Instrument cluster, component description - GF54.30-P-6000SX

MODEL 221.0/1, 216.3 up to Model Year 8 

Shown on model 221 up to 31.12.05 

Location 

The instrument cluster is located in the dashboard on the driver-side.

Task 

The instrument cluster has the following tasks:

• Receive the input signals from the central CAN for the various operating functions, displays and warning messages
• Determination of vehicle speed signal
• Illumination of the multifunction display (A1p13) depending on:
  • Switch and controls illumination brightness control/display Night View Assist (S6/2r1) in the cockpit switch group (S6/2)
  • Rain/light sensor (B38/2)
  • Right brightness sensor (A1b2)
  • Left brightness sensor (A1b3)
• Output of messages in the multifunction display
• Actuation of signal lamps
• Provision of Night View Assist display
• Output of acoustic signals
• Actuation of instrument cluster/COMAND display additional fan (M4/13)

Acoustic signals 

The acoustic warning and information signals are produced by a speaker (gong) and a warning buzzer (A1h1), the turn signal knocking sound by the audible turn signal indicator (A1h2):

• Turn signal ON (turn signal knocking sound)
• Light warning (gong)
• Parking brake reminder warning (gong)
• Key reminder warning (gong)
• Door warning (gong)
• Seat belt reminder warning (warning buzzer)
• Engine oil level warning (gong)
• Warning messages (gong and warning buzzer)
• Daytime running lamps ON with open door (gong)

Actuation of stepper motors 

The following displays are driven by a stepper motor:

• Engine coolant temperature display (A1p1)
• Fuel level and reserve gauge (A1p2)
• Tachometer (A1p5)

Variable displays in the multifunction display 

The following displays are shown in the multifunction display:

• Outside temperature
• Digital speedometer (ring speed or band speed)
• Digital additional tachometer
• Odometer
• Trip odometer
• Selected drive stage/transmission mode
• Adjustment of air suspension/adaptive damping system (ADS)
• Error messages with symbols (warning message)
• Navigation
• Audio
• Trip computer (TRIP)
• Telephone
• Tire pressure monitor (TPM)
• Engine oil level warning/engine oil level measurement
• Configuration menu for vehicle settings defined by the user
• Service processor
• Workshop-relevant information
• Backup camera setting
• Parktronic display (front vehicle area)
• Night Vision Assist display
• Tow-away protection/interior protection

Only those systems fitted in the vehicle are displayed.

The instrument cluster requires the instrument cluster/COMAND display additional fan for cooling. This is fitted on the side of the air conditioning. The instrument cluster/COMAND display additional fan has no influence on the displays in the instrument cluster.

Shown on model 221 up to 31.8.06