Fuse Diagram for the Mercedes E-Class W211

The fuse box is located on the side of the dashboard on the driver's side. To access it, open the driver's door and use a sharp object to pry and open the box. The fuse diagram is as follows: Power: rear pre-fuse box; 21: Right rear door control unit; 22: Right front door control unit; 23: Front passenger seat adjustment control unit with memory; 24: Connector sleeve Circuit 30, Keyless Go; 25: Fixed heating unit; 25: Additional fuse via polyswitch for Backup-Heater: Remote receiver for Backup-Heater; 26: CD changer; 27: Relay terminal 15 (from 2007); 28: COMAND remote control, display, and control unit; 28: Radio control panel and navigation unit COMAND control unit, display, and control; 29: Steering column module EIS control unit [EZS]: 29: until 2006: DC/DC converter; 30: Data connection connector; 31: Upper dashboard control center; Relay interruption for interruptible loads (2006-2007); 31: until 2006: SAM control unit on the driver's side with fuse and relay module; 32: Left rear door control unit; 33: Left front door control unit; 34: Driver's side front seat adjustment control unit with memory; 35: WSS (Weight Sensing System) control unit (from 2007; USA); 36: Heated seats and seat ventilation control unit; 37: AIRmatic with ADS computer; 38: NECK-PRO headrest relay; 39: Lower control panel control unit; 40: Heated seats and seat ventilation control unit; 40: until 2006: upper control panel control unit; 41: Gateway control unit; 42: Relay interruption for interruptible loads (until 2006) ME-SFI computer [ME]; Valid for engine 629,642,646 EVO: Relay terminal 87, SAM engine control unit on the driver's side with fuse and relay module (engine 271,272,628,629,642,646,647,648) Methane computer (engine 271) 7.5.