Mercedes-Benz SLS AMG Speaker Size

Speaker size, type, and location chart for Mercedes-Benz SLS AMG models from 2011 to 2015 production years.

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Rear Door Panel Speaker

YearsTypeSize (inch)
2012 - 2015Midrange3.5
2011 - 2013Midbass / Full-Range6.5

Front Door Panel Speaker

YearsTypeSize (inch)
2011 - 2015Midbass / Full-Range6.5

Mercedes-Benz SLS AMG Speaker FAQ

What speakers should I replace first in my Mercedes-Benz SLS AMG for the biggest sound improvement?

Replace the front door panel 6.5-inch speakers first. These handle the majority of your music's frequency range and sit closest to your ears. The front speakers in the SLS AMG typically run around 4-8 ohms and can handle 75-150 watts RMS. Since they're available as both coaxial and component options, you get flexibility in your upgrade path. Component systems will give you better imaging - the tweeter separation creates a wider soundstage. But quality coaxials around 90-100 watts RMS can still deliver solid improvement over factory speakers.

Why does my Mercedes-Benz SLS AMG have different rear speaker sizes between model years?

The 2012-2015 models use 3.5-inch rear speakers while 2011-2013 models have 6.5-inch rears. This likely reflects interior redesign or acoustic tuning changes. The 3.5-inch speakers focus on mid-range fill rather than full bass response - they're essentially rear fill speakers running maybe 40-60 watts. The 6.5-inch versions from earlier years could handle more power, probably 75-100 watts, and provided broader frequency response. Your SLS AMG's rear speakers mainly support the front soundstage anyway. Don't expect deep bass from either size in those door locations.

Should I choose coaxial or component speakers for my Mercedes-Benz SLS AMG front doors?

Component speakers typically offer better sound quality if you're serious about audio. The separate tweeter in a component system can be aimed independently - crucial in the SLS AMG's low seating position. You get better imaging and stereo separation. However, coaxial speakers are simpler to install and might make more sense if you're keeping the factory amplifier. Quality coaxials around 4 ohms can work well with factory power. Components usually need more power to reach their potential, maybe 100+ watts RMS. The choice depends on whether you're planning amplifier upgrades too.

What power ratings work best with Mercedes-Benz SLS AMG factory amplification?

Stick with speakers rated around 75-100 watts RMS for the front 6.5-inch positions. The factory system probably delivers 50-75 watts per channel, so you want speakers that can handle this without requiring more power to sound good. Look for 4-ohm impedance to match factory specs. For the rear speakers, especially the 3.5-inch ones in later SLS AMG models, 40-60 watts RMS is plenty. Higher power ratings won't hurt, but you're not using that extra capacity with factory amplification. Sensitivity matters more - aim for 88+ dB sensitivity to get decent volume levels.