It definitely saved me from having to buy a new alternator. For such a cheap part it’s a must do!
Pros: saved alternator, cheap part
Reviews of ERA parts For Business
Average Rating
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5.0
Manufacturer Ranking
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2
Spare Parts
1
Country
Italy
Spare Parts
Today I replaced my voltage regulator and the issue is fixed. I did it while the car was on the air but you can also do it if you jack the car up on the street.
First remove the negative terminal then 3 13mm nuts after that 1 T20 then you can remove a protective cover then the other 3 T20 and then its drops itself.
You can see in the picture that one of the brushes is shorter than the other one I think that was the issue.
I also did a battery test and the result was ‘charging okay’ 806EN of the 850EN.
Here is the OEM number for the voltage regulator: A 003 154 65 06. Because Mercedes does not have the part anymore I bought it form ERA it was about €35 orso.
Pros: issue fixed, charging okay
Vehicle:
Mercedes
Part number: A 003 154 65 06
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Owner reviews of ERA products
The ERA brand is registered in Italy. Official website is not specified yet.
In March 2026, PartReview recorded 2 reviews across 1 part by ERA. Average rating — 5.0 out of 5.
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- Voltage regulator ERA - 2 reviews. PR Score — not available yet, average rating — 5.
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