Is your Mercedes running on seven cylinders (or, if you're really lucky, eleven cylinders)? If you haven't checked them in a while, your Mercedes spark plug wires could be the source of your trouble. As they age, Mercedes spark plug wires can develop microscopic cracks in their insulation. When the insulation goes, your Mercedes ignition wires send their high-voltage spark straight to ground, rather than through the plug like they're supposed to. The result is a misfire, and to fix it, you need new Mercedes spark plug wires. If you've been to the dealership recently, you know that Mercedes spark plug wires from them are going to cost a fortune. We'll let you in on a secret, though: Our Mercedes spark plug wires are the same Mercedes spark plug wires you'll get at a dealership. With OE-quality fit and function, the only difference in our Mercedes spark plug wires is in the price. So get your Mercedes running right again with a new set of Mercedes spark plug wires. And buy your Mercedes spark plug wires from us to get great discount pricing and fast shipping right to your front door.