Mercedes-Benz CLK320 Turn Signal Bulb Size
The Mercedes-Benz CLK320 front inner turn signal bulb uses 1156NA size, while front turn signals accommodate 1156NA, 2357NA, or 1157NA sizes, and rear turn signals use P21W, 12496, or PY21W sizes. The replacement chart covers 1998 through 2005 production years with corresponding bulb 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 | US Type | EU Type | Shop |
|---|---|---|---|
| 1998-2002 | 1156NA | PY21W | Check Price |
Front Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2004-2005 | 2357NA (With HID Headlamps) | P21/5W | Check Price |
| 1156NA (With Halogen Capsule Headlamps) | PY21W | Check Price | |
| 2003 | 1157NA (With HID Headlamps) | P21/5W | Check Price |
| 1156NA (With Halogen Capsule Headlamps) | PY21W | Check Price | |
| 2000-2002 | 1156 (Main) | P21W | Check Price |
| 1998-1999 | 7507 (Main) | PY21W | Check Price |
| 12961 (Side car) | 12961 | Check Price |
Rear Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2003-2005 | 1156 | P21W | Check Price |
| 2002 | 12496 | 12496 | Check Price |
| 2000-2001 | 7507 | PY21W | Check Price |
| 1998-1999 | 12496 | 12496 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base, natural amber glass. 12V, 21W. | 1156NA | Check Price |
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W. | 2357NA | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 | Check Price |