W204 Build thread: "All In"
Before / Start of the Journey
Got her originally in 2015 when I first moved to the states; had 41k miles, clean and no issues at all. Spent 35k IIRC, plus 4k for a carchex warranty (3yr/36k) that probably wasn't worthwhile looking back on it.
Images / "before pics" in the spoiler below. These pics are bone stock so nothing too special. Mostly a reference point.
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Current Plans for the Car
Each line item will link to a post in the thread where I posted about it. Some are already done at the time of making the thread, so I'll make those over the next few days as and when I find some time.
Replace interior door trims - grey / wood finish -> black aluminium finish (done Sept 18)
Interior Android 10.25 headunit (done Jun 18, again Jun 19 with more RAM)
Custom E63 AMG style steering wheel with leather airbag trim (done Sept 18)
B8 Bilstein Shock replacement (fronts) (done sept 18)
Porterfield R4S pads (done jul 19)
Custom W205 style Headlight retrofit (done Nov 19)
Panamericana grille retrofit (done Mar 19)
Custom Black series 4 door bodykit (ordered, ETA mid-Jan 20, fitting Jan-Feb 20)
Wider wheels for the bodykit (TBD? suggestions welcome)
Facelift style side mirrors
LED Tron Tailights retrofit (w/ sequential orange turn indicators) (done dec 19)
Interior facelift dash retrofit
Interior COMMAND unit retrofit 5s1
Interior lighting LED replacements
Side marker and fog deletion
Headbolt replacement (preventative?)
Transmission / ECU tune?
AutoFlex / Paint (thinking slate blue currently, something like these:
Last edited by iamthe0ne23; Dec 30, 2019 at 08:02 PM. Reason: spoiler tags on images for size of post
End result:
Parts list used:
Headlight pair (~330USD) (comes with the canbus resistors and H11/H9 halogens)
Xenon -> Halogen Harness (90USD, only needed if you have stock Xenon package)
Morimoto HID kit, H9 / H11 style (150USD): Optional, but honestly the yellow from the halogen really ruins the look of these IMO so I'd advise you get them
Katana LED Highbeams (40USD) : Same reason as the Morimoto but you don't want Xenon for highbeams so LED is the way to go. Honestly could even keep halogen here since it won't affect the look at all unless you use the highbeam which is pretty rare.
Zip ties or Mounting Frame for Morimoto HID Kit (optional, only if you use the HID kit)
Overall mod rating: 9/10. Really happy with the end result so far. 1/10 removed for what a PITA it was to find the Xenon->Halogen harness online, without it these headlights can't be used if you have Factory Xenons. Also reliability TBD, had them 2 weeks so far and no errors or weirdness yet but we'll see
Process:
Plenty of guides online for removing the headlights, so follow one of those. Bumper off, three bolts holding each headlight, easy peasy.
Next, The connector that was going into the headlight needs to come apart. In theory the harness fits on it without doing this but I broke one when I tried that so what I ended up doing was removing the plastic surround for the plug from the car by using a flat screwdriver and levering the connector's innards out. Don't use too much force or it'll snap, but it's not going to come out easy either. It'll look kind of diagonal if you did it right and the back of the plug will be recessed on one side. Do the same on the other side and it'll pop out. Now insert this into the harness you bought online, make sure it's firmly seated. THEN push the original plastic housing over the new housing to seal it up and you're good to go.
The end of the new harness has two connectors, one looks similar to the stock connector and will fit directly to the new headlight unit. The other is a 9006 style connector, so you'll either need an adapter to adapt it to H9 (easy to make or cheap to buy) - but if you're using a HID kit you'll be drilling the housing anyway to make that work, so just buy the H9 kit to make your life easier.
I wanted the HID ballasts angled downwards and away from high heat sources, so they're behind the headlights to the far right and left of the engine bay. Drivers side gets REALLY crowded when you have the aftermarket bulb resistors, the HID ballast, igniter and canbus power source, and the 90$ harness. You have to be careful where you mount everything to ensure you still have access to bolts and adjusters for the headlight or you'll struggle to get good fitment.
Some pics below of the install process (inconsistent quality because they're mostly for my own notes as I was working since it only occurred to me to write this up and share the day after I was done)
Any questions let me know, but overall once you know what to buy it's fairly simple to put together. All in all maybe 8 hours work if I had to do it again from scratch now (including the 3 hours spent re-aligning the headlights lol)
Last edited by iamthe0ne23; Nov 22, 2019 at 12:58 AM.
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Outside of warranty as a long-term keeper, I'd say HBs are a must. If the top-ends quiet (including start-up) and you're a DIYer, just HBs may be fine but if you're paying someone and/or you just don't want to keep messing with it - probably good to replace the lifters and maybe look into adjusters/camshafts - things to research/consider if you're crunching #'s.




I recently picked up a PanAm grille for our GLK and love it. Had to take it in to MB last week for some warranty work, and the guys there were going crazy over the look.
Looked around for a FL version for the C63 but sadly was unable to find anything, only PFL.




I recently picked up a PanAm grille for our GLK and love it. Had to take it in to MB last week for some warranty work, and the guys there were going crazy over the look.
Looked around for a FL version for the C63 but sadly was unable to find anything, only PFL.
I did a full facelift replacement it wasn't bad at all - surprised more folks don't do it. All you need is DEPO headlights and a facelift hood. You'll get all of that with a BS kit but just saying..
I recently picked up a PanAm grille for our GLK and love it. Had to take it in to MB last week for some warranty work, and the guys there were going crazy over the look.
Looked around for a FL version for the C63 but sadly was unable to find anything, only PFL.
HBs are for sure getting done just a matter of when. Since the car will be in bits for at least 8 weeks or so and doesn't get used in the winter I have it lower on the list. By the time summer comes around they'll be on.
Harness for the wiring from a store called dmpcardesign. Based out of malaysia but great shipping speed. not the best quality (they sand/grind the plastic connector by hand I think) but works well and the only vendor with any kind of rep.
@Texas E63 I think I bought some parts from you on marketplace! Good to see you're still around.
The center console with leather has yet to go in
PA Grille is PFL only as far as I can tell and also non-63 only but can be modified to fit and get good decent fitment. Top has pins/bumps that needed grinding down, the hood of the 63 has a two part grille as well so the upper level needs removal, then it's within 3-4mm of extra gap on the hood -> bumper panel and grill -> bumper panel. Asking the bodyshop fitting my bodykit to see if they can adjust it to be exact fitment, but for now the hood still fully latches and closes comfortably and 3-4mm is totally unnoticable from >2ft away so I'm happy with it. Got it from dmpcardesign as well IIRC but amazon and ebay have equivalents too.@SatelliteMan The kit is from a company in Montreal called Yomato carbon. Their other stuff has good reviews despite this kit not having any so I took a risk, ~5k or so without the hood and with the carbon fiber bits. Link with pics (mine is the 4dr kit though they PM'd me pics of that on instagram and it looks just as good.) https://yomatocarbon.com/collections...mg-sedan-coupe
Ordered LED Tailights with sequential orange turn signals today, should be here in 2 weeks.
Last edited by iamthe0ne23; Nov 22, 2019 at 01:04 AM.




GLK - will post a link to my GLK build thread when I make it over on that forum so we don’t clog this one up. I clearly can’t be trusted to leave anything alone.
Here’s my GLK thread: https://mbworld.org/forums/glk-class...ld-thread.html
Last edited by BLKROKT; Nov 30, 2019 at 04:05 PM.
Note for anyone thinking of doing the lights; you can NOT use the hood from the kit with these lights, as the lights are PFL only and the hood is FL only. I bought the kit without the hood because I'm not a fan of the vents and it saves like $1k on the cost of the kit (installing is gonna cost ~5k including paint etc because it's a pretty involved kit, at least that's the best price I could find within 200miles from a reputable shop.)
Updated the second post with pics and more details of the custom headlight install btw.
Last edited by iamthe0ne23; Nov 22, 2019 at 01:09 AM.
Can you post a link for the Xenon to halogen harness?




Luckily he has Flexx to advertise for him
Coupe fitment is the same afaik, pfl/fl is all that matters.
Just search dmpcardesign w204 halogen xenon. Afaik I can't link to vendor sites here unless they're a forum sponsor, but correct me if I'm wrong on that.






