Rear bass speaker amplifier, component description - GF82.62-P-6005FLB

MODEL 212 up to 3/1/15 up to model year 2016 with CODE 811 (Advanced sound system) without CODE 810 (Sound system) 

Shown on model 212.0 

Fig 1: Rear Bass Speaker Amplifier - Shown On Model 212.0

Courtesy of MERCEDES-BENZ USA

Shown on model 212.2 

Fig 2: Rear Bass Speaker Amplifier - Shown On Model 212.2

Courtesy of MERCEDES-BENZ USA

Location 

On model 212.0 with CODE 811 (Advanced sound system), the rear bass speaker amplifier is located left of center in the trunk under the rear shelf.

On model 212.2 with CODE 811 (Advanced sound system), the rear bass speaker amplifier is located on the underside of the trunk floor.

Tasks 

The rear bass speaker amplifier is responsible for the following tasks:

• Receive signals 
• Amplifying and supporting signals 
• Transmitting signals 

Receive signals 

The rear bass speaker amplifier receives the following signals:

• Activation signal from the sound system amplifier control unit (N40/3) via a direct line
• Audio signals from the sound system amplifier control unit via two direct lines

Amplifying and supporting signals 

The bass speaker amplifier supports surround sound (Bang&Olufsen) and amplifies the incoming audio signals.

Transmitting signals 

The rear bass speaker amplifier uses two direct lines to send audio signals to the following speakers:

• Left rear door speaker (H4/3)
• Right rear door speaker (H4/4)
• Bass speaker (H4/17) (model 212.0) or bass speaker (H4/29) (model 212.2)
• Rear bass speaker (H4/38) (model 212.0)
• Left front door sound system bass speaker (H4/64)
• Right front door sound system bass speaker (H4/65)

The bass speaker amplifier actuates the illumination for the left front door speaker, mirror triangle (H4/23) and the right front door speaker, mirror triangle (H4/24).