Standard rear speakers (option 1)
1 - Support; 2 - Bolts; H4/7, H4/8 - Speakers; H4/7x1, H4/8x1 - Wiring connectors
Standard rear speakers (option 2)
1 - Support; 2 - Bolts; H4/7h1, H4/8h1 - Dynamics; H4/7h2x1, H4/8h2x1 - Wiring connectors
High-frequency speakers in the instrument panel
1 - Panel; 2 - Bolt; 3 - Decorative cover; H4/9, H4/10 - Speakers; H4/9x1, H4/10x1 - Wiring connectors
Front door speakers (models up to 02.94 year of issue.)
1 - Wiring; 2 - Bolts; 3 - Nuts; H4/1x1, H4/2x1 - Wiring connectors; H4/1, H4/2 - Speakers
(Article text obtained from the website: mercedesman.ru)
Front door speakers (models from 03.94.)
1 - Wiring; 2 - Bolts; H4/1x1, H4/2x1 - Wiring connectors; H4/1, H4/2 - Speakers
Rear door speakers (models up to 02.94 year of issue.)
1 - Nuts; 2 - Speaker with resonator; H4/3x1, H4/4x1 - Wiring connectors
Rear door speakers (models from 03.94.)
1 - Bolts; 2 - Speaker with resonator; H4/3x1, H4/4x1 - Wiring connectors