If your backlighting of the clock, speedometer or tachomter stopped working. Sounds simple to fix, just replace the light bulbs? Wrong! There are no light bulbs. The correct way to do is replace the EL (Electro Luminesence) cold light inst ent panel. EL cold light inst ent panel used for dashboard dial backlighting are known to be prone to fading. If they completely fail, making it impossible to see the gauges in the dark. The Replacement EL Panel we supplied fits exactly in place, it restore your flickering or inoperative backlighting . Note: This is gauge face overlay with EL cold light inst ent panel combine together. Do repair your dial backlighting fading, you need tear off old failed gauge face with your EL panel and replace our . Maximum Speed Scale: 260KM/H We selling gauge face with EL panel only, the inst ent cluster in picture as an application scenario instruction, not included for sale. for E-Class W211 E320 E350 E500 E55 E63 (2002-2009) for CLK-Class W209 (2002-2010) for -Class C219 (2004-2010) Colour:As Shown Material:ABS Package Contents: 1PCS x Gauge Face Combine with EL Cold Light Inst ent Panel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.