0015450532, 0015459832, 0025450632, 0025450932, A0015450532 Control Units HELLA 4RV 008 188 021 MERCEDES BENZ: 190

fits e.g. Mercedes-Benz Saloon (W124) (please check exact vehicle application) without post-glow time HELLA preglow relays ensure reliable cold starts in diesel engines by preheating glow plugs to ignition temperature-even in low temperatures improving start-up performance and reducing engine stress. HELLA relays use low-voltage control to safely switch high-voltage circuits, minimizing wear and reducing wiring complexity. Always check the original part number to ensure correct fitment and full compatibility with your vehicle. Built to last-HELLA relays are resistant to dirt, moisture, and vibration, designed for thousands of reliable operations.