Check out the Mercedes Benz G-Class LED Taillights (72-021)
Take note at the underside of the Mercedes Benz G-Class LED Taillights.
Prior to installing the Mercedes G-Class LED turn signal tail light assembly, make sure your G-Class SUV is completely shut off, including the engine and the electronics. Otherwise your Mercedes' onboard computer will detect that you disconnected the OEM tail lamp, and an error message will pop up on the dashboard.
Step 1: Remove the stock tail lamps. Take a look at the taillight housing and you will see two screws located at the corner of the taillight lens. Remove the screw and take off the stock tail lamp lens.
Later on in the installation, you will be mounting back the new LED assembly in the same outer corner holes, so please remember the placement of the stock lamp.
After you take off the tail lamp housing lens, you will see the exposed bulbs, as well as the mounting locations used to secure the tail lamp onto the vehicle.
Notice that the holes are positioned in a way so that they are towards the curved end of the tail lamp assembly. Because of this design, you will be
securing the mounting brackets on the same holes: two on the outer holes for one bracket, and two on the inner holes of the other bracket.
Step 2: Take a look at the close-up of the mounting bracket which you'll be mounting directly back onto the exposed tail lamp location. Mount two brackets back onto the tail lamp location using the outer two holes for one side of the bracket, and the inner two holes on the other side of the bracket.
Step 3: Connect the wires before you secure the LED taillight assembly.
Black wire to negative
If for some reason the tail light (dimming mode) is not functioning properly, try the following troubleshooting steps:
1. Completely shut off your G-Class SUV and lock it for 5 seconds
2. Flip to the back side of the LED tail lamp
3. Unplug the green/black wire plug from the built-on resistor
4. Unlock your Mercedes, turn on the engine and try again
Step 4: Now take the new Mercedes G-Class LED taillights and mount it onto the brackets via the center holes at the outer edges of the brackets.
(The last photo is a hypothetical of how the bracket positioning would look if you were looking at the underside of the LED assembly.)
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