N47/5 (a2095453032) Schematic(Retrofit parameter steering wheel)
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Newbie
Joined: Jan 2020
Posts: 3
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From: Crete
w203
N47/5 (a2095453032) Schematic(Retrofit parameter steering wheel)
Hello guys this is my first post in the forum!
I have retrofitted the steering wheel with the valve for parameter steering wheel and my problem is that im searching the schematic for the ESP module so I can connect the valve with the ESP without changing the hole wiring harness has anybody have it or know where I can find it?
Thank you!
I have retrofitted the steering wheel with the valve for parameter steering wheel and my problem is that im searching the schematic for the ESP module so I can connect the valve with the ESP without changing the hole wiring harness has anybody have it or know where I can find it?
Thank you!
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From: WNY
2005 w203 C230
Newbie
Joined: May 2021
Posts: 8
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From: Greece, Athens
cl203
Retrofit
Good evening Manos. I'm interested in making my hanger electro-hydraulic. Can you help me with exactly what it takes to make it happen? IF I am not mistaken, I need an electro-hydraulic hanger, a wiring connected to the esp unit from the rack and a change of esp unit with the code 213. Am I in the right direction or am I missing something? And then of course coding with the diagnostic. Your every help would be invaluable to me. Thank you in advance. Andrew
Last edited by Andreas Koutsof; May 7, 2021 at 06:41 AM.
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MBWorld Fanatic!
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C320
Rather than going to all the trouble of retrofittibg parameter steering, your PS pump might just be weak. The PS pumps fitted to this era cars has a habit of losing pressure especially if it spent a lot of time at full lock. The pump has a bypass valve to divert pressure away from the rack when you're at full steering lock. That valve can get stuck permanently and then your steering becomes way too heavy. Even without parameter steering these cars didn't not have very heavy steering when they were new.
Early w203s (01-04) had 3.3 turns lock to lock. 05+ they got a quicker 2.8 turn rack. The parameter steering rack found on the w209 was 3.0 turns. I'm just retrofitting a 2.8 turn rack and a new ML pump (higher pressure).
Early w203s (01-04) had 3.3 turns lock to lock. 05+ they got a quicker 2.8 turn rack. The parameter steering rack found on the w209 was 3.0 turns. I'm just retrofitting a 2.8 turn rack and a new ML pump (higher pressure).
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Newbie
Joined: May 2021
Posts: 8
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From: Greece, Athens
cl203
Thanks for the answer tj. I don't have any issues with the pump. I just want to make this retrofit, cause driving in the city of Athens, Greece is a bit annoying with a hydraulic pump only. I drive other cars too with electric-hydraulic steering wheels and then getting to mine feels a lot heavier and in parking is way heavier than electrohydraulic steering. So this is the reason that i want to retrofit it.
MBWorld Fanatic!
Joined: May 2017
Posts: 2,290
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C320
Thanks for the answer tj. I don't have any issues with the pump. I just want to make this retrofit, cause driving in the city of Athens, Greece is a bit annoying with a hydraulic pump only. I drive other cars too with electric-hydraulic steering wheels and then getting to mine feels a lot heavier and in parking is way heavier than electrohydraulic steering. So this is the reason that i want to retrofit it.
Newbie
Joined: May 2021
Posts: 8
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From: Greece, Athens
cl203
1. I ordered the steering rack and pinion with the valve.
2. Ordered the esp with the option 213pml
3. Ordered the wiring from the solenoid valve.
I understand, as I read here in another topic, that i am missing some wires with plugs that need to connect from the wiring of solenoid valve to the esp module. Do i understand right?
What needs to be programmed after these installs? Do i have to update sa card so that programming can be done? What needs to be programmed?
Last edited by Andreas Koutsof; May 23, 2021 at 04:01 AM.
Junior Member
Joined: Apr 2021
Posts: 19
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2014 E250
Hello Sunman and welcome back. I can't find something related with your nickname and this retrofit but here is my latest moves i made.
1. I ordered the steering rack and pinion with the valve.
2. Ordered the esp with the option 213pml
3. Ordered the wiring from the solenoid valve.
I understand, as I read here in another topic, that i am missing some wires with plugs that need to connect from the wiring of solenoid valve to the esp module. Do i understand right?
What needs to be programmed after these installs? Do i have to update sa card so that programming can be done? What needs to be programmed?
1. I ordered the steering rack and pinion with the valve.
2. Ordered the esp with the option 213pml
3. Ordered the wiring from the solenoid valve.
I understand, as I read here in another topic, that i am missing some wires with plugs that need to connect from the wiring of solenoid valve to the esp module. Do i understand right?
What needs to be programmed after these installs? Do i have to update sa card so that programming can be done? What needs to be programmed?
Newbie
Joined: May 2021
Posts: 8
Likes: 0
From: Greece, Athens
cl203
As for tools, i am going to install all this to an independent mercedes workshop.
Newbie
Joined: May 2021
Posts: 8
Likes: 0
From: Greece, Athens
cl203
Newbie
Joined: May 2021
Posts: 8
Likes: 0
From: Greece, Athens
cl203
Sunman, hello again. I am ready to install the parts. Everything is in order but i am looking to find out what is the procedure for programming. What are the things that i must program? Do i have to update the sa card for start or no? Do i have to update the part number of the esp module?
