Remove/install electronic stability program (ESP) control unit - AR42.45-P-0820GW

MODEL 463 as of model year 2013/facelift 2012 

Fig 1: Electronic Stability Program Control Unit Remove/Install Components

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 traction system hydraulic unit (A7/3)		AR42.45-P-0817GW
3	Remove bolts (2)	Maintain torque exactly! High torque values result in damage to the Premium Electronic Stability Program control unit (N30/7); low torque values result in poor contact between the contact surfaces. Replace bolts (2).
			*BA42.45-P-1002-01N
4	Detach Premium Electronic Stability Program control unit (N30/7) from traction system hydraulic unit (A7/3) and take out	Do not touch the contact areas and sealing silicon with your hand or a tool. Damage will occur otherwise.
5	Remove O-rings (3) of the valve dome (4) by hand	Do not use tools. Otherwise the traction system hydraulic unit (A7/3) may be damaged.
	Clean
11	Clean sealing surface on traction system hydraulic unit (A7/3)	Cleaner from package	*BR00.45-Z-1028-04A
12	Install in the reverse order
13	Perform calibration on Electronic Stability Program control unit (N30/4) or Premium Electronic Stability Program control unit (N30/7) using Star Diagnosis		AD00.00-P-2000-04A

ELECTRONIC STABILITY PROGRAM (ESP)

Number	Designation		Model 463
BA42.45-P-1002-01N	Bolt, ESP control unit to traction system hydraulic unit	Nm	4

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1028-04A	Cleaner from package	Adolf Wurth GmbH & Co. KG