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Mercedes Benz 215 OverHead Control Panel Control Unit

Components location
Components location
Network structure
Network structure
Components location
· 1 Rear interior lamp switch Rear dome lamp switch (model 220)
· 2 Left front reading lamp switch
· 3 Right front reading lamp switch
· 4 Dome lamp switch
· 5 Front dome lamp
· 6 Tilting/sliding roof switch
· 7 Left reading lamp
· 8 Right reading lamp
Task
The overhead control panel control unit reads sensors and switches and controls their functions. Depending on the requests received, consumers are switched or supplied with voltage and signals are transmitted or received via CAN-B.
Control
• Master control unit for interior illumination
• Exit and ambient lamps
• Footwell lamps
• Tilting/sliding roof incl. Pre-Safe function
Special functions
• Dimming function of inside rearview mirror and driver-side outside mirror
• Windshield wiper startup suppression
• OFF delay function of interior lights
• Rain closing feature of tilting/sliding roof
• Memory function of tilting/sliding roof
Note
The special functions are not necessarily controlled by the overhead control panel, they may just be indirectly associated with the overhead control panel.
Switching consumers
• Inside rearview mirror unit
• Rear interior lamp (model 215)
• Rear dome lamp (model 220)
• Tilting/sliding roof (SHD)
Voltage supply
• Inside rearview mirror unit
• Automatic light switch daylight sensor (light sensor)
• Rain sensor
• Rain/light sensor
• Rear interior lamp (model 215)
• Left rear dome lamp (model 220)
• Right rear dome lamp (model 220)
• Left front vanity mirror illumination
• Right front vanity mirror illumination
• Interior protection transmitter and receiver
Reading integrated switches
• Tilting/sliding roof switch
• Rear dome lamp switch
• Dome lamp switch
• Left front reading lamp switch
• Right front reading lamp switch
Reading sensors
• Automatic light switch daylight sensor (light sensor)
• Rain sensor
• Rain/light sensor
• In-car temperature sensor
• SHD Hall sensor 1
• SHD Hall sensor 2
• Ultrasonic echo sounder sensor
• Front SHD obstruction sensor
Reading signals
• Rear window antenna amplifier module
Interface to CAN-B (via DBE)
• Inside rearview mirror unit
• Automatic light switch daylight sensor (light sensor)
• Rain sensor
• Rain/light sensor
CAN signals
The overhead control panel control unit is a CAN-B subscriber in the overall network.
Rear dome lamp switch (1)
Pressing the rear dome lamp switch (1) switches the interior illumination in the rear on or off.
Left front reading lamp switch (2) and Left reading lamp (7)
Pressing the left front reading lamp switch (2) switches the left reading lamp (7) on the underside of the inside rearview mirror unit on or off.
Right front reading lamp switch (3) and Right reading lamp (8)
Pressing the right front reading lamp switch (3) switches the right reading lamp (8) on the underside of the inside rearview mirror unit on or off.
Dome lamp switch (4) and Front dome lamp (5)
The dome lamp switch (4) is a rocker switch with 3 switch positions.
If the dome lamp switch (4) is in the center position, the automatic control for the interior illumination is activated.
The interior illumination is automatically switched on in dark conditions when
• The vehicle is unlocked
• A door is opened
• The transmitter key is removed from the ignition lock
The interior illumination switches back off after a delay.
Pressing the dome lamp switch (4) forwards out of the center position switches off the automatic control for the interior illumination.
Pressing the dome lamp switch (4) to the rear out of the center position switches on the front dome lamp (5) in the overhead control panel.
Pressing the dome lamp switch (4) to the center position switches the front dome lamp (5) back off and reactivates the automatic control for the interior illumination.
Tilting/sliding roof switch (6) or Tilting/sliding roof (code 414)
Circuit 15R must be switched on to actuate the tilting/sliding roof.
Pulling the tilting/sliding roof switch (6) towards the rear up to the actuation point and holding it there opens the tilting/sliding roof for the duration of the actuation.
The tilting/sliding roof is closed by actuating the switch in the opposite direction.
Pulling the tilting/sliding roof switch (6) towards the rear over the actuation point and briefly holding it there automatically opens the tilting/sliding roof all the way.
The tilting/sliding roof is automatically closed by actuating the switch in the opposite direction.
Pressing the tilting/sliding roof switch (6) upwards to the actuation point and holding it there raises the tilting/sliding roof at the rear for the duration of the actuation.
The tilting/sliding roof is lowered by actuating the switch in the opposite direction.
Pressing the tilting/sliding roof switch (6) upwards over the actuation point and briefly holding it there automatically raises the tilting/sliding roof all the way at the rear.
The tilting/sliding roof is automatically lowered by actuating the switch in the opposite direction.
The tilting/sliding roof can be stopped in any desired position during automatic operation by briefly actuating the tilting/sliding roof switch (6) in any direction.
The tilting/sliding roof then stops in its current position.
Note
The cover of the tilting/sliding roof protects against solar radiation. If the tilting/sliding roof is opened, the cover is opened at the same time.
When the tilting/sliding roof is closed or raised at the rear, the cover can only be operated by hand.
Network structure
· 1 Tilting/sliding roof (SHD) OPEN/CLOSED
· 2 Position of tilting/sliding roof (SHD)
· 3 Power supply to vanity mirror illumination
· 4 Vanity mirror illumination ON/OFF
· 5 Alarm signal
· 6 Front reading lamp ON/OFF
· 7 Rain detected
· 8 Darkness detected
· 10 Reverse gear engaged or interior lights switched on
· 11 Mirror position
· 13 Rear dome lamp ON/OFF
· 17 Power supply to rain sensor / automatic light switch daylight sensor (light sensor) / rain/ light sensor
· 20 Interior protection active
· 21 Power supply to rear dome lamp
· 22 Drive authorization (FBS III)
· 25 Obstruction detected
· 26 Power supply to inside rearview mirror unit
· 27 Power supply to interior protection
· A2/12 Rear window antenna amplifier module
· A26/13 Ultrasonic echo sounder sensor
· A26/14 Interior protection transmitter and receiver
· A67 Inside rearview mirror unit
· A67e1 Left reading lamp
· A67e2 Right reading lamp
· B32/1 Automatic light switch daylight sensor (light sensor)
· B38 Rain sensor
· B38/2 Rain/light sensor
· B61 SR [SHD] obstruction sensor unit
· B61b1 Front SHD obstruction sensor
· E14/6 Left front vanity mirror illumination
· E14/7 Right front vanity mirror illumination
· E15/3 Rear interior lamp (model 215)
· E15/10 Left rear dome lamp (model 220)
· E15/10e1 Reading lamps (model 220)
· E15/10e2 Interior and vanity mirror lamps (model 220)
· E15/11 Right rear dome lamp (model 220)
· E15/11e1 Reading lamps (model 220)
· E15/11e2 Interior and vanity mirror lamps (model 220)
· M12 Tilting/sliding roof (SHD)
· N70 Overhead control panel control unit
· S101 Left front vanity mirror illumination switch
· S102 Right front vanity mirror illumination switch
· CAN-B Controller Area Network bus class B (interior compartment)

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Description
In this section we add some useful information about some Mercedes Benz 215 OverHead Control Panel System and it features.
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