Does this bulb requires a ballast? My mercedes 2014 glk 350 use H7 55w low beam bulb but amazon states that it does not fit my car.

This is an Halogen bulb for H7 55w, it doesn't require ballast, because this is for HID light bulbs. however, you need to make sure if your car uses halogen bulbs (H7-55W) or HID bulbs, if your car requires HID bulbs (H7-55W) this light bulb doesn't fit your car, but if your car requires halogens it is the best choice. Cool white color, not blue not yellow at all. I strongly recommend this light bulb.

How long do these lights last?

I bought these lights fro my BMW 328i for low beams on Jun-02-2013, and these are working very good so far, it's cool white and very bright, however from other cars with sunlight the light looks like ice blue it's really cool, also keep in mind that I used my car on weekdays for commuting work 45 min, to work and 45 min going back home

Philips stop Diamond Bulbs production more than 6 months ago. Is this old production part?

I just ordered mine 2 weeks ago and installed it on my car. Looks great so far.

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💙 Illuminate your ride with bold blue brilliance!

NOT FOR EU ROADS - Designed for styling only—non-road legal in the EU, perfect for show cars and private use
EFFORTLESS UPGRADE - Direct replacement for your existing H7 bulbs—no modifications needed
SLEEK MODERN GLOW - Whitest halogen upgrade available to elevate your vehicle’s aesthetics
STAND OUT WITH STYLE - Distinctive 5000K blue light for a head-turning look
LIGHTWEIGHT COMPACT - Only 200g with a compact 5.4 x 10.8 x 12.9 cm size for easy installation

Philips Diamond Vision H7 bulbs deliver a striking 5000K blue light that transforms your vehicle’s front-end style. Designed as a plug-and-play upgrade, these bulbs fit standard 12V H7 sockets without any modifications. While they offer the whitest halogen glow available, they are not road legal within the EU, making them ideal for enthusiasts seeking standout aesthetics on private or off-road vehicles.

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Manufacturer	Philips
Brand	Philips
Product Dimensions	5.4 x 10.8 x 12.9 cm; 200 g
Item model number	12972DV
Manufacturer part number	otev8711500697479
Position	Front
Mirror lighting type	H7
Voltage	12 Volts
Item Weight	200 g

Philips Diamond Vision H7 Upgrade Car Headlight Bulbs 5000K (Twin)

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