We consider a w221 headlight upgrade to be a worthy investment in the long run. In the following post, we will help you to select the best w221 headlight upgrades.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Auxito W221 Headlight Upgrade READ REVIEW

Best With Fast Shipping: Buy: Fahren W221 Headlight Upgrade READ REVIEW

Best With Nice Brightness: Buy: Sealight W221 Headlight Upgrade READ REVIEW

Best With Adjustable Buckle: Buy: Lightening Dark W221 Headlight Upgrade READ REVIEW

Best For Passenger Side: Buy: Lawtoolight W221 Headlight Upgrade READ REVIEW

Best With Zero Issues: Buy: Leppein W221 Headlight Upgrade READ REVIEW

Best For Light Housing: Buy: Vorock8 W221 Headlight Upgrade READ REVIEW

Best For Small Size: Buy: Poison Scorpion W221 Headlight Upgrade READ REVIEW

Best For Radio Interference: Buy: Aukee W221 Headlight Upgrade READ REVIEW

Best For Brighter Light: Buy: Marsauto W221 Headlight Upgrade READ REVIEW

Best For Local Us Support: Buy: Lasfit W221 Headlight Upgrade READ REVIEW

Best For Heat Dissipation: Buy: Lablt W221 Headlight Upgrade READ REVIEW

Best Overall: Auxito W221 Headlight Upgrade

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Compared with other headlights in this category, the Auxito W221 Headlight Upgrade has a design with broader appeal. The auxito w221 headlight upgrade installed easily. It is easier to install and has an upgraded design. The Manufacturer says: We actively cater to the needs of our customers, launching and improving products every year. The same size as a halogen bulb, non - polarity socket, simply plug and play like oem bulbs, and fit into the factory housing perfectly without any modification.

The headlight is definitely brighter, it provides for better vision and has a nice design. Moreover, it has improved brightness, looks great and it is perfect for current draw. Lastly, the auxito w221 headlight upgrade is expensive, it is really bright and has an awesome design.

Most buyers found that the headlight has h4 lamps, and will work with no problems. And, a few say that the upgrade is great for about 6 months when the actual brightness of the headlights diminished and the bulbs lost about 30% of their power. Moreover, a few say that the functionality and appearance of this bright white headlight is very nice. Obviously, this upgrade passed the test and had very satisfied buyers eager to share their experience.

• This is not a DTC so it cannot be cleared by the obdii device.
• This is a great upgrade for a halogen headlight car.
• This is worth the money hands down.
• This is always the driving force behind auxito's progress.

Best With Fast Shipping: Fahren W221 Headlight Upgrade

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Next on the list, we've got yet another upgrade that manages to win our hearts. It's the Fahren W221 Headlight Upgrade and it's widely considered as one of the most convenient upgrades you can buy. The fahren w221 headlight upgrade allows for super bright light, is fitment, it is bought high and has a nicely design. The Manufacturer says: Refer to "how to pick the right bulb size" in our product description. Also, it has good build quality, it allows for nice lights and has an awesome design.

The headlight installed the following, It looks good and has an adjustable beam design. Lastly, the fahren w221 headlight upgrade has a slight blue tint, is really easy, it has an upgraded cooling driver and has a nice design.

Most customers agree that the upgraded features but the headlights were lacking. Moreover, a few also found that the upgrade looks much better, too to add to that fits your make and year. Moreover, they strongly agree that this makes more space for the new bulb tabs to go under the white lock ring when twisting the new bulb into the housing. To sum up, for almost all customers, Fahren product was just what they wanted.

• This takes 9005 or h3 bubs... yes they will work.
• This is easy to install and directions are straight forward.
• This is great for high beam reflector housing in a 2020 honda civic.
• This has a slighter blue tint rather than the pure white in the picture.

Best With Nice Brightness: Sealight W221 Headlight Upgrade

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The Sealight W221 Headlight Upgrade's material feels more premium than its price would suggest. The sealight w221 headlight upgrade buy again, is perfect for high beam light and it is designed for a great price. 1 halogen focus beam pattern, you can see farther, gain more react time, without blinding oncoming drivers, also perfect for a pickup truck. In addition, it is best for light source and it is great for decent quality.

The upgrade goes ahead, It is very happy and has an awesome design. Finally, the sealight w221 headlight upgrade is working great, It looks good, it is perfect for very bright lights and has a compact fanless design.

Almost all buyers opine that the upgrade is best for "city" drivers. In addition, they also found that the headlight is the truly amazing thing with these led bulbs. Also, they strongly agree that the upgrade is the 3rd and lasts for over 2 years, brighter than other brands, cheaper than most, fit like a glove, overall high beams are also blue 6k. To sum up, the tone of buyers is very positive and we believe that the headlight suits the purpose.

• These are double beam, high beam and low beam together in one bulb.
• This can be bought for good value, It works well and has a nicely design.
• This bulb is a budget - friendly upgrade to conventional halogen bulbs.
• This is easy to remove by lifting two metal spring retainers.

Best With Adjustable Buckle: Lightening Dark W221 Headlight Upgrade

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We would, of course, be remiss if we didn't mention Lightening Dark W221 Headlight Upgrade for daily purpose. The lightening dark w221 headlight upgrade is designed for use in heavy rains. With the all degrees adjustable mounting collar, you can make a simple angle adjustment for proper alignment of the bulb mounts to get the perfect light output and correct beam pattern. In addition, it is sturdy and it can be installed easily.

Lastly, the lightening dark w221 headlight upgrade is 16, 000 lumens, 6500k xenon white, 200% brighter than halogen bulbs.

Most buyers quickly discovered that the headlight had seen almost 4 weeks of use. And, a few strongly agree that the headlights are great for the Toyota Highlander. And, a few say that the vehicle bulb replacement guide information of a 2005 chevrolet silverado 1500 is listed below. To sum up, at the price, they believe that they got a steal of a deal with it.

• This fits and twists right into the socket without struggle.
• This has no issues, is great for a decent price and it is very happy.
• This allows for huge improvement and it can get great light.
• These are a tiny bit brighter. They would be great.

Best For Passenger Side: Lawtoolight W221 Headlight Upgrade

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The Lawtoolight W221 Headlight Upgrade's high-end materials makes sure that it ages well with use. The lawtoolight w221 headlight upgrade is great for long life, It comes with four bulbs and has a nice design. Make sure this fits by entering your model number. This restriction applies to all brands of led headlight bulbs on the market.

The upgrade means no glare, no black spots on coming vehicles and it is safe and reliable. Above all, the lawtoolight w221 headlight upgrade would be perfect with a long lifespan and it is designed for a good appearance.

Most customers quickly discovered that the headlight works for 2010 titan, plus it is really what is shown in the picture. And, they strongly agree that the headlight has two prongs that fit into the bulb housing, so don’t buy this one. Also, a few say that the upgrade has the resistor, a little pain in the ass to install (locking mechanism) The light is much brighter than factory halogens. To sum up, at the price, they believe that they got a steal of a deal with it.

• This is an intense blue and white light that makes everything stand out at night.
• This will say the 9005 is the replacement bulb for this truck.
• This has not approved any brand led headlights for street use.
• This provides wider and farther lighting ranges, 300% brighter than the halogen bulb.

Best With Zero Issues: Leppein W221 Headlight Upgrade

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If you often find yourself confused about appropriate and satisfactory headlight, Leppein W221 Headlight Upgrade is your solution. The leppein w221 headlightupgrade is great with great quality, makes for a great buy and it has a big difference. Put out enough light ahead or to the sides, ensuring your safe drive. In addition, this is very happy and it has led type.

The upgrade is a good buy and it comes with an adjustable locker ring. Moreover, the headlight is made with great lights, is designed for a great price and it is best for very bright lights. Lastly, the leppein w221headlight upgrade has excellent lights and it has high luminous efficacy flux.

Most customers quickly discover that the upgrade can not work with you at the same time. Further, they also found that the headlights are perfect (a little snug with the stock collar, but be gentle and you'll get it on), and they are bright and beautiful with the same beam pattern as stock bulbs. Also, a few say that this h13 size can fit your 2008 jeep with a high beam and low beam in one bulb, but maybe your car needs a decoder to work with the led headlights. To sum up, the tone of buyers is very positive and we believe that the upgrade suits the purpose.

• The Manufacturer says: our led bulbs will work with most vehicle'ssssss computer systems without error.
• Enjoy your long trip with those ip65 water resistance bulbs.
• These fit with zero problems and also provide a nice white light.
• They fit perfectly, they look great and it is incredible.

Best For Light Housing: Vorock8 W221 Headlight Upgrade

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The Vorock8 W221 Headlight Upgrade's high-end materials makes sure that it ages well with use. The vorock8 w221 headlight upgrade is compact, it is fitment and has a non-polarity design. You need to check which position the bulb size fits your car when you are using the Amazon filter system. This dual beam bulb has 3 sides of led chips, 2 sides as low beam and 1 side as high beam, so this bulb is featured for its wide and bright low beam light. Low beam is more frequently used for daily driving.

The headlight is highly recommend, it has incredibly bright headlights and has a nice design. Finally, the vorock8 w221 headlight upgrade fits perfectly and has a cooling fan design.

Most buyers agree that the headlight come with a little better instructions. In addition, they also found that the headlights are way too bright to be an over the road kind of bulb. Also, they strongly agree that this dual beam bulb has 3 sides of led chips, 2 sides as low beam and 1 side as high beam, so this bulb is featured for its wide and bright low beam light. Low beam is more frequently used for daily driving. In conclusion, many have used the upgrade for more than a few months without any complaints, and it shows no sign of giving up.

• This is a strange reason to complain, but these are beyond bright.
• These led bulbs are a really good upgrade from stock halogen bulbs.
• These look like the landing lights of a 737.
• This fits a 2005 dodge ram truck.

Best For Small Size: Poison Scorpion W221 Headlight Upgrade

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Not everyone likes to purchase headlights for their daily purpose, but the Poison Scorpion W221 Headlight Upgrade would be an anomoly. The poison scorpion w221 headlight upgrade is easy to install in 20 minutes. The Manufacturer says: If you are looking for a better led bulb, then we recommend you to use poison scorpion lamps, We provide customers with satisfactory service and comfortable use. Further, it is compact and has an awesome design.

Most importantly, the poison scorpion w221 headlight upgrade is sturdy, it is really bright and has a cooling fan design.

Almost all buyers found that the upgrade would fit the 2000 Chevy silverado 1500. Also, they say that the upgrade fits a 2016 chevy cruze ltz perfectly fine, despite Amazon stating that it wouldn't fit the car. Furthermore, a few also found that the headlight is great in a 2000 ranger. Without any doubt, this upgrade passed the test and had very satisfied buyers eager to share their experience.

• This will work on a 2001 tahoe.
• This does for heat dissipation theory and has a degree adjustable design.
• This will help someone else and can also be used as fog light.
• This comes with a 1-year warranty.

Best For Radio Interference: Aukee W221 Headlight Upgrade

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The Aukee W221 Headlight Upgrade's superior materials makes sure that it ages well with use. The aukee w221 headlight upgrade makes for a very easy install, cut off line, It is great for customer service and has a canbus design. Some vehicles have their own specific retainers to hold the bulb in place, as different car models may design different types of retainers, so specific retainers are not included in the package, you need to get the specific h7 led retainers separately. Further, this makes for good light, It is made for high - speed silent cooling fan and has a waterproof design.

Lastly, the aukee w221headlight upgrade has a built-in EMC system, It works well for power supply and has a canbus ready design.

Almost all customers quickly discovered that the upgrade is used to replace h7 bulbs and many different ways to be installed. Also, a few say that the upgrade is a brand new car. And, they also found that the headlight comes in the middle of the wiring.

• This is not an easy job the first one.
• No adapter needed for bmw, it's an exact match to the halogen bulb.
• This will not hit the fan while in use.
• This is definitely a safety improvement over the halogen bulbs.

Best For Brighter Light: Marsauto W221 Headlight Upgrade

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We would, of course, be remiss if we didn't mention the Marsauto W221 Headlight Upgrade for daily use. The marsauto w221 headlightupgrade is best with amazing value and it is more stable. Make sure this fits by entering your model number. The bulb reaches its brightest level after a few seconds of lighting.

Finally, the marsauto w221 headlight upgrade is affordable, it has amazing lights and has an awesome design.

Almost all buyers opine that the headlight can work on a 2008 ford mustang with hidden factory headlight assemblies, but the notches on the plastic positioning ring are "reversed. Furthermore, a few also found that the headlight is a perfect fit for the 2018 field focus st. Moreover, a few strongly agree that the oem bulb prices out at over $ 100 per 1. Overall, many have used the headlight for more than a few months without letup, and it shows no sign of giving up.

• This buy again, is highly recommend, it allows for easy plug and has a waterproof design.
• Marsauto hid bulbs ensure the last 3500 hours lifespan, reducing your bulb replacement frequency.
• This instals the bulbs, It is made for the passenger side and has an all-in-one design.
• This is perfect right out of the box with no modifications needed.

Best For Local Us Support: Lasfit W221 Headlight Upgrade

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate headlight. The Lasfit W221 Headlight Upgrade is exactly that - it's a simple headlight that hits all the right notes. The lasfit w221 headlight upgrade is not unique to lasfit bulbs. Manufacturer says: If there is any error, we will provide buyers with solutions. These bulbs are polarity sensitive.

The upgrade has an excellent beam pattern and has an upgraded design. Most importantly, the lasfit w221 headlight upgrade looks great and it is best for good fit.

Almost all buyers found that the upgrade is easy to install but only fit high beams. Also, they also found that the upgrades are larger than the stock bulbs. In addition, a few also found that these bulbs are able to have a self - contained cooling system, They are only 20w a bulb, where the fan designs are usually 50. To sum up, the tone of buyers is very positive and we believe that the headlight suits the purpose.

• This is made with great lights and it is priced right.
• This h7 led light bulb is fit for the 2018 Mercedes c300.
• Lasfit l1plus series bulb has 1.
• Wireless and fanless design, same design as halogen bulb, just plug and play.

Best For Heat Dissipation: Lablt W221 Headlight Upgrade

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Next on the list, we've got yet another headlight that manages to win our hearts. It's the Lablt W221 Headlight Upgrade and it's widely considered as one of the most convenient headlights you can buy. The lablt w221 headlight upgrade is compatible with 99% of vehicles without error warnings or radio interference. 9006/hb4 led headlight bulbs conversion kit.80w(40w each bulb), 6000lumens (3000lms per bulb), 6000k cool white. Moreover, this provides up to 60% better cooling compared to those without fans.

The upgrade comes with high quality led chips make high brightness lightinglow voltage protection, with high precision constant current driver6063 heatsink aluminum heat dissipation structure designlow voltage protection, high precision constant current built-in driverip65 waterproof, dustproofeasy installation. Above all, the lablt w221 headlight upgrade is perfectly fit into your housing and factory sockets, and even in tight spaces.

• 9006/hb4 led headlight bulbs conversion kit.80w(40w each bulb),6000lumens (3000lms per bulb),6000k cool white.
• This features superior led chips, producing 6000lm light output per set.
• One of the newcomers and featured product.