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Specifications
- MFR: BOSCH
- FEATURE 1: 100% New
- FEATURE 2: BSS (COM) Regulator
- FEATURE 3: COM ID Code: 12
- FEATURE 4: A-Circuit, Voltage Set Range from 10.7V to 16.0V Controlled by BSS Signal
- FEATURE 5: COM-BSS Regulator
- FEATURE 6: Field Short Circuit Protection
- FEATURE 7: LRC and Soft Start
- FEATURE 8: Stator Activated
- NOTE 1: Companion rectifier IBR216 and IBR201
- SPECS FOR: Bosch IR/IF Alternators
- SPECS: 12 Volt, A-Circuit, BSS-FR Terminals
Used On
- Mercedes-Benz (2003-2005)
Lester Numbers
13954, 23248, 23285, 23964
Replaces
Bosch: F 00M 144 147, F 00M 145 272, F 00M 145 293, F 00M 145 367, F 00M 145 385
Mercedes-Benz: 003-154-37-06, 003-154-58-06
Vehicle Application
Mercedes - Europe Car
C160 1800 Kompressor 2005–2008
C180 2000 2002–2004
C180 1800 2002–2007
C200 1800 Kompressor 2002–2008
C230 1800 Kompressor 2002–2005
CLK200 1800 Kompressor 2002–2006
E200 1800 2006–2010
SLK200 1800 Kompressor 2004–2010
Vaneo 2100 2004–2010
Mercedes LCV - Europe Van
Vito 109D 2100 2003–2010
Vito 111D 2100 2003–2010
Vito 115D 2100 2003–2010
Mercedes-Benz Car
C230 L4 1.8L 1796cc 2003–2005
Features & Benefits
- Precision aftermarket replacement part
- Regulates alternator output voltage
- Helps maintain proper battery charging
- Supports stable charging system performance
- Manufactured to match original specifications
- Designed for dependable long-term operation
- Ideal for alternator rebuilding and repair
- Cross-referenced to OEM and aftermarket part numbers
What Does a Voltage Regulator Do?
The voltage regulator controls the alternator's output by regulating current supplied to the rotor field winding. As electrical demand changes, the regulator continuously adjusts field current to maintain the proper charging voltage for the battery and the vehicle's electrical system.
A properly functioning voltage regulator helps prevent battery overcharging and undercharging while protecting sensitive electrical components from excessive voltage. Because charging system performance depends on the interaction between the regulator, rotor, stator, rectifier, and battery, replacing a faulty regulator is an important step in restoring alternator performance.
Common Signs Replacement Is Needed
Replace the voltage regulator if you notice:
- Battery overcharging
- Battery not charging
- Low charging voltage
- High charging voltage
- Battery warning light illuminated
- Intermittent charging problems
- Headlights that brighten or dim with engine speed
- Charging system failure during testing
- Voltage regulator failure discovered during alternator rebuilding
Installation Recommendations
Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new regulator, inspect the brushes, brush holder, slip rings, rotor, stator, rectifier, wiring, and electrical connections for signs of wear or damage.
Always verify connector configuration and mounting style before installation. After assembly, bench-test the alternator to confirm proper charging voltage and overall charging system performance.
While You're Rebuilding
Inspect other common wear components to help maximize charging system reliability:
Why Buy From RC Auto Electric?
RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.
Disclaimer
Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original part, connector configuration, mounting style, voltage specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.
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