Mercedes-Benz CLK430 Turn Signal Bulb Size
The Mercedes-Benz CLK430 front inner turn signal bulb uses 1156NA size, while front turn signals accommodate 1156NA, 1034NA, or P21W bulbs, and rear turn signals use P21W, PY21W, or 12496 bulbs. The replacement chart covers 1999 to 2003 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.
Front Inner Turn Signal
| Years | Bulb Size |
|---|---|
| 1999-2002 | 1156NA |
Front Turn Signal
| Years | Bulb Size |
|---|---|
| 2003 | 1034NA (With HID Headlamps) |
| 1156NA (With Halogen Capsule Headlamps) | |
| 2000-2002 | P21W |
| 1999 | PY21W (Main) |
| 12961 (Side car) |
Rear Turn Signal
| Years | Bulb Size |
|---|---|
| 2003 | P21W |
| 2001-2002 | PY21W |
| 1999-2000 | 12496 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base, natural amber glass. 12V, 21W. | 1156NA |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 |