LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2009 >> SL63 >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery, Data Bus, Display, Fuses, Relays & Sensors -- Basic Knowledge -- 230 Chassis >> Basic Knowledge >> Lower control panel control module, location/purpose/design/function - GF54.21-P-4116R >> Bottom control panel control unit design - GF54.21-P-4116-02R
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Bottom control panel control unit design - GF54.21-P-4116-02R

Fig 1: Identifying Bottom Control Panel Control Unit Components
G05075917Courtesy of MERCEDES-BENZ USA

Design: 

Fundamentally, the bottom control panel control unit (N72)  consists of the series block and both of the specially equipped blocks with the switches:

The built-in switches in the bottom control panel control unit (N72)  have a search lighting and a partial function lighting.