Remove/install Distronic sensor (DTR) - AR30.30-P-1010GQ

MODEL 166.0 with CODE 233 (DISTRONIC PLUS) 

Shows model 166.024 

Fig 1: Identifying Distronic Sensor Remove/Install Components - Shows Model 166.024

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Switch off ignition
2	Remove radiator grille		AR88.40-P-4001GQ
3	Unlock and detach electrical connector (1) on DISTRONIC electric controller unit (A89)
4	Unscrew nuts (2, 4 pieces) and remove DISTRONIC electric controller unit (A89) from strut (3)	The Distronic sensor is integrated into the DISTRONIC electric controller unit (A89) and can only be removed together with this.
5	Install in the reverse order
6	Perform initialization of DISTRONIC electric controller unit (A89) with STAR DIAGNOSIS
			AD00.00-P-2000-04A
		initialization is necessary after: Replacement of or detachment/attachment of the DISTRONIC electric controller unit (A89) Replacement of steering column tube module control unit (N80) Replacement of yaw rate sensor for lateral and longitudinal acceleration (B24/15) Mechanical damage to the DISTRONIC electric controller unit (A89) Accident repair in front area Alterations on the camber, track width, caster or of the level of the vehicle at the front or rear axle
7	Perform calibration with STAR DIAGNOSIS	When replacing the DISTRONIC electric controller unit (A89)
8	Read out fault memory, delete and remove STAR DIAGNOSIS