Installation details of the standard high-level brake light
1 - Tailgate center trim panel; 2 - Electrical wiring connector; E21 - Standard high-level brake light
1. Release the clips and remove the center rear door trim panel - to avoid damaging the plastic, try not to tilt the panel when releasing the clips.
2. Remove the high-level brake light (E21).
3. Disconnect the connector (2).
4. Installation is carried out in reverse order.
Article borrowed from the web portal MercedesMan.ru