Genuine 004 154 42 06 Voltage Regulator for Mercedes-Benz Alternator

The Genuine 004-154-42-06 Voltage Regulator is an OEM replacement component designed to regulate the electrical output from your vehicle's alternator. This precision-engineered voltage regulator maintains stable electrical system voltage within the proper operating range, typically between 13.2 and 14.5 volts, protecting sensitive electronic components and ensuring optimal battery charging performance.

Key Features:

• Genuine Mercedes-Benz OEM part manufactured to exact factory specifications
• Regulates alternator voltage output to prevent overcharging and electrical system damage
• Protects battery and sensitive electronic control units (ECUs) from voltage fluctuations
• Manufactured with high-grade materials for reliable performance and extended service life
• Direct replacement for part numbers 0041544206, 41544206, and 004-154-42-06
• Also known as Regulator Switch in some applications

This voltage regulator is a critical component of your vehicle's charging system, working in conjunction with the alternator to convert alternating current (AC) to regulated direct current (DC) voltage. When your voltage regulator fails, symptoms may include battery overcharging, dimming lights, or electrical system malfunctions. Replacing a faulty voltage regulator with this genuine OEM part ensures proper electrical system operation and can be more cost-effective than replacing the entire alternator assembly.