The Mercedes-Benz ML430 front inner turn signal requires a 1157NA bulb size, front outer turn signal uses a 12961 bulb size, front turn signal uses a 2357NA bulb size, and rear turn signal uses a 12496 or PY21W bulb size. The replacement chart covers 1999 to 2001 model years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.