Starter - Revision history

Masood at 21:25, 24 March 2022

2022-03-24T21:25:18Z

← Older revision		Revision as of 21:25, 24 March 2022
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	* Nut, connection for circuit 50: 6 Nm		* Nut, connection for circuit 50: 6 Nm
	* Bolt of starter to crankcase: 42 Nm		* Bolt of starter to crankcase: 42 Nm

			===(S350/S430/S500)===

			This video shows how to remove the Starter from a W220:

			{\|
			\|{{#ev:youtube\|https://youtu.be/2lrYYx6HK-c\|320\|center\|W220 Starter Replacement (By Masood)\|frame}}
			\|}

	===4Matic (S350/S430/S500)===		===4Matic (S350/S430/S500)===

2019-07-23T21:40:00Z

Design: B+ battery connection

← Older revision		Revision as of 21:40, 23 July 2019
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	The voltage for the starter relay (coil) is supplied through circuit 87.		The voltage for the starter relay (coil) is supplied through circuit 87.
	The starter relay is actuated by the engine control unit through GND.		The starter relay is actuated by the engine control unit through GND.

			''Starter is connected to battery (B+) through front [[fuses\|prefuse]]. According to wiring diagram the wire is unfused.''

	===Function===		===Function===

2017-08-28T13:27:39Z

Starter relay: link to fuses page

← Older revision		Revision as of 13:27, 28 August 2017
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	When key is turned to start the engine the ignition switch module sends a CAN message to the engine management controller (N3/10) to start the engine; N3/10 then energizes the starter relay that switches power to the motor starter solenoid.		When key is turned to start the engine the ignition switch module sends a CAN message to the engine management controller (N3/10) to start the engine; N3/10 then energizes the starter relay that switches power to the motor starter solenoid.

	Starter relay (K40/7kL) is located in engine compartment, right rear, inside right front fuse and relay module.		Starter relay (K40/7kL) is located in engine compartment, right rear, inside [[fuses\|right front fuse and relay module]].

	[[File:W220_starter_relay_location.jpg]]		[[File:W220_starter_relay_location.jpg]]

2017-02-24T10:28:29Z

update

2017-02-23T11:22:40Z

Starter relay: note about damaging motor

← Older revision		Revision as of 11:22, 23 February 2017
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	Simple relay test: locate the starter relay and touch it while someone turns the key to see if you can feel it energizing (clicking).		Simple relay test: locate the starter relay and touch it while someone turns the key to see if you can feel it energizing (clicking).

	Relay bypass test: remove the relay and connect the relay sockets #30 and #87 with a wire, and turn the key on: this should engage the starter motor.		Relay bypass test: remove the relay and connect the relay sockets #30 and #87 with a wire,
			and turn the key on: this should engage the starter motor.
			Make sure to remove the jumper wire after the engine has been started, otherwise it may damage the starter motor).

	{\|		{\|
	\|{{#ev:youtube\|https://www.youtube.com/watch?v=mNAU8F-WSdY\|320\|left\|Starter relay diagnosis.\|frame}}		\|{{#ev:youtube\|https://www.youtube.com/watch?v=mNAU8F-WSdY\|320\|left\|Starter relay diagnosis.\|frame}}
	\|}		\|}

2017-02-22T22:41:24Z

S320 CDI (2003-2006)

← Older revision		Revision as of 22:41, 22 February 2017
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	{\|		{\|
	\|[[File:~~W220_Remove_install_starter_S320_CDI_1~~.jpg]]		\|[[File:W220_Remove_install_starter_S320_CDI_2.jpg]]
	\|		\|
	* 1 - Terminal 30		* 1 - Terminal 30

2017-02-22T22:33:09Z

Starter relay

← Older revision		Revision as of 22:33, 22 February 2017
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	[[File:W220_starter_relay_location.jpg]]		[[File:W220_starter_relay_location.jpg]]

			Simple relay test: locate the starter relay and touch it while someone turns the key to see if you can feel it energizing (clicking).

			Relay bypass test: remove the relay and connect the relay sockets #30 and #87 with a wire, and turn the key on: this should engage the starter motor.

	{\|		{\|
	\|{{#ev:youtube\|https://www.youtube.com/watch?v=mNAU8F-WSdY\|320\|left\|Starter relay diagnosis.\|frame}}		\|{{#ev:youtube\|https://www.youtube.com/watch?v=mNAU8F-WSdY\|320\|left\|Starter relay diagnosis.\|frame}}
	\|}		\|}

2017-02-22T22:06:29Z

Starter relay

← Older revision		Revision as of 22:06, 22 February 2017
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	== Starter relay ==		== Starter relay ==

			When key is turned to start the engine the ignition switch module sends a CAN message to the engine management controller (N3/10) to start the engine; N3/10 then energizes the starter relay that switches power to the motor starter solenoid.

			Starter relay (K40/7kL) is located in engine compartment, right rear, inside right front fuse and relay module.

			[[File:W220_starter_relay_location.jpg]]

	{\|		{\|
	\|{{#ev:youtube\|https://www.youtube.com/watch?v=mNAU8F-WSdY\|320\|left\|Starter relay diagnosis.\|frame}}		\|{{#ev:youtube\|https://www.youtube.com/watch?v=mNAU8F-WSdY\|320\|left\|Starter relay diagnosis.\|frame}}
	\|}		\|}

2017-02-22T21:58:29Z

Remove starter, install

← Older revision		Revision as of 21:58, 22 February 2017
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	== Remove starter, install ==		== Remove starter, install ==
			<!-- http://www.benzworld.org/forums/w220-s-class/2726905-diy-remove-install-starter-all-w220.html -->
	The complexity of starter removal depends on model (see below for more details):		The complexity of starter removal depends on model (see below for more details):
	* In case of [[4Matic]] complete exhaust system has to be removed.		* In case of [[4Matic]] complete exhaust system has to be removed.

2017-02-22T21:57:11Z

S400 CDI

← Older revision		Revision as of 21:57, 22 February 2017
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	# Lower front axle carrier		# Lower front axle carrier
	# Remove fan shroud		# Remove fan shroud
	# Remove right catalytic converter		# '''Remove right catalytic converter'''
	# Remove bottom right charge air pipe (1). Do not detach bottom charge air pipe (1) from charge air hose. Place released bottom charge air pipe (1) only to the side. Installation: Attach bottom charge air pipe (1) with new sealing ring to the turbocharger.		# Remove bottom right charge air pipe (1). Do not detach bottom charge air pipe (1) from charge air hose. Place released bottom charge air pipe (1) only to the side. Installation: Attach bottom charge air pipe (1) with new sealing ring to the turbocharger.
	# Remove protective cap and dismount electrical line circuit 50 (2) and electrical line circuit 30 (3) at starter (M1)		# Remove protective cap and dismount electrical line circuit 50 (2) and electrical line circuit 30 (3) at starter (M1)