{"id":4126,"date":"2026-11-08T12:27:01","date_gmt":"2026-11-08T11:27:01","guid":{"rendered":"https:\/\/www.retrofitguru.com\/?p=4126"},"modified":"2026-11-08T12:27:01","modified_gmt":"2026-11-08T11:27:01","slug":"xenon-projector-replacement-mercedes-actros","status":"publish","type":"post","link":"https:\/\/retrofitguru.com\/en\/blog\/vymena-xenonovych-projektoru-mercedes-actros\/","title":{"rendered":"Xenon projector replacement \u2013 Mercedes Actros MP4\/MP5"},"content":{"rendered":"<p>We have put together a guide to replacing the xenon projectors on the <strong>Mercedes-Benz Actros MP4 and MP5<\/strong> with new bi-xenon projectors from our <a href=\"https:\/\/retrofitguru.com\/en\/product\/mercedes-actros-bi-xenon-kit\/\"><strong>plug &amp; play kit<\/strong><\/a>. The projector is changed from the back through the bulb opening, the lenses stay sealed and nothing on the headlight is cut or drilled.<\/p>\n<p>Why bother? Over the years, heat from the bulb burns through the chrome on the reflector of the original projector. The bulb shines, but only part of the light gets out, so new bulbs alone usually don't help.<\/p>\n<h2>Projector replacement procedure<\/h2>\n<h3>1. Preparation<\/h3>\n<ul>\n<li>Check that the kit is complete and that your headlights are OEM xenon headlights.<\/li>\n<li>Read the whole guide first so you know what to expect.<\/li>\n<li>Have a Torx T20 screwdriver ready.<\/li>\n<\/ul>\n<h3>2. Removing the rear headlight cover<\/h3>\n<ul>\n<li>Release the wire clip on the rear cover and slide the cover out of its holder.<br \/><a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4190\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-1024x683.jpg\" alt=\"Wire clip on the rear cover of the Actros headlight\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-2048x1365.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-3-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/li>\n<\/ul>\n<h3>3. Removing the bulb and projector<\/h3>\n<ul>\n<li>Unplug the connector from the bulb and remove the bulb by turning it anticlockwise. Do not touch the bulb glass.<\/li>\n<li>Undo the four Torx T20 screws that hold the original projector.<br \/><a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4191\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-1024x683.jpg\" alt=\"Bulb and Torx screws of the original Actros projector\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-2048x1365.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-4-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/li>\n<li>Unplug the shield solenoid cable (it switches between low and high beam) and take the projector out of the headlight.<\/li>\n<\/ul>\n<h3>4. Adjusting the solenoid connector<\/h3>\n<ul>\n<li>Grind off the marked tab on the shield solenoid connector. The connector then fits the new projector. The first photo shows the connector before grinding, the second after.<br \/><a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4188\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-1024x683.jpg\" alt=\"Shield solenoid connector with the part to modify marked\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-2048x1365.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-1-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a> <a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4198\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-1024x734.jpg\" alt=\"Shield solenoid connector after modification\" width=\"800\" height=\"573\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-1024x734.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-300x215.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-768x550.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-1536x1101.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-2048x1468.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-11-600x430.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/li>\n<\/ul>\n<h3>5. Projector and bulb installation<\/h3>\n<ul>\n<li>Fit the new projector on the original mounting and screw it in with the original Torx screws. No adapters are needed here.<br \/><a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4196\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-1024x683.jpg\" alt=\"New bi-xenon projector in the Actros headlight\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-2048x1365.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-9-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/li>\n<li>Connect the shield solenoid cable to the new projector. The high beams then work the same as with the original projector. The solenoid runs on the 24 V system without modifications.<br \/><a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4189\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-1024x683.jpg\" alt=\"Connecting the shield solenoid cable to the new projector\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-2048x1365.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-2-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/li>\n<li>Fit the bulb into the holder from the kit, insert it into the projector and lock it by turning clockwise. You should feel a gentle stop.<br \/><a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4195\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8-1024x683.jpg\" alt=\"Xenon bulb in the holder from the kit\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8-600x400.jpg 600w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-8.jpg 1920w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a> <a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4194\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-1024x683.jpg\" alt=\"Bulb fitted in the new projector\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-2048x1365.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-7-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/li>\n<li>Plug the connector back onto the bulb and refit the rear cover in the reverse order.<br \/><a href=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4193\" src=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-1024x683.jpg\" alt=\"Closed rear cover of the Actros headlight\" width=\"800\" height=\"534\" srcset=\"https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-1024x683.jpg 1024w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-300x200.jpg 300w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-768x512.jpg 768w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-1536x1024.jpg 1536w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-2048x1365.jpg 2048w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-18x12.jpg 18w, https:\/\/retrofitguru.com\/wp-content\/uploads\/2026\/03\/Actros-rebuild-6-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/li>\n<\/ul>\n<h3>Done<\/h3>\n<p>Refit the headlights to the vehicle and have them aimed using the original adjusting screws in the headlight. Automatic levelling keeps working.<\/p>\n<p>You will find the complete kit here: <a href=\"https:\/\/retrofitguru.com\/en\/product\/mercedes-actros-bi-xenon-kit\/\"><strong>Bi-xenon kit for Mercedes Actros MP4\/MP5<\/strong><\/a><\/p>\n<p>The lenses must be clear. Yellowed or scratched lenses scatter the cut-off and you will not get the full output of the new projector.<\/p>\n<p>If you are unsure about any step, send us a photo at info@retrofitguru.com or call +420 736 443 413 and we will help.<\/p>","protected":false},"excerpt":{"rendered":"<p>How to replace the xenon projectors on a Mercedes Actros MP4 or MP5: from the back through the bulb opening, without opening the headlight, with a photo for every step.<\/p>","protected":false},"author":1,"featured_media":4192,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>V\u00fdm\u011bna xenonov\u00fdch projektor\u016f \u2013 Mercedes Actros MP4\/MP5 - Retrofit Guru<\/title>\n<meta name=\"description\" content=\"N\u00e1vod na v\u00fdm\u011bnu xenonov\u00fdch projektor\u016f u Mercedes Actros MP4 a MP5. 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