Mercedes Cl203 5 25 Speaker Adapter – 2000-2007 Mercedes-benz C-class W203

Replace a broken or missing mercedes cl203 5 25 speaker adapter on your 2000-2007 Mercedes-benz C-class W203 with this 3D-printed part, produced to order by PartsRemade.

About this part

This is an adapter for the 5.25 rear speakers of the CL203 (Compatible with W203 too, if you want to check if this file is compatible the part number of the original part is A2038201202 / 2752507830. Also on the files you'll see a PDF that is a top view draw of the thing, and printing that you can check if everything matches with your mount/speaker.

I had to replace my rear speakers and wanted to mount some after market speakers, with this adapter you can keep everything pretty stock.

On the makes section you can see the one I did for my car (actually one for each door but took just pictures of the first one for the purpose.

Printed in 1.75 PLA at 218°c and layers of 0.12, probably an overkill but it is winter in the south and faster printing was leading to other problems because I print without enclosure. That aside, everything worked pretty well in my case, the stock speaker box has some ribs I had to reduce because it touched my speaker (rockford fosgate sp54 4ohm woofers).

I will soon create an adapter for the front speakers.

Something else to keep in mind regarding changing the speakers on this car, stock speakers are well balanced in terms of ranges, so for the rear speakers you have to peek something that tends to the low-mid range, and the front something on the high-mid range. I've seen that a few of these coupes that had after market speakers and I personally don't like when sound is balanced to the mid high range. Another option is to get the center woofer that comes with the bose kit, I thought installing that one but as I'm using the headunit internal amplifier (pioneer w8400 nex that pushes the so standard 50w rms) I don't want to mess with another thing just to get a woofer there unless I find some justification for myself.

Compatible vehicles

• 2000-2007 Mercedes-benz C-class W203

Always compare with your original part before ordering. Fitment can vary by trim level and production date.

Specifications

Print settings

Standard FDM printing settings:
- Layer height: 0.2mm
- Infill: 70%
- Supports: As needed

How to order

This part is in our catalogue and is printed on request. Send us a request with your vehicle details and we will reply with a price and delivery time.

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Design credit: original design on Thingiverse, licensed CC BY-4.0.