant compressor (1) and secure it to prevent it from falling down    
20 Remove screw/bolt (17) TORQUE SPECIFICATION Bolt, refrigerant compressor to timing case/crankcase/engine support *BA83.55-P-1001-01M 
21 Remove screw/bolt (18) TORQUE SPECIFICATION Bolt, refrigerant compressor to timing case/crankcase/engine support *BA83.55-P-1001-01M 
22 Release and disconnect electrical connector (19) at electrical refrigerant compressor (1)    
23 Seal electrical connector (19) and high-voltage connection at electrical refrigerant compressor (1) using protective covers SPECIAL TOOL Set of protective covers Fig 5
24 Remove electrical refrigerant compressor (1) in an upward direction    
25 Install in the reverse order    
26 Install new desiccant cartridge   AR83.30-P-6521LF 
VACUUM PUMP

Number Designation Model 166, 172, 204, 205, 207, 212, 218, 221, 222, 231, 251, 292 with engine 276
BA43.05-P-1006-01K Screw/bolt, bracket for electrical vacuum pump to timing case/crankcase Nm 35
REFRIGERANT COMPRESSOR

Number Designation Engine 276
BA83.55-P-1001-01M Bolt, refrigerant compressor to timing case/crankcase/engine support Nm 20
REFRIGERANT COMPRESSOR

Number Designation Engine 276
BA83.55-P-1003-01M Bolt, refrigerant line to refrigerant compressor Nm 20
Fig 5: Identifying Set Of Protective Covers (001 589 01 91 00)
G11133202Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Record Plug (129 589 00 91 00)
G11133203Courtesy of MERCEDES-BENZ USA