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Hi,

I just plugged my car data into Amazon and it states this set of LED lights should fit, but they look a bit odd to me, has anyone else purchased this set or can you recommend a brand of LED lights to replace all the interior lighting (also the tag plate lights).

https://www.amazon.com/SiriusLED-Extremely-Chipset-Interior-Courtesy/dp/B0186P1MUW/ref=sr_1_2?qid=1566307823&s=automotive&sr=1-2&vehicle=1999-63-853-852--8-6-7-2272-1594-1-2-1721--4&vehicleName=1999+Mercedes-Benz+SLK230

Thanks!
They won't fit, you need festoon bulbs.

Domes are (I think off the top of my head) 37mm festoon and rear number plates are 39mm festoon.

THESE

HTH
 

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I didn't say that they wouldn't work, I said they wouldn't fit .. subwiz's search on Amazon brought up T10/W5W which fit the facelift 2000-2004 domes, not the pre-facelift '99 domes which use festoons ..

HTH

Good link btw :tu:
 

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Discussion Starter #7
Help choosing LED lights

Hi,

I've read a fair bit on the forums and got myself a little confused with all the different sizes and types of bulbs. Finally I found a web page which made is really simple for me to understand what the bulb sizes are in my 1999 SLK230 https://www.automotivebulbfinder.com/philips/

Front Fog Light H1
Low Beam Headlight H7
High Beam Headlight H7

One of the front fog lights is not working and to be hones the factory bulbs are a little too low powered for night driving with my vision!

I've decided to purchase the following LED lights and was wondering if any members have the same lights already installed before I purchase.

https://www.amazon.com/HIKARI-Headlight-Conversion-Adjustable-Warranty/dp/B07PZC16SF/ref=sr_1_7?keywords=H1+bulb&qid=1567362487&s=gateway&sr=8-7&th=1

Thanks!
 

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@subwiz, I don't know if you have evaluated the bulbs. I tend to follow this guy's thinking. https://www.danielsternlighting.com/
Led headlight replacements of this type are not satisfactory in my experience. The lights may appear whiter but not brighter. Often it is possible to improve things by just replacing the bulb for a new one. Filament bulbs fade quite rapidly. Another approach if regulations in your area allow it is to consider offroad bulbs. Those that are sold as 80w are generally about 20% brighter than the standard 55w bulb. (I know the math doesn't appear to stack up, but the 55w refers to 12v output and the 80w is at 13.? ). They run a bit hotter of course, but as the good Mr. Stern points out this generally should not be a problem.
The way to go is to fit really high power bi-led units, but I don't think the SLK housing is big enough to accommodate the necessarily large cooling fans and lenses which is a shame. I've got 4 of the i.lens units in a Saab 9-5 and they really light up the world.
https://youtu.be/0rUNNhmy1Zo

When I bought my car the previous owner had fitted Depo headlights and I now have Phillips H4 LED bulbs installed. They are the same light output as halogen bulbs so I stay more or less legal. They don't fade, are nice and white and are designed to mimic the halogen filament layout so the light pattern stays as it should .

PS I seem to have sort of hijacked the thread since it was really about interior lights. Sorry!
 

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I used 42mm festoon blue LED "bulbs" for the dome and license plate lights. I should have gone with the 39mm, but I got them installed. Definitely not going to pop loose. I have gotten several compliments on how they look. Will get some pic to share
Also, I have updated all the exterior bulbs to LEDs as well. Huge increase in brightness. For the break lights I installed bulbs that have a 3 blink then steady on circuit built in.
 
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