Remove/install high-voltage line from battery charger to electric motor power electronics · ar5418s5000ev · Mercedes-Benz WIS

AR54.18-S-5000EV

Remove/install high-voltage line from battery charger to electric motor power electronics

03.12.2019

Model	639.603/703 with engine 780.994
	with code MA0 (E-CELL 60 kW)

Remove/install high-voltage line from battery charger to electric motor power
electronics

S54.18-4546-09

Shown on model 639.6 up to vehicle identification number 754075

1	Electrical wiring harness	2	Electrical wiring harness	3	Mounting clip
1.1	Electrical connector	2.1	Electrical connector	4	Mounting clip
1.2	Electrical connector	2.2	Electrical connector	5	Coolant hose

 Danger	Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)	Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.	AS00.00-Z-0035-01A
Topical note	General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system		AH00.00-Z-0300-01A
 	Remove/install
1	Open engine hood and secure against falling down
2	Perform disable for the high-voltage on-board electrical system		AR54.10-S-1160EV
3	Unclip retaining clip (3) at electrical wiring harness (1) or at electrical wiring harness (2)
4	Remove retaining clip (4) at coolant hose (5)	When removing electrical wiring harness (2).
		 Installation: Check retaining clip (4) for damage, replace if necessary.
5.1	Release and disconnect electrical connector (1.2)	When removing electrical wiring harness (1).
		 Cover electrical connections with  protective covers.
		 Set of protective caps	*001589009100
		 Set of protective covers	*001589019100
5.2	Release and disconnect electrical connector (2.2)	When removing electrical wiring harness (2).
		 Cover electrical connections with  protective covers.
		 Set of protective caps	*001589009100
		 Set of protective covers	*001589019100
6.1	Disconnect electrical connector (1.1) from DC/AC converter control unit	When removing electrical wiring harness (1).
			AR54.00-S-0050-01EV
		 Cover electrical connections with  protective covers.
		 Set of protective covers	*001589019100
6.2	Disconnect electrical connector (2.1) at DC/AC converter control unit	When removing electrical wiring harness (2).
			AR54.00-S-0050-01EV
		 Cover electrical connections with  protective covers.
		 Set of protective covers	*001589019100
7	Remove electrical wiring harness (1 or 2)
	Check
8	Check electrical wiring harness (1 or 2) for damage	 If necessary, replace electrical wiring harness (1 or 2).
9	Install in the reverse order

001 589 01 91 00

Set of protective covers

001 589 00 91 00

Set of protective caps

Referenced documents

ah0000z030001a General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment
ar5400s005001ev Disconnect electrical connector
ar5410s1160ev Disable/enable high-voltage system
as0000z003501a Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)