Mercedes-Benz S400 Speaker Size

Front Door Panel Speaker

Rear Door Panel Speaker

Mercedes-Benz S400 Speaker FAQ

What speakers should I replace first in my Mercedes-Benz S400?

Replace the front door panel speakers first. The 6.5 inch front speakers handle most of your music's critical frequencies - vocals, instruments, stereo imaging. These drive your listening experience more than rear speakers. Front door placement also means better power delivery from your head unit, typically around 15-25 watts RMS. Rear door speakers mostly fill in ambient sound and bass support.

Can I install component speakers in both front and rear doors of my S400?

Yes, both locations accept component systems. The front door panels and rear door panels can accommodate separate tweeters and woofers. Component speakers typically offer better sound staging - maybe 3-4 dB improvement in clarity compared to coaxials. You'll need to plan tweeter mounting though. Some installers prefer keeping coaxials in rear positions since... well, precise imaging matters less back there.

What's the difference between coaxial and full-range speakers for the Mercedes-Benz S400 rear doors?

Full-range speakers typically cover wider frequency response - often 60 Hz to 20 kHz versus coaxials at maybe 80 Hz to 18 kHz. The rear door panel location benefits from full-range because it handles more bass frequencies naturally. Coaxials have integrated tweeters that can sound harsh in rear positions. Full-range designs tend to blend better with your S400's acoustics, creating smoother overall sound.

Will 6.5 inch aftermarket speakers fit the Mercedes-Benz S400 door panels without modifications?

Most 6.5 inch speakers should fit, but mounting depth varies significantly. Measure your current speaker wells - typically around 2.5-3 inches deep in S400 door panels. Check impedance matching too. Your factory system probably expects 4-ohm loads, though some handle 8-ohm speakers reasonably well. Power handling around 50-75 watts RMS works well with most head units.

Should I choose component or coaxial speakers for better bass in my S400?

Neither option significantly improves bass response - both 6.5 inch formats hit physical limits around 80-100 Hz. Component woofers might give slightly better mid-bass punch because they're dedicated drivers. But real bass improvement requires subwoofers or larger speakers. The Mercedes-Benz S400 door panels just can't accommodate bigger drivers. Focus on midrange clarity and consider adding a subwoofer separately if bass matters.