Remove, install tumble flap position sensor to intake manifold - AR09.20-P-1995GZA (ML350, ML550, GL450, GL550)

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ENGINE 272, 273 in MODEL 164, 251

Fig 1: Identifying Tumble Flap Position Sensor To Intake Manifold Remove/Install Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Remove air filter housing		AR09.10-P-1150GZA
2	Release and disconnect electrical connector (1) at left intake manifold tumble flap position sensor (B28/9) or right intake manifold tumble flap position sensor (B28/10)
3	Remove bolt (2)		*BA09.20-P-1002-01N
4	Remove left intake manifold tumble flap position sensor (B28/9) or right intake manifold tumble flap position sensor (B28/10) from the resonance intake manifold (3)	Installation: Replace the gaskets.
5	Install in the reverse order
6	Connect STAR DIAGNOSIS and read fault memory	Stored faults which may be caused by disconnecting cables or by simulation during test operations, must be erased in the fault memory after completing the work.	AD00.00-P-2000-04A

INTAKE MANIFOLD

Number	Designation		Engine 272	Engine 273
BA09.20-P-1002-01N	Bolt connecting tumble flap position sensor to resonance intake manifold	Nm	6	6