How to Remove the Headlight Cover of a Mercedes-Benz G-Class?

[VioletLynn]

First, remove the headlight assembly, which is usually secured by clips or screws. After removing the clips or screws, the headlight can be taken off. Use a heat gun to warm the area around the headlight cover to soften the adhesive. Then, gently pry open the cover. If a heat gun is not available, a high-power hair dryer can be used as an alternative. After removing the headlight cover, clean the old adhesive from the groove, apply new sealant, place the new cover, press it firmly, and wipe off any excess sealant.

[McKingston]

Last time I helped my brother remove the headlights from his old G500, I realized this job really requires skill. First, you need to open the hood, then remove the hidden screws on both sides of the front bumper, and pry open the plastic clips inside the wheel arches. Here's the key part—there are three star-shaped screws hidden behind the headlight that need to be slowly loosened with a T20 wrench. After removing the screws, don't yank hard—there's a metal clip on the base that needs to be pried open with a flathead screwdriver. The entire headlight assembly is quite heavy, so you need to support it with both hands when lifting. Only after taking it apart did I see how thick the sealing gasket was—no wonder this car has such strong wading capability. But remember to reseal the edges with silicone sealant when reinstalling, or it'll definitely fog up in rainy weather.

[AryaRose]

I've disassembled the headlights of three different year models of the G-Class and found the newer versions much more troublesome than the older ones. For AMG models, you even have to remove the front grille trim first, then use a heat gun to soften the edge seals for separation. The worst are those with cold adhesive—you have to carefully cut through them with fishing line. The clip positions are designed so tricky that using a screwdriver can easily break them, so I recommend having a set of plastic pry tools ready. A crucial reminder: don't overlook the waterproof cover behind the connector. German cars have precise wiring, so always disconnect the negative battery terminal before unplugging. When reassembling, pay attention to the hood gap alignment—if not adjusted properly, the headlight beam will be misaligned.

[EmilioDella]

The auto repair shop technician taught me a trick: prepare a socket wrench set, LED work light, and magnetic pickup tool. First remove the top bumper screws, then lie down to locate the T30 screws behind the radiator grille - this is the most commonly missed spot. When unplugging headlight connectors, always press the release tab; yanking forcefully will damage the terminals. The old G-Class uses aluminum clips that deform easily under excessive force, so wiggle them while pulling outward horizontally. For sealant, always use Mercedes-Benz OEM liquid butyl rubber - regular silicone sealant can't withstand off-road vibrations.

[EllieMarie]

DIY requires at least three hours of preparation, with special attention to wiring harness management. For the new models with electrically adjustable height, the connector has 32 pins—take photos before unplugging. When removing the headlight assembly, wrap the bumper edges with soft cloth to avoid costly paint scratches from the metal lamp frame. There have been cases where forgotten paint protection film led to wrench slips causing dents. If fault codes appear during reinstallation testing, use a diagnostic tool to clear them and stop the warning light from flashing. After disassembly, it's recommended to inspect the adaptive module bracket as well, as off-road vibrations can loosen it.

[OEva]

Advice from Off-Road Veterans: Rinse the sand from the gaps around the light frame before disassembly. G-Classes driven in deserts often accumulate sand in the bottom grooves of the lights, which can scratch the lenses if removed directly. Prepare spare sealing rings, as rubber seals over ten years old may become brittle. Don’t skimp on tools—cheap wrenches might strip the star-shaped screw heads. Here’s a clever trick: Before disassembly, cut a piece of cardboard to trace the outline of the light frame for precise alignment during reassembly. The factory repair manual recommends replacing the sealing gasket, but in practice, applying a layer of silicone grease can serve as a temporary fix. Finally, remember to adjust the headlights—G-Class headlights aimed too high can blind oncoming traffic.