Mercedes-Benz SLK55 AMG Speaker Size
Speaker size, type, and location chart for Mercedes-Benz SLK55 AMG models from 2005 to 2016 production years.
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Front Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2005 - 2016 | Midbass / Full-Range | 6.5 |
| 2005 - 2010 | Tweeter | 1 |
Rear Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2012 - 2015 | Midrange | 3.5 |
| 2013 | Midbass / Full-Range | 6.5 |
Behind Rear Seat Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2005 - 2010 | Tweeter | 1 |
Center Dash Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2005 - 2010 | Full-Range | 3.5 |
Mercedes-Benz SLK55 AMG Speaker FAQ
What speakers should I replace first in my Mercedes-Benz SLK55 AMG?
Replace the front door panel speakers first - they're your primary sound source. The 6.5-inch units handle most of your music's frequency range. Whether you go coaxial or component depends on your budget. Component systems with separate tweeters give better imaging but cost more. The front doors do the heavy lifting in the SLK55 AMG's cabin.
Can I use component speakers in the front doors of my SLK55 AMG?
Yes, the front door panels accept both coaxial and component 6.5-inch speakers. Component systems separate the tweeter from the woofer - typically you'd mount the tweeter in the existing 1-inch location or custom mount it. This setup might give you better stereo separation than coaxials. The wiring harness should accommodate either configuration, though you may need crossovers for components.
Why does my SLK55 AMG have different rear speaker sizes depending on the year?
Mercedes changed the rear speaker configuration. Earlier models use 3.5-inch units, while 2013 models jump to 6.5-inch speakers. The larger speakers can move more air and handle lower frequencies better. If you're upgrading a 3.5-inch system, you're pretty limited - these small drivers struggle with bass response. The 6.5-inch rear setup gives you more upgrade potential.
What's the difference between full-range and coaxial speakers in the SLK55 AMG?
Full-range speakers try to reproduce the entire frequency spectrum with one driver. Coaxial speakers have a separate tweeter mounted on the woofer cone - essentially a 2-way system in one unit. The center dash and some rear positions use full-range 3.5-inch speakers, which honestly can't do much below maybe 150Hz anyway. Coaxials generally sound better because the tweeter handles highs more efficiently.
How many watts should replacement speakers handle in the SLK55 AMG?
Most aftermarket head units put out 15-25 watts RMS per channel. If you've got the premium audio system, it might push closer to 40-50 watts. Look for speakers that handle at least 30-50 watts RMS to give yourself headroom. The impedance should be 4 ohms - that's what the factory system expects. Higher wattage handling doesn't necessarily mean louder, but it does mean cleaner sound at higher volumes.
Should I replace the 1-inch tweeters in my SLK55 AMG?
The 1-inch tweeters in front door panels and behind the rear seat focus on frequencies above 3000Hz. If you're installing component speakers up front, you'll likely replace these anyway with the component tweeters. For the rear tweeters behind the seat - they add some sparkle to the sound but aren't critical. Silk dome tweeters tend to sound smoother than metal ones, especially in the confined SLK55 AMG cabin.