Mercedes-Benz GL350 Speaker Size

Front Door Panel Speaker

Rear Door Panel Speaker

Rear Roof Speaker

Center Dash Speaker

Cargo Area Speaker

Mercedes-Benz GL350 Speaker FAQ

Which speakers should I replace first in my Mercedes-Benz GL350 for the biggest sound improvement?

Replace the 6.5 inch door speakers first - both front and rear panels. These handle most of your music's frequency range and deliver the most noticeable upgrade. The front door speakers typically get 50-75 watts RMS and cover roughly 80Hz to 20kHz. Door speakers work harder than other locations because they're your primary sound source. Skip the 1 inch tweeters initially unless you're going full component system. The 3.5 inch center dash speaker can wait since it mainly handles dialogue and midrange fill.

Can I install component speakers in the Mercedes-Benz GL350 door panels?

Yes, the door panels accept both coaxial and component speakers in 6.5 inch size. Component systems separate the tweeter from the woofer - you'd mount the tweeter in the existing 1 inch location or dash. This gives better imaging since high frequencies come from ear level rather than down in the door. You'll need crossovers though, usually mounted behind the door panel. Some installers put them under seats instead. Component systems typically handle 75-100 watts RMS compared to 40-60 watts for basic coaxials.

What's the difference between the tweeter locations in my GL350?

Your Mercedes-Benz GL350 has tweeters in multiple spots - front door panels, rear door panels, and rear roof area. The door panel tweeters work with component systems and fire horizontally toward passengers. Rear roof tweeters create ambient fill for back seat passengers, usually running 10-20 watts. They're positioned for wider dispersion rather than direct imaging. If you upgrade to aftermarket components, you might bypass some tweeter locations. The door-mounted tweeters generally provide better stereo separation than roof-mounted ones.

Should I replace the 8 inch cargo area speaker in my Mercedes-Benz GL350?

The 8 inch cargo speaker handles both full-range and subwoofer duties, so upgrading it depends on your bass needs. It probably runs 30-50 watts and covers maybe 40Hz to 15kHz. If you want real bass impact, replace it with a dedicated 8 inch subwoofer rated for 100+ watts RMS. The cargo location is decent for bass since it's in the vehicle's acoustic center. You could also add a powered subwoofer elsewhere and leave the factory 8 inch alone. Bass improvement here is less dramatic than upgrading your door speakers though.

Why does my GL350 have a 3.5 inch speaker in the center dash?

The 3.5 inch center dash speaker fills the stereo image gap between left and right channels. It handles center-panned content like vocals and creates better soundstage width. Most center speakers run 15-25 watts and cover midrange frequencies around 200Hz to 10kHz. In the Mercedes-Benz GL350, this helps with dialogue clarity and creates more cohesive sound across the wide dashboard. Some people disconnect center channels for better stereo separation. Really depends on your listening preferences and seating position.