Replacing The Voltage Regulator on a W211 Mercedes

This video is about replacing the voltage regulator on my 2003 Mercedes E320 W211 chassis. This is a regular maintenance item and if you don't change timely you might start getting weird electrical errors in your MB.
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Disclaimer
The information contained in this video is provided "as is", and should be used for directional purposes. Always follow safety procedures and understand the legal implications of any modifications you might make to your vehicle. Several factors beyond my control might change the information provided in this video. I do my best to provide the most accurate and complete information possible, however, I shall not take any liability for property damage and injury occurred as a result of any information contained in this video. Use it at your own risk. No information contained in this video shall create any implied or expressed warranty, or liability.

[@dieice7124]

Really appreciate this thorough tutorial, i was able to change my voltage regulator within an hour an half just by following the steps you did.
Meanwhile my first attempt was changing it from under the car and that took over 4 hours to do the first time around.
You were right, it is much easier to do it from inside / top of the car!

[@dcfgarage]

Great that you managed to change it!

[@meowmeowmeowmeowmism]

Thanks man. Doing this today. Really was hoping there was a way to do this without removing the alt completely

[@dcfgarage]

I tried doing in from underneath, but without a lift, the easiest way is from the front.

[@TheBstegold]

Thank for posting this geat video... my dashboard regularly display low battery voltage on my 05 E500 merc W211 engine while driving...then after a while it disappears.. recently I saw the SRS light pop up. I did some researched and found out that one of the cause is low battery voltage. ...because I saw this low voltage issue before on the dash board and the battery is relative new I suspect it is "voltage regulater" is the culprit. My car has 175K and I have never changed the voltage regulater etc... I also found out that it ia good preventative measure to change the voltage reg at 100K... I am way over due etc. You have a new follower, smie,

[@nopjack7278]

Nice video...appreciate you sharing your experience.

[@robertehlers4330]

I have 04 e320 I thought their was a way that you don't have to take off alternator ?

[@floridaman5125]

Funny story, was quoted labor 550 to change the VR and only 270 to change the whole alt. Seems ridiculous so I swapped the entire thing.

[@dcfgarage]

Thanks for sharing

[@southboundpachydrone6402]

around how many miles were on this car when you did this change? I have an e550 with 172k miles and suspect this being something giving me issues currently.

[@dcfgarage]

140k ish. It's supposed to be replaced every 100k miles

[@southboundpachydrone6402]

@@dcfgarage thank you!

[@muhammadusman-mc7gf]

Can you tell the Part number for voltage regulator

[@anttonev]

F00M144146

[@jkeith1959]

Did u have warning lights or you just did it just because?

[@dcfgarage]

No specific warning light. But the the regulator was worn and this is one of the items that if you wait to replace after it fails, the bill can be much bigger if you burn an important module

[@cairolineberger4596]

@@dcfgarage Burn what module?

[@georgeanddaddecker7563]

How about that waterpump? That thing has got to be on it's last leg?

[@dcfgarage]

It was not weeping. I believe it was replaced by the first owner around 100k

[@tomgjeka7028]

I think its time to change mine after 450k km xD

[@TheBstegold]

42NM not 42 Ft pounds...