Remove/Install Gateway Powertrain Control Unit - AR54.21-P-0026ME

Model 167 

MODIFICATION NOTES

27.09.2021

Screw, drivetrain control unit to bracket

BA08.20-P-1001-01K

Fig 1: Gateway Powertrain Control Unit Components Location - Model 167

Courtesy of MERCEDES-BENZ USA

Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Perform commissioning of the powertrain control unit (N127).	If the powertrain control unit (N127) is being replaced.
			AD00.00-P-2000-06ME
2	Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).
3	Remove bottom trim for instrument panel on front passenger side.		AR68.10-P-1502ME
4	Remove front door sill on passenger side.		AR68.30-P-4100ME
5	Release and disconnect electrical connectors from powertrain control unit (N127).	Installation: Make sure that the electrical connectors engage correctly.
6	Unscrew bolt (1).	Screw, drivetrain control unit to bracket	*BA08.20-P-1001-01K
7	Unlock lock (2) and remove powertrain control unit (N127).
8	Install in the reverse order.

CONTROL UNITS

Number	Designation		Model 167 with transmission 725.0	Model 167 with transmission 725.1
BA08.20-P-1001-01K	Screw, drivetrain control unit to bracket	Nm	4	4