Removing and installing hot film mass air flow sensor - AR07.07-P-1453E

ENGINE 119.981 /982 /985 

Fig 1: Identifying Connecting Hose, Hot Film MAF Sensor, Hose Clip, IAT Sensor And Installation Lug

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Figure/Item, etc	Work instructions
Installation	Coupling for hot film MAF sensor (B2/5)	Tighten union nut until it engages
B17	Intake air temperature sensor	Check O-ring and replace if necessary
31	Connecting hose	Replace if necessary Observe installed position (arrow) of connecting hose/hot film MAF sensor (B2/5)
32	Hose clip	Loosen, tighten	*WH58.30-Z-1002-06A

Commercially available tools

Number	Designation
WH58.30-Z-1002-06A	7 mm socket hexagon on flexible shaft for hose clamps with worm drive