Remove/install ETS/ASR/ESP(R) hydraulic unit · ar4240p0816mfa · Mercedes-Benz WIS

AR42.40-P-0816MFA

Remove/install ETS/ASR/ESP(R) hydraulic unit

06.03.2020

Model

118, 177, 247

Modification notes

15.01.2020

Document completely revised.

Remove/install ETS/ASR/ESP(R) hydraulic unit

P42.40-2049-09

Shown on model 177 with engine 260 (engine removed)

1	Hydraulic unit		6	Bracket
5	Nuts		N30/4	Electronic Stability Program control unit

P42.40-A004-09

Shown on model 177 with engine 282 with code ME08 (Hybrid drive 75-84 KW VARIANT (INCLUDING PLUG-IN))

1	Hydraulic unit		6	Bracket		8	Elastomer bearing
5	Nuts		7	Brake lines		N30/4	Electronic Stability Program control unit

 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.Model 177, 247 with engine 282 with code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))	AS00.00-Z-0035-01A
 Danger	Risk of accident when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work.	Before starting the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system.	AS42.50-Z-0002-01A
 Caution	Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
 Caution	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Topical note	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	Model 177, 247 with engine 282 with code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))	AH00.00-Z-0300-01A
Topical note	Notes on repairs to brake system		AH42.00-P-0003-01A
Topical note	Brake fluid notes		AH42.50-P-0001-01A
Topical note	Notes on externally invisible brake fluid loss		AH42.10-P-9406-02A
Topical note	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
1	Disconnect ground line of on-board electrical system battery (G1).		AR54.10-P-0003MFA
2.1	Remove the coolant expansion reservoir.	Model 177, 247 with engine 282 with code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
			AR08.50-P-2478MFH
2.2	Remove heat shield for firewall far enough until hydraulic unit (1) is accessible.	Model 118 with engine 282 Model 118, 177, 247 with engine 139 Model 118, 177, 247 with engine 260 Model 118, 177, 247 with engine 608 Model 118, 177, 247 with engine 654 Model 177, 247 with engine 282 except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
		Model 118, 177, 247 with engine 260	AR49.10-P-0001MFC
		Model 118 with engine 282 Model 177, 247 with engine 282 except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))	AR49.10-P-0001MFD
		Model 118, 177, 247 with engine 608	AR49.10-P-0001MFE
		Model 118, 177, 247 with engine 654	AR49.10-P-0001MFF
		Model 118, 177, 247 with engine 139	AR49.10-P-0001MFG
3	Clean hydraulic unit (1).	 Before opening the hydraulic unit (1), the area around the separation points must be thoroughly cleaned. Otherwise minute dirt particles in the hydraulic components will result in malfunctions and total failure of the hydraulic unit (1).
		 Only use clean, lint free rags and cleaner free of mineral oil. Do not use any compressed air for cleaning when the brake system is open.
		Assembly cleaner	*BR00.45-Z-1028-04A
4	Release and disconnect electrical connector at ESP® control unit (N30/4).		AR42.45-P-0001-01MFA
5	Cover painted surfaces in the repair area.	 Protect painted surfaces from brake fluid. Otherwise damage will be caused by escaping brake fluid.
6	Mark brake lines (7) relative to hydraulic unit (1).
7	Remove brake lines (7) from hydraulic unit (1).	 Do not kink or crush brake lines (7). Otherwise the brake lines (7) will be damaged.
		 Adapter coupling	*001589001600
		 Box wrench bit	*140589000300
8	Seal brake lines (7) using suitable stop plugs.	 Seal brake lines (7). Otherwise foreign objects can enter and cause damage to the hydraulic unit (1).
		 Record plug	*129589009100
9	Seal connections of hydraulic unit (1) using suitable stop plugs.	 Seal connections on hydraulic unit (1). Otherwise foreign objects can enter and cause damage to the hydraulic unit (1).
		 Record plug	*129589009100
10	Loosen nuts (5).
11	Remove hydraulic unit (1) from holder (6).
	Check
12	Check elastomer bearing (8) for damage.	If damage is visible:
		
		Replace holder (6).
		 Nut, hydraulic unit bracket to body	*BA42.45-P-1002-01Q
13	Check elastomer bearings on hydraulic unit (1) for damage.	If damage is visible,
		
		Replace hydraulic unit (1).
	Install
14	Coat elastomer bearing (8) and elastomer bearings on hydraulic unit (1) with lubricant.	Lubricant, rubber assembly 1 l	*BR00.45-Z-1010-06A
15	Attach hydraulic unit (1) to holder (6).	 Note installation position of hydraulic unit (1) in holder (6).
16	Tighten nuts (5).	 Mounting for hydraulic unit to holder	*BA42.45-P-1001-01Q
17.1	Remove stop plugs from connections of hydraulic unit (1).	If hydraulic unit (1) is to be reused.
		 Record plug	*129589009100
17.2	Remove screw plugs from connections of hydraulic unit (1).	If the hydraulic unit (1) is to be replaced.
18	Remove stop plugs from brake lines (7).	 Record plug	*129589009100
19	Position brake lines (7) on hydraulic unit (1).	 Route brake lines (7) free of tension and chafing. Otherwise the brake lines (7) will be damaged.
		 Observe markings.
20	Attach brake lines (7) to hydraulic unit (1).
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
		 Retaining screw, brake line to hydraulic unit	*BA42.10-P-1001-04Q
		 Adapter coupling	*001589001600
		 Box wrench bit	*140589000300
21	Connect and lock electrical connector at Electronic Stability Program control unit (N30/4).		AR42.45-P-0001-01MFA
22	Remove covers from painted surfaces.
23.1	Install coolant expansion reservoir.	Model 177, 247 with engine 282 with code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
			AR08.50-P-2478MFH
23.2	Attach heat shield for firewall.	Model 118 with engine 282 Model 118, 177, 247 with engine 139 Model 118, 177, 247 with engine 260 Model 118, 177, 247 with engine 608 Model 118, 177, 247 with engine 654 Model 177, 247 with engine 282 except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
		Model 118, 177, 247 with engine 260	AR49.10-P-0001MFC
		Model 118 with engine 282 Model 177, 247 with engine 282 except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))	AR49.10-P-0001MFD
		Model 118, 177, 247 with engine 608	AR49.10-P-0001MFE
		Model 118, 177, 247 with engine 654	AR49.10-P-0001MFF
		Model 118, 177, 247 with engine 139	AR49.10-P-0001MFG
24	Attach ground line of the on-board electrical system battery (G1).		AR54.10-P-0003MFA
25	Bleed brake system.		AR42.10-P-0010MFA
26	Perform commissioning of Electronic Stability Program control unit (N30/4) using diagnostic system.
			AD00.00-P-2000-06MFA
	Check
27	Perform brake test on test stand.
			AP42.00-P-4290BA

 Brake lines

Number	Designation		Model 118	Model 177
BA42.10-P-1001-04Q	Retaining screw, brake line to hydraulic unit	Nm	16	16

 Brake lines

Number	Designation		Model 247
BA42.10-P-1001-04Q	Retaining screw, brake line to hydraulic unit	Nm	16

 Electronic Stability Program (ESP)

Number	Designation		Model 118	Model 177
BA42.45-P-1001-01Q	Mounting for hydraulic unit to holder	Nm	8	8

 Electronic Stability Program (ESP)

Number	Designation		Model 243, 247
BA42.45-P-1001-01Q	Mounting for hydraulic unit to holder	Nm	8

 Electronic Stability Program (ESP)

Number	Designation			Model 118	Model 177
BA42.45-P-1002-01Q	Nut, hydraulic unit bracket to body	M6	Nm	10	10

 Electronic Stability Program (ESP)

Number	Designation			Model 243, 247
BA42.45-P-1002-01Q	Nut, hydraulic unit bracket to body	M6	Nm	10

001 589 00 16 00

Adapter coupling

129 589 00 91 00

Record plug

140 589 00 03 00

Box wrench bit

Repair materials

Number	Designation	Order number
BR00.45-Z-1010-06A	Lubricant, rubber assembly 1 l	A 000 989 03 67
BR00.45-Z-1028-04A	Assembly cleaner	A 000 986 56 01

Powiązane dokumenty

ad0000p200006mfa
ah0000p001501cw Wskazówka dotycząca obliczania momentu dokręcania przy stosowaniu narzędzi o różnej długości dźwigni
ah0000z001901a Wskazówki dotyczące elementów wpływających na bezpieczeństwo
ah0000z030001a Ogólne wskazówki dotyczące pojazdów z instalacją wysokiego napięcia i/lub akumulatorem litowo-jonowym i/lub gazowym systemem napędu oraz osobistego wyposażenia ochronnego
ah4200p000301a Wskazówki dotyczące napraw układu hamulcowego
ah4210p940602a Wskazówki dotyczące postępowania przy niewidocznych z zewnątrz ubytkach płynu hamulcowego
ah4250p000101a Wskazówki dotyczące płynu hamulcowego
ah5400p000101a Wskazówki dotyczące zapobiegania uszkodzeniom elementów elektronicznych na skutek rozładowania potencjału elektrostatycznego
ap4200p4290ba Test hamulców
ar0850p2478mfh
ar4210p0010mfa
ar4245p000101mfa
ar4910p0001mfc
ar4910p0001mfd
ar4910p0001mfe
ar4910p0001mff
ar4910p0001mfg Demontaż i montaż osłony termicznej przy przegrodzie przedniej
ar5410p0003mfa
as0000z001701a Niebezpieczeństwo obrażeńo elementy pojazdu o ostrych krawędziach.
as0000z003501a Zagrożenie życia podczas prac przy elementach i systemach U >=30 V napięcie zmienne (AC) bądź U >=60 V napięcie zmienne
as4250z000101a Niebezpieczeństwo zatrucia na skutek połknięcia płynu hamulcowego. Niebezpieczeństwo zranienia wskutek kontaktu skóry i oczu z płynem hamulcowym
as4250z000201a Niebezpieczeństwo wypadku podczas uruchamiania pojazdu na skutek zaniku działania hamulców przy pierwszym naciśnięciu hamulca zasadniczego po przeprowadzeniu prac naprawczych.