Genuine Mercedes Voltage Regulator | 0041541906

Mercedes ML350, GL450, Sprinter 2500 RWD, Sprinter 2500, GL550, Sprinter 3500 RWD, Sprinter 2500 4WD, SLK350, Sprinter 3500, ML550 & more
$99.99
Reg
$104.16
List
$105.00
+Core
$7.25
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P/N: 0041541906 Genuine Mercedes FREE SHIPPING
Description:
Regulator Switch
R350. S400. Ml550. Gl550. Gl450. Valeo. Ml350. Ml250 bluetec. Slk280, slk350. 180 Amp.Alternator. Exc.Start/Stop Feature.
Cross References:
  • 0031548706
  • 0041540806
  • 004154190680
  • A0031548706
  • A0041540806
  • A0041541906

Voltage regulators maintain a constant range of alternator voltage output and convert the alternate current (AC) produced by the alternator into the direct current (DC) the vehicle operates on. As the alternator turns, it uses coil windings and magnets to create the alternate current. The faster the alternator turns, the more current and voltage is produced. The voltage regulator uses diodes to convert the AC to DC, limiting the alternator's voltage output to 12-14 volts.

Voltage regulators fail when they can no longer convert alternate current to direct current or when they can no longer maintain a consistent voltage that the Mercedes requires to operate.

Signs of a faulty voltage regulator include:
  • Surging lights
  • Flickering interior lights
  • Instrument cluster or panel malfunctioning
  • Battery light or check engine light illuminated
  • A battery not being charged

Checking battery voltage or alternator output are simple ways to test a voltage regulator. Fluctuating battery voltage or drops in alternator output when the engine is at idle indicates the voltage regulator has failed and is not regulating voltage or not converting alternate current to direct current.

Replacing Your Mercedes Voltage Regulator

Some voltage regulators are external to the alternator and can be removed and replaced in series with the alternator output circuit. Other voltage regulators are mounted inside of the alternator and may be removable and replaceable, but some will require the replacement of the alternator to replace the voltage regulator.

View more Mercedes Voltage Regulators.

Any Genuine brand part is obtained directly through our vehicle dealership network from your vehicle's manufacturer. This is always your best option for getting the exact same part that is being replaced and will be the latest version design.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Genuine Mercedes Voltage Regulator Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Mercedes
09-12 - GL450
09-12 - GL550
16-17 - GLE300d 4Matic
15-15 - ML250 Bluetec 4Matic
09-11 - ML350 Base, Bluetec 4Matic
09-11 - ML550
10-10 - ML63 AMG
09-11 - R350 4Matic, Bluetec 4Matic
10-13 - S400 Hybrid
09-11 - SLK350
12-14 - Sprinter 2500
15-18 - Sprinter 2500 4WD
15-18 - Sprinter 2500 RWD
13-14 - Sprinter 3500
15-18 - Sprinter 3500 4WD
15-18 - Sprinter 3500 RWD