Mercedes-Benz CLK500 Turn Signal Bulb Size
The Mercedes-Benz CLK500 front turn signal uses a P21W, 1156NA, or 2357NA bulb size, while the rear turn signal requires either a PY21W or P21W bulb size. The replacement chart covers 2003 to 2006 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 Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2006 | 1156 | P21W | Check Price |
| 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 |
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2006 | 7507 | PY21W | Check Price |
| 2003-2005 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| 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 |
| 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). 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, 21W/5W. | 1157NA | Check Price |