Mercedes GL320 Headlight Bulb Parts
Showing 11 out of 11 part(s) found in our catalog.
Brand
Keyword
Category
Select category below to view parts.
Mon-Fri 8-4 MST/PST (Arizona Time)
The average cost of a Mercedes GL320 headlight bulb is between $6.09 and $105.99.
What Type Of Bulb Does The Mercedes GL320 Headlight Use?
If you’re wondering which bulb fits your Mercedes GL320 headlight, you’re not alone. For most 2007–2009 models, Mercedes used either HID (xenon) or standard halogen bulbs for the low beams, depending on the trim and original equipment. Look for D1S if you have the xenon option, or H7 for halogen setups. Because some variations exist, it’s smart to check your owner’s manual or pull the old bulb to double-check the part number before ordering. Using the right bulb type is important for a safe fit and reliable lighting, so a quick inspection pays off.
How Do You Replace The Headlight Bulb On A Mercedes GL320?
Replacing a Mercedes GL320 headlight bulb isn’t too difficult, but it does help to have a little patience. Pop the hood, then find and remove the rear cover from the headlight assembly. You’ll need to carefully twist and remove the old bulb. For xenon setups, first unplug the wiring connector. Halogen bulbs require the same cautious touch—avoid getting fingerprints on the glass. Slide the new bulb into place, reconnect everything, and make sure it’s clicked in snugly to keep moisture out. Sometimes the area is tight, so removing the air filter box or battery can give you a bit more room to work.
Why Does My Mercedes GL320 Headlight Bulb Keep Burning Out?
If you’ve had to swap out a Mercedes GL320 headlight bulb more often than you’d like, a few common problems might be to blame. Vibration, moisture sneaking into the headlight, or issues with wiring can all take a toll. If you accidentally touch the glass while installing a new bulb, oil from your fingers can cause early failure too. Using reputable bulbs can help, and if problems stick around, it’s worth checking the socket and wiring for any corrosion or loose connections. For HID bulbs, a bad ballast can also cause repeat burnouts.
Are LED Bulbs A Suitable Upgrade For Mercedes GL320 Headlights?
Switching your Mercedes GL320 headlight bulb to LED can be a tempting upgrade. LEDs tend to be brighter and can last longer, but not every bulb will be a good match for your housing and wiring. Some aftermarket options can cause warning lights or beam pattern issues, especially if they’re not CANbus-safe. You might need extra resistors or decoders, especially if the car is picky about bulb changes. If you decide to go this route, stick with brands known for making compatible, plug-and-play bulbs, and double-check that local driving laws allow the switch.
How Can You Adjust The Aim Of The Headlight After Replacing The Bulb?
After changing out your Mercedes GL320 headlight bulb, it’s a good idea to check the aim. Look for the adjustment screws on the back or top of the light housing. To get things lined up just right, park about 25 feet from a wall on a flat surface. The top of the light beam should sit close to the height of your headlight lens or a little below. Before making big adjustments, make sure the bulb is seated properly—sometimes a crooked bulb is all that’s throwing things off.
Need A Mercedes GL320 Headlight Bulb?
If it’s time to replace your Mercedes GL320 headlight bulb, AutohausAZ has you covered. You’ll find great prices and speedy shipping, so you aren’t left waiting. If the part isn't just right, returns are quick and straightforward. Shop with confidence and keep your GL320 lighting the way ahead.
