Remove/Install Control Unit Of Distance Warning Function With Radar Sensor - AR30.30-P-0016SR

MODEL 453 

with CODE 252 (Distance warning function) 

Courtesy of MERCEDES-BENZ USA

	Notes on preventing damage to electronic components due to a magnetic tool		AH54.00-P-0002-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Perform an commissioning of the AWF controller unit with radar sensor (A89)	When replacing the controller unit for distance warning function with radar sensor (A89)	AD00.00-P-2000-06SR
2	Remove front bumper	Engine 281 in model 453.3/4 with code 252 (Distance warning function)	AR88.20-P-2000SRA
		Engine 281 in model 453.0 with code 252 (Distance warning function)	AR88.20-P-2000SR
3	Remove screw/bolts (1)
4	Remove AWF controller unit with radar sensor (A89) with the bracket (3) and disconnect electrical connection (2)	: Ensure that electrical wiring harness is routed correctly.
5	Remove the bracket (3) from the AWF controller unit with radar sensor (A89)	When replacing the controller unit for distance warning function with radar sensor (A89)
6	Install in the reverse order