Mercedes CLA45 Tail Light Parts
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The average price of a Mercedes CLA45 tail light is between $1.59 and $286.99.
How Do I Replace A Mercedes CLA45 Tail Light?
To swap out a Mercedes CLA45 tail light, start by popping the trunk and peeling back the liner just behind the tail light. You’ll spot a few bolts or screws holding the entire unit in place—these usually come out quickly with a socket wrench. Once they’re loose, carefully unplug the wiring harness connected to the back of the light. Pull the old assembly out, line up the new one, and reconnect everything the same way you took it apart. Before finishing, flick the lights on to double-check that everything’s working right. Always make sure the new bulb matches your model for the right look and function.
Why Is My Mercedes CLA45 Tail Light Flickering Or Not Working?
If your Mercedes CLA45 tail light isn’t lighting up or only works sometimes, the issue usually comes down to a burnt-out bulb, rust or dirt in the socket, or a loose wire. Sometimes, water finds its way into the housing and causes trouble for the wiring or the connectors. Start with a quick check of the bulbs and their sockets, followed by the wiring harness. If those check out, a blown fuse might be the problem—take a peek at your fuse box. If none of these seem like the culprit, running a scan for hidden error codes could point you in the right direction.
What Kind Of Bulbs Does The Mercedes CLA45 Tail Light Use?
Most newer Mercedes CLA45 tail lights come with LEDs built in, giving you quick lighting and long life. If you’re driving an older CLA45 or a specific trim, your setup might still rely on standard incandescent bulbs. It’s easy to double-check: take a look at your owner’s manual or pull the old bulb to see if it’s LED or halogen, and make sure the numbers on it match what you’re buying. If you want to upgrade to LED, make sure it plays nice with your car’s electronics—some need special adapters or can trigger warning lights if they aren’t a perfect match.
How Do I Stop Condensation Inside My Mercedes CLA45 Tail Light?
If you spot fog or moisture inside your Mercedes CLA45 tail light, chances are the seal around the unit is letting water sneak in. First, take out the tail light and look closely for any cracks or gaps. You can dry the housing with a hair dryer set to low or leave it out to air dry. Once it’s bone dry, run a fresh bead of automotive silicone around the edges to seal things up. Let it cure fully before putting the light back—this should help keep future fogging at bay and protect your wiring and bulbs from water damage.
Are Aftermarket Mercedes CLA45 Tail Lamps Reliable?
There’s no shortage of aftermarket options for a Mercedes CLA45 tail light replacement. You can find high-quality versions that match the original fit and look, and sometimes even improve brightness or add a custom touch. But stick with reputable brands—cheaper units might not seal properly, may look off, or could trigger errors on your dash. It’s a good call to check reviews and make sure you’re getting a tail light that other CLA45 owners trust. A solid warranty is also a sign the manufacturer stands behind their quality.
Why Choose AutohausAZ For Your Mercedes CLA45 Tail Light?
AutohausAZ takes the guesswork out of tracking down the right Mercedes CLA45 tail light. Prices are kept affordable and shipping is quick, so you won’t be stuck waiting for the part you need. Returns are simple, just in case you ever need to send something back. Save yourself the stress and extra expense—AutohausAZ makes it straightforward to get your CLA45 looking sharp and back on the road fast.

