Remove/install washer fluid reservoir of windshield washer system · ar8235s6000s · Mercedes-Benz WIS

AR82.35-S-6000S

Remove/install washer fluid reservoir of windshield washer system

06.12.2019

Model

636, 639.601/603/605/701/703/705/711/713/811/813/815

Remove/install washer fluid reservoir of windshield washer system

Shown on model 639 with code F46 (Headlamp cleaning system) and code W78 (Window in liftgate or rear-end door with wiper and washer system)

1	Securing bolts
2	Washer fluid reservoir
M5/1	Windshield washer fluid pump
M5/2	HCS pump (with code F46 (Headlamp cleaning system))
M5/3	Rear window washer fluid pump (with code W78 (Window in liftgate or hinged rear door with wiper and washer system))

N82.15-2011-06

 	Remove/install
 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
1	Unclip coolant expansion reservoir from holder and place to one side	Model 636 with engine 272, 646 Model 639 with engine 112, 272, 642, 646, 651	AR20.30-S-4950S
		Model 639.603/703 with engine 780.994 with code MA0 (E-CELL 60 kW) low-temperature circuit, * for Europe only	AR20.30-S-4950EV
2	Remove washer fluid pump (M5/1) and place to one side	 Collect escaping washer fluid. Do not disconnect electrical connector and washer fluid line.
		 Installation: Replace sealing ring on washer fluid reservoir (2).
3	Remove HCS pump (M5/2) and place to one side	Only with code F46 (Headlamp cleaning system)
		 Collect escaping washer fluid. Do not disconnect electrical connector and washer fluid line.
		 Installation: Replace sealing ring on washer fluid reservoir (2).
4	Remove rear window washer fluid pump (M5/3) and place to one side	Only with code W78 (Window in liftgate or rear-end door with wiper and washer system)
		 Collect escaping washer fluid. Do not disconnect electrical connector and washer fluid line.
		 Installation: Replace sealing ring on washer fluid reservoir (2).
5	Remove fill level switch, windshield washer fluid (S42) and place to one side	 Do not disconnect electrical connector.
6	Remove mounting screws (1)
7	Remove washer fluid reservoir (2)
8	Install in the reverse order
	Check
9	Check fluid level of windshield washer system, correct if necessary
			AP82.35-D-8210A
10	Check visually for any leaks
11	Perform function check of windshield washer fluid pump (M5/1), and if necessary rear window washer fluid pump (M5/3) or HCS pump (M5/2)
			AP82.30-S-8252A

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
ap8230s8252a Windshield wipers, windshield washer system and headlamp cleaning system - function check
ap8235d8210a Windshield washer system - inspect fluid level, adjust to correct level
ar2030s4950ev Remove/install expansion reservoir
ar2030s4950s Remove/install expansion reservoir
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)