GL 550 (164.886) V8-5.5L (273.963) (2008)
Operation
When switching on the radio via circuit 15 (ignition ON) or by pressing the push/rotary switch for ON/OFF and volume, the menu that was displayed last
before the unit was switched off is shown (last mode).
Device description
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DIN control panels with hard and soft keys:
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12 key block with telephone keys on right side
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4 soft keys beneath the display
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8 hard keys on the left side
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Hard key for CD eject under the display
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Telephone 4-quadrant actuator for telephone connection
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Push/rotary switch for ON/OFF and volume on the left side
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Display
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Control Area Network bus class B (interior) (CAN-B) and MOST interface (the radio serves as a gateway between MOST and CAN-B)
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Operable with left multifunction steering wheel button group and right multifunction steering wheel button group
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Radio with dual tuner
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CD audio drive
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Basic amplifier output stages
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AUX jack (in glove box for an external analog audio source)
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MMI for:
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Audio (radio, CD, CD changer, AUX)
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Communication (telephone, SMS)
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System settings
Technical specifications
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Networking with CAN-B
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Electrical wake-up
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Displays (radio, CD/CD changer, telephone) in the multifunction display (A1p13) via CAN-B
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Networking with CD changer (A2/6), amplifier for sound system (N40/3) and Universal Portable CTEL Interface (UPCI [UHI]) control unit
(N123/1) via MOST
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Cyclical implementation of self-diagnosis (self-calibrating as required)
Audio gateway (AGW)
The audio gateway is fully integrated in the housing of the radio as an audio master control unit.
AGW functions
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Radio dual tuner (is the radio component in the system)
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CAN-B interface
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MOST ring master (light, power and clock master)
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Central diagnostic interface for the MOST components (via MOST and CAN-B) (for basic sound)
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Amplifier output stages, on vehicles except code (810) Sound system
Control of radio functions
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Receiver for frequency modulation (FM) and amplitude modulation (AM)
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Radio Data System - Enhanced Other Networks (RDS-EON)
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Traffic information radio channel via integrated traffic information radio channel decoder
CD drive
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CD drive for playing audio CDs (in Red Book audio CD standard)
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Functions