Remove/Install Radiator Identification Sensor - AR07.04-P-5004MRA

Engine 274 with code 494 (US version) 

Engine 274 with code 945 (China Stage 6 exhaust treatment) 

Shown on cooler in model 205.047 

Fig 1: Radiator Identification Sensor Components Location - Engine 274 With Code 494; 945 (Shown In Model 205.047)

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove
1	Remove radiator	Engine 274 in model 207 with code 494 (US version) Engine 274 in model 207 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865ECM
		Engine 274 in model 212 with code 494 (US version) except code 924 (Bivalent natural gas drive) Engine 274 in model 212 with code 945 (China Stage 6 exhaust treatment) except code 924 (Bivalent natural gas drive) Engine 274 in model 218 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865CW
		Engine 274.9 in model 205 with code 494 (US version) Engine 274.9 in model 205 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865LWB
		Engine 274 in model 172 with code 494 (US version) Engine 274 in model 172 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865MRE
		Engine 274.9 in model 238 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865OLA
		Engine 274 in model 213 with code 494 (US version) Engine 274 in model 213 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865OLC
		Engine 274.9 in model 253 with code 494 (US version) Engine 274.9 in model 253 with code 945 (China Stage 6 exhaust treatment) Release and disconnect electrical connector from radiator sensor for engine diagnosis (B11/15) and unclip electric line from radiator. Radiator sensor for engine diagnosis (B11/15) will otherwise be damaged.	AR20.20-P-3865RF
2	Pry off radiator sensor for engine diagnosis (B11/15) from radiator using suitable tool	Radiator sensor for engine diagnosis (B11/15) must only be replaced once per radiator. Radiator must otherwise also be replaced. Lug at rear of radiator sensor for engine diagnosis (B11/15) breaks during removal and remains in bore (A).
3	Remove residues of radiator sensor for engine diagnosis (B11/15) from bore (A)
	Install
4	Apply thread locking adhesive on lug for bore (B) at new radiator sensor for engine diagnosis (B11/15)	Thread locking adhesive, Loctite 4204	*BR00.45-Z-1146-02A
5	Insert radiator sensor for engine diagnosis (B11/15) into radiator	Pay attention to installation position.
6	Install radiator	Engine 274 in model 207 with code 494 (US version) Engine 274 in model 207 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865ECM
		Engine 274 in model 212 with code 494 (US version) except code 924 (Bivalent natural gas drive) Engine 274 in model 212 with code 945 (China Stage 6 exhaust treatment) except code 924 (Bivalent natural gas drive) Engine 274 in model 218 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865CW
		Engine 274.9 in model 205 with code 494 (US version) Engine 274.9 in model 205 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865LWB
		Engine 274 in model 172 with code 494 (US version) Engine 274 in model 172 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865MRE
		Engine 274.9 in model 238 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865OLA
		Engine 274 in model 213 with code 494 (US version) Engine 274 in model 213 with code 945 (China Stage 6 exhaust treatment)	AR20.20-P-3865OLC
		Engine 274.9 in model 253 with code 494 (US version) Engine 274.9 in model 253 with code 945 (China Stage 6 exhaust treatment) Connect electrical connector of radiator sensor for engine diagnosis (B11/15) and clip electric line onto radiator.	AR20.20-P-3865RF