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Boslla B4 series on Mercedes
Mounted Boslla B4 series H11 with ballasts and decoders as fog lights on Mercedes B AMG. It works perfectly. Only that remains is to see how long it will last.

BOSLLA is the world’s first multi-color LED headlight bulb that works perfectly in rainy, foggy, snowy, and sunny weather. We provide not only safe driving but also fun driving at night.
Boslla (boslla.com) has 121 customer reviews on Five Star Index, with an average rating of 3.4 out of 5.
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121 approved reviews, newest moderated first
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Mounted Boslla B4 series H11 with ballasts and decoders as fog lights on Mercedes B AMG. It works perfectly. Only that remains is to see how long it will last.
jonathan B.
I love the 3 modes it’s a nice way to standout in traffic. The installation was overall pretty easy. The hardest part was finding where to secure that battery. Use zip ties! My signal lights don’t work great they don’t always signal when I’m making a turn. The lights fit loosely compared to classic halogen bulbs making it difficult to face them the right way while also having them secure. One more thing to add, during the installation I was going back forth from the inside of my car to control the lights and during freezing temps my hood’s hydraulics that keep it up failed and the hood closed right on the light I was installing and that LED didn’t dent at all incredibly durable.
Nate
Good priced, shipped when expected. So happy with outcome I got high low and fog all with the 4 modes I like the strobes for plowing and landscaping I like having the yellow on headlights or fogs when I want the white is bright the yellow is not the cheap dull yellow like my previous cheap ones. I can't wait for fog to really rest them out. And when my high beamscare on my low beams are also on so you deff see me coming don't even use my light bar anymore.
Marisa
We were very pleased by my purchase. Thank you!
Jennifer
Update on my bad review on Boslla. They finally contacted me and asked for pictures of the shipment received and they did send the replacement headlights that were originally ordered. My son put them in and they work and he's happy and we're happy. They did make it right!
Š P.
Fast shipping and quality leds. These are better and way brighter than the ones sold on amazon. Overall 10/10 would recommend
john
the item i ordered didnt fit my make,model,and yr from the drop down options..i work on my vehicle regurarly and know how to work on vehicles…i emailed boslla about a return because their website says “money back guarantee” but thats false advertisement because they offered me 2 options….option 1 was to keep item and they would issue me a refund of $20….option 2 was return item minus a $8+ restocking fee plus i have to pay the shipping to return item when there website gave me wrong options to choose from cuz item didnt fit…both options gave me about the same $20 in refund…company needs to update their system and make 100% sure item fits that vehicle…ended up ordering from another company and they fit and a bit cheaper
Jose L.
Fast shipping, good quality products 3rd time I've purchased from them.