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Home >> Mercedes Benz >> 2019 >> B250 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 246 Chassis >> Testing & Repair >> Correct oil level in air conditioning system in the event of repair or slow refrigerant loss - AR83.30-P-5251NKB

Correct oil level in air conditioning system in the event of repair or slow refrigerant loss - AR83.30-P-5251NKB

MODEL 117, 156, 176, 231, 242, 246 

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. Do not 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
NOTES Protect air conditioning circuit and components from moisture when carrying out repair work   AH83.30-P-0005-01A
NOTES Procedure for a damaged or leaky air conditioning system   AH83.30-N-0004-01A
IMPORTANT Notes on handling refrigerant R134a   AH83.30-N-0003-01A
IMPORTANT Notes on handling refrigerant R1234yf   AH83.30-P-0003-02A
  Draining     
1 Connect air conditioning service unit and drain air conditioning system (recycling) MODEL 117, 156, 176, 231, 242, 246
without CODE 2U8 (Refrigerant R-1234yf)		 AR83.30-P-1760NKB 
MODEL 176, 231, 246
with CODE 2U8 (Refrigerant R-1234yf)		 AR83.30-P-1760YF 
MEASURING Measure     
2 Determine refrigerant loss IMPORTANT Compare quantity of refrigerant evacuated with specified refrigerant capacity.  
FLUID SPECIFICATION
MODEL 117 with ENGINE 133
MODEL 117 with ENGINE 270, 651
MODEL 156 with ENGINE 133
MODEL 156 with ENGINE 270, 607, 651
MODEL 176 with ENGINE 133
MODEL 176 with ENGINE 270, 607, 651
MODEL 231
MODEL 242 with ENGINE 270
MODEL 242 with ENGINE 780
MODEL 246 with ENGINE 270, 651		 *BF83.00-P-1001-01K 
FLUID SPECIFICATION
MODEL 176 with ENGINE 270, 607, 651
MODEL 231
MODEL 246 with ENGINE 270, 651		 *BF83.00-P-1002-01K 
INSPECT Check     
3 Check air conditioning system for leakage MODEL 117, 156, 176, 231, 242, 246
without CODE 2U8 (Refrigerant R-1234yf)		 AR83.30-P-1761NKU 
MODEL 176, 231, 246
with CODE 2U8 (Refrigerant R-1234yf)		 AR83.30-P-1761NKP 
  Filling     
4 Install new desiccant cartridge MODEL 231 AR83.30-P-6521RK
MODEL 117, 156, 176, 242, 246 AR83.30-P-6521NKB 
5 Evacuating, filling air conditioning system MODEL 176, 231, 246
with CODE 2U8 (Refrigerant R-1234yf)		 AR83.30-P-1760YF 
MODEL 117, 156, 176, 231, 242, 246
without CODE 2U8 (Refrigerant R-1234yf)
IMPORTANT Add evacuated quantity of refrigerant oil to the refrigerant circuit again when filling the air conditioning (new compressor oil).
Note refrigerant oil quantity after replacing components.
↓		 AR83.30-P-1760NKB 
Correct refrigerant oil quantity in air conditioning system after replacing parts AR83.30-P-5252NKB 
FLUID SPECIFICATION
MODEL 117 with ENGINE 270, 607, 651
without CODE 2U8 (Refrigerant R-1234yf)
MODEL 156 with ENGINE 270, 607, 651
without CODE 2U8 (Refrigerant R-1234yf)
MODEL 176 with ENGINE 270, 651
with CODE 2U8 (Refrigerant R-1234yf)
MODEL 176 with ENGINE 270, 651
without CODE 2U8 (Refrigerant R-1234yf)
MODEL 231 with ENGINE 157, 276, 278
with CODE 2U8 (Refrigerant R-1234yf)
MODEL 231 with ENGINE 157, 276, 278
without CODE 2U8 (Refrigerant R-1234yf)
MODEL 242 with ENGINE 270.920
without CODE 2U8 (Refrigerant R-1234yf)
MODEL 242 with ENGINE 780
without CODE 2U8 (Refrigerant R-1234yf)
MODEL 246 with ENGINE 270, 651
with CODE 2U8 (Refrigerant R-1234yf)
MODEL 246 with ENGINE 270, 651
without CODE 2U8 (Refrigerant R-1234yf)		 *BF83.55-P-1009-01L 
FLUID SPECIFICATION
MODEL 117 with ENGINE 133
MODEL 117 with ENGINE 270, 651
MODEL 156 with ENGINE 133
MODEL 156 with ENGINE 270, 607, 651
MODEL 176 with ENGINE 133
MODEL 176 with ENGINE 270, 607, 651
MODEL 231
MODEL 242 with ENGINE 270
MODEL 242 with ENGINE 780
MODEL 246 with ENGINE 270, 651		 *BF83.00-P-1001-01K 
FLUID SPECIFICATION
MODEL 176 with ENGINE 270, 607, 651
MODEL 231
MODEL 246 with ENGINE 270, 651		 *BF83.00-P-1002-01K 
AIR CONDITIONING/AUTOMATIC AIR CONDITIONING

Number Designation MODEL 117 with ENGINE 133 MODEL 117 with ENGINE 270, 607, 651
BF83.00-P-1001-01K Filling capacity - air conditioning/automatic air conditioning Refrigerant R134a g 670 650
Specification MB 361.0 refrigerant R 134a A 000 989 03 48 MB 361.0 refrigerant R 134a A 000 989 03 48
AIR CONDITIONING/AUTOMATIC AIR CONDITIONING

Number Designation MODEL 156 with ENGINE 133 MODEL 156 with ENGINE 270, 607, 651
BF83.00-P-1001-01K Filling capacity - air conditioning/automatic air conditioning Refrigerant R134a g 670 650
Specification MB 361.0 refrigerant R 134a A 000 989 03 48 MB 361.0 refrigerant R 134a A 000 989 03 48
AIR CONDITIONING/AUTOMATIC AIR CONDITIONING

Number Designation MODEL 176 with ENGINE 133 MODEL 176 with ENGINE 270, 607, 651
BF83.00-P-1001-01K Filling capacity - air conditioning/automatic air conditioning Refrigerant R134a g 670 650
Specification MB 361.0 refrigerant R 134a A 000 989 03 48 MB 361.0 refrigerant R 134a A 000 989 03 48
AIR CONDITIONING/AUTOMATIC AIR CONDITIONING

Number Designation MODEL 231 MODEL 242 with ENGINE 270
BF83.00-P-1001-01K Filling capacity - air conditioning/automatic air conditioning Refrigerant R134a g 550 650
Specification MB 361.0 refrigerant R 134a A 000 989 03 48 MB 361.0 refrigerant R 134a A 000 989 03 48
AIR CONDITIONING/AUTOMATIC AIR CONDITIONING

Number Designation MODEL 242 with ENGINE 780 MODEL 246 with ENGINE 270, 607, 651
BF83.00-P-1001-01K Filling capacity - air conditioning/automatic air conditioning Refrigerant R134a g 720 650
Specification MB 361.0 refrigerant R 134a A 000 989 03 48 MB 361.0 refrigerant R 134a A 000 989 03 48
AIR CONDITIONING/AUTOMATIC AIR CONDITIONING

Number Designation MODEL 176 with ENGINE 270, 607, 651 MODEL 231
BF83.00-P-1002-01K Filling capacity - air conditioning/automatic air conditioning Refrigerant R1234yf g 650 550
AIR CONDITIONING/AUTOMATIC AIR CONDITIONING

Number Designation MODEL 246 with ENGINE 270, 607, 651
BF83.00-P-1002-01K Filling capacity - air conditioning/automatic air conditioning Refrigerant R1234yf g 650
REFRIGERANT COMPRESSOR

Number Designation MODEL 117 Air conditioning system with refrigerant R134a Model 156 Air conditioning system with refrigerant R134a
BF83.55-P-1009-01L Additional oil filling quantity in case of detectable leakage Compressor oil cm3 20 20
Specification MB 362.0 compressor oil A 001 989 08 03 MB 362.0 compressor oil A 001 989 08 03
REFRIGERANT COMPRESSOR

Number Designation MODEL 176 Air conditioning system with refrigerant R134a MODEL 176 Air conditioning system with refrigerant R-1234yf
BF83.55-P-1009-01L Additional oil filling quantity in case of detectable leakage Compressor oil cm3 20 20
Specification MB 362.0 compressor oil A 001 989 08 03 MB 362.1 refrigerant compressor oil (Specification 362.1). See https://bevo.mercedes-benz.com/index.php?language_id=1
REFRIGERANT COMPRESSOR

Number Designation MODEL 231 Air conditioning system with refrigerant R134a MODEL 231 Air conditioning system with refrigerant R-1234yf
BF83.55-P-1009-01L Additional oil filling quantity in case of detectable leakage Compressor oil cm3 20 20
Specification MB 362.0 compressor oil A 001 989 08 03 MB 362.1 refrigerant compressor oil (Specification 362.1). See https://bevo.mercedes-benz.com/index.php?language_id=1
REFRIGERANT COMPRESSOR

Number Designation MODEL 242 Air conditioning system with refrigerant R134a MODEL 246 Air conditioning system with refrigerant R134a
BF83.55-P-1009-01L Additional oil filling quantity in case of detectable leakage Compressor oil cm3 20 20
Specification MB 362.0 compressor oil A 001 989 08 03 MB 362.0 compressor oil A 001 989 08 03
REFRIGERANT COMPRESSOR

Number Designation MODEL 246 Air conditioning system with refrigerant R-1234yf
BF83.55-P-1009-01L Additional oil filling quantity in case of detectable leakage Compressor oil cm3 20
Specification MB 362.1 refrigerant compressor oil (Specification 362.1). See https://bevo.mercedes-benz.com/index.php?language_id=1
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