Bosch
SKU: BOS-1986AE0133

Mercedes Voltage Regulator - Bosch 0031549306

C300



Available
In Stock
Price each: $55.99
Core charges are assigned to parts that have reusable components by manufacturers to encourage the return of the used units. Once you return the old part you will be refunded for your core charge, details regarding the return will be emailed to you once you place the order. Note: The customer is responsible for the cost of return shipping.
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Description

Details

SKU:
BOS-1986AE0133
FCP Euro ID:
539336
GTIN / UPC:
04047024565579
Made in:
Hungary
Quality:
OE

OE Numbers

0031549306, A0031549306, 1986ae0133

MFG Numbers

F00M144151

Product Information

Charging System Voltage Regulator

A Voltage Regulator is a component in a vehicle's charging system that controls the output voltage from the alternator to the battery and electrical system. Its primary role is to ensure the voltage remains within a safe range, typically around 13.5-14.5 volts, to prevent overcharging or undercharging the battery and other electronic components. Maintaining stable voltage is essential for protecting the battery and ensuring that electrical components receive consistent power.

Charging System Voltage Regulator Failure Symptoms
  • Dimming or Flickering Lights: A faulty voltage regulator can cause inconsistent power output, resulting in dimming, flickering, or overly bright headlights and interior lights. This is often more noticeable when electrical demand is high
  • Battery Warning Light: If the regulator fails, the battery light on the dashboard may illuminate, indicating an issue with the charging system. This can happen if the regulator causes overcharging (high voltage) or undercharging (low voltage), which may deplete or damage the battery
  • Dead or Overcharged Battery: A defective voltage regulator can either undercharge or overcharge the battery. Undercharging leads to insufficient power for starting the engine, while overcharging can cause battery overheating, leakage, or even permanent damage

About Bosch

Bosch is one of the worlds leading suppliers of engine electronics and sensors. Their sensors and modules can be found in almost every modern car on the planet. Bosch Automotive offers a comprehensive portfolio of unmatched solutions for every job. From diverse diagnostic solutions and OE-quality auto parts, to industry-leading software and unmatched vehicle coverage, to innovative charging, repair and maintenance tools. Making repair and maintenance more effective, efficient, and sustainable for the vehicles of yesterday, today and tomorrow. With over 130 years of experience in the automotive industry, Bosch continues to lead the way in automotive innovation by inventing and developing quality products and solutions that focus on customer needs, shaping the future, and the continued pursuit of excellence.

Robert Bosch founded the “Workshop for Precision Mechanics and Electrical Engineering” in Stuttgart, Germany in 1886. Since the beginning Bosch has been a leader in innovation and development. They introduced fuel injection into mass production in 1967 laying the foundation for modern ignition electronics. Bosch brought lambda sensors to market in 1976, paving the way for cleaner exhaust gases and better fuel economy.

With millions of parts and products in their product line, Bosch offers everything from brake pads to household tools and medical supplies. FCP Euro has partnered with Bosch for the 2019 TC America Championship. They are a sponsor on our 2018 Volkswagen GTI TCR race cars. We offer Bosch's full line of OE and OEM components for your European vehicle.

Fits These Cars

Mercedes-Benz C300

  • 2010 Mercedes-Benz C300 4Matic Luxury Charging System Voltage Regulator
    Automatic AWD Sedan 3.0L V6 272.948 Gas
  • 2010 Mercedes-Benz C300 4Matic Sport Charging System Voltage Regulator
    Automatic AWD Sedan 3.0L V6 272.948 Gas
  • 2010 Mercedes-Benz C300 Luxury Charging System Voltage Regulator
    Automatic RWD Sedan 3.0L V6 272.947 Gas
  • 2010 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Automatic RWD Sedan 3.0L V6 272.947 Flex
  • 2010 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Automatic RWD Sedan 3.0L V6 272.947 Gas
  • 2010 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Manual RWD Sedan 3.0L V6 272.947 Flex
  • 2010 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Manual RWD Sedan 3.0L V6 272.947 Gas
  • 2011 Mercedes-Benz C300 4Matic Luxury Charging System Voltage Regulator
    Automatic AWD Sedan 3.0L V6 272.948 Gas
  • 2011 Mercedes-Benz C300 4Matic Sport Charging System Voltage Regulator
    Automatic AWD Sedan 3.0L V6 272.948 Gas
  • 2011 Mercedes-Benz C300 Luxury Charging System Voltage Regulator
    Automatic RWD Sedan 3.0L V6 272.947 Gas
  • 2011 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Automatic RWD Sedan 3.0L V6 272.947 Flex
  • 2011 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Automatic RWD Sedan 3.0L V6 272.947 Gas
  • 2011 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Manual RWD Sedan 3.0L V6 272.947 Flex
  • 2011 Mercedes-Benz C300 Sport Charging System Voltage Regulator
    Manual RWD Sedan 3.0L V6 272.947 Gas
  • 2012 Mercedes-Benz C300 4Matic Luxury Charging System Voltage Regulator
    Automatic AWD Sedan 3.0L V6 272.948 Gas
  • 2012 Mercedes-Benz C300 4Matic Sport Charging System Voltage Regulator
    Automatic AWD Sedan 3.0L V6 272.948 Gas

Product Reviews

4 Reviews

4.5
Average rating
Leave a review
Brandon
on Wed, May 26 at 01:54PM
Review
As Pictured, relatively easy to install after the headache of removing the alternator.
Kobako J
on Mon, Apr 26 at 09:25AM
Money saver
money saver
Taylor
on Fri, Dec 25 at 02:30AM
2011 c300 sport rwd
Be careful the electrical plug location may not be in the same location as your existing one. The voltage regulator I received had a different plug location but I was able to use it anyway. My old vr was causing my battery to leak acid due to incorrect voltage. This replacement part fixed the problem along with a new battery. Would recommend
Danny
on Sun, Feb 16 at 07:30PM
Slightly inaccurate
Sure it would’ve worked but the connector port is in a different location than the one on my Bosch alternator

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