Audio system, location of components - GF82.60-P-0004-01GQA

MODEL 164, 251 as of model year 2009 with CODE 510 (Audio 20 with CD changer) without CODE 523 (MB Audio 20 radio) 

Fig 1: Audio System Components Location - Shown On Model 164.1

Courtesy of MERCEDES-BENZ USA

Shown on model 164.1 

Fig 2: Audio System Components Location - Shown On Model 251

Courtesy of MERCEDES-BENZ USA

Shown on model 251