
{"id":18570,"date":"2025-04-25T06:48:47","date_gmt":"2025-04-25T06:48:47","guid":{"rendered":"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/?p=18570"},"modified":"2025-04-25T06:50:22","modified_gmt":"2025-04-25T06:50:22","slug":"how-to-change-a-mercedes-benz-key-fob-battery","status":"publish","type":"post","link":"https:\/\/www.arrowheadmb.com\/blog\/how-to-change-a-mercedes-benz-key-fob-battery\/","title":{"rendered":"Mercedes-Benz Key Fob Not Working? How to Replace the Battery\u00a0"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">How to Change a Mercedes-Benz Key Fob Battery&nbsp;<\/h2>\n\n\n\n<p>You\u2019re heading out, iced coffee in one hand, key fob in the other\u2014Click. Nothing. Your Mercedes-Benz key fob isn\u2019t unlocking the doors, and you&#8217;re standing in the Peoria, AZ, heat like, \u201cSeriously?!\u201d Don\u2019t panic\u2014Mercedes-Benz of Arrowhead is here to help. If you\u2019ve been wondering how to change a Mercedes-Benz key fob battery, we\u2019ve got a quick guide that\u2019ll get you back on the road in no time.&nbsp;<\/p>\n\n\n\n<!--more-->\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-black-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/www.arrowheadmb.com\/schedule-car-maintenance-or-auto-repair-peoria-az\" style=\"border-radius:2px;color:#fffffa\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Schedule a Service Appointment<\/strong><\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline\"><a class=\"wp-block-button__link has-black-color has-text-color wp-element-button\" href=\"https:\/\/www.arrowheadmb.com\/contact-mercedes-benz-of-arrowhead-in-peoria-az\" style=\"border-radius:2px\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Contact the Mercedes-Benz of Arrowhead Service Team<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center\"><strong>Read more &#8211; <\/strong><a href=\"https:\/\/www.arrowheadmb.com\/blog\/5-mercedes-benz-models-with-hands-free-access-feature\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>5 Mercedes-Benz Models with HANDS-FREE ACCESS Feature<\/strong><\/a><strong>&nbsp;<\/strong>&nbsp;&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step-by-Step Guide to Change a Mercedes-Benz Key Fob Battery &nbsp;<\/h3>\n\n\n\n<p>&#8220;Alright, what&#8217;s step one?&#8221; That\u2019s what my neighbor Mike asked as we tackled his key fob on a sunny Saturday morning. &nbsp;<\/p>\n\n\n\n<p>Here\u2019s what we did: First, you\u2019ll need a CR 2032 3V coin cell battery\u2014easy to find at most grocery stores or hardware shops. &nbsp;<\/p>\n\n\n\n<p>Then, pop out the emergency key. Slide it from the bottom of the fob. Easy. &nbsp;<\/p>\n\n\n\n<p>Insert that same key into the small slot\u2014you\u2019ll see it. Push gently in the direction of the arrow until the cover pops up. Don\u2019t try to hold the cover shut at the same time\u2014it needs to lift. &nbsp;<\/p>\n\n\n\n<p>Use the emergency key to pry the cover off carefully. Once you\u2019re in the right spot, it should lift easily. &nbsp;<\/p>\n\n\n\n<p>Tap the fob gently against your palm. The old battery should fall out. If not, a gentle shake usually does the trick. &nbsp;<\/p>\n\n\n\n<p>Take your new battery and place it in\u2014positive side up. Use a clean, lint-free cloth to avoid getting oils or dirt on it. &nbsp;<\/p>\n\n\n\n<p>Snap the cover back into place. Make sure the front tabs slide into the housing first, then press down evenly on both sides. &nbsp;<\/p>\n\n\n\n<p>Re-insert the emergency key. That\u2019s it.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center\"><strong>Read more &#8211; <\/strong><a href=\"https:\/\/www.arrowheadmb.com\/blog\/exploring-the-chrome-star-pattern-grille-in-the-latest-mercedes-benz-models\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Exploring the Chrome Star-Pattern Grille in the Latest Mercedes-Benz Models<\/strong><\/a><strong>\u00a0\u00a0<\/strong>\u00a0<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-left\">Schedule a Service Appointment in Peoria, AZ!\u00a0<\/h2>\n\n\n\n<p>Mike gave me a high five and said, \u201cHonestly, that was way easier than I thought.\u201d So, if your key fob is acting up in Peoria, now you know precisely how to change a Mercedes-Benz key fob battery. Still feel unsure? No stress\u2014swing by Mercedes-Benz of Arrowhead and let our pros handle it for you. Either way, no more standing outside your Benz, locked out and frustrated.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center\"><strong>Read more &#8211; <\/strong><a href=\"https:\/\/www.arrowheadmb.com\/blog\/understanding-mercedes-benz-battery-replacement-and-when-we-require-it\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Understanding Mercedes-Benz Battery Replacement and When We Require It<\/strong><\/a><strong><\/strong>&nbsp;<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"768\" height=\"500\" src=\"https:\/\/cdn-ds.com\/blogs-media\/sites\/177\/2025\/04\/25064544\/Key_Fob_b02_b.jpg\" alt=\"representative image of a key fob\" class=\"wp-image-18571\" srcset=\"https:\/\/cdn-ds.com\/blogs-media\/sites\/177\/2025\/04\/25064544\/Key_Fob_b02_b.jpg 768w, https:\/\/cdn-ds.com\/blogs-media\/sites\/177\/2025\/04\/25064544\/Key_Fob_b02_b-300x195.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>How to Change a Mercedes-Benz Key Fob Battery&nbsp; You\u2019re heading out, iced coffee in one hand, key fob in the other\u2014Click. Nothing. Your Mercedes-Benz key fob isn\u2019t unlocking the doors, and you&#8217;re standing in the Peoria, AZ, heat like, \u201cSeriously?!\u201d Don\u2019t panic\u2014Mercedes-Benz of Arrowhead is here to help. If you\u2019ve been wondering how to change [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18572,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[65],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"If you\u2019ve been wondering how to change a Mercedes-Benz key fob battery, Mercedes-Benz of Arrowhead in Peoria, AZ, gives you the lowdown!\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Change a Mercedes-Benz Key Fob Battery\u00a0\" \/>\n<meta property=\"og:description\" content=\"If you\u2019ve been wondering how to change a Mercedes-Benz key fob battery, Mercedes-Benz of Arrowhead in Peoria, AZ, gives you the lowdown!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/\" \/>\n<meta property=\"og:site_name\" content=\"Mercedes-Benz of Arrowhead\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-25T06:48:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-25T06:50:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn-ds.com\/blogs-media\/sites\/177\/2025\/04\/25064546\/Key_Fob_a01_b.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1038\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data1\" content=\"2 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.arrowheadmb.com\/blog\/#website\",\"url\":\"https:\/\/www.arrowheadmb.com\/blog\/\",\"name\":\"Mercedes-Benz of Arrowhead\",\"description\":\"Official Blog\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.arrowheadmb.com\/blog\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/cdn-ds.com\/blogs-media\/sites\/177\/2025\/04\/25064546\/Key_Fob_a01_b.jpg\",\"contentUrl\":\"https:\/\/cdn-ds.com\/blogs-media\/sites\/177\/2025\/04\/25064546\/Key_Fob_a01_b.jpg\",\"width\":1038,\"height\":400,\"caption\":\"representative image of a key fob\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/#webpage\",\"url\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/\",\"name\":\"How to Change a Mercedes-Benz Key Fob Battery\\u00a0\",\"isPartOf\":{\"@id\":\"https:\/\/www.arrowheadmb.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/#primaryimage\"},\"datePublished\":\"2025-04-25T06:48:47+00:00\",\"dateModified\":\"2025-04-25T06:50:22+00:00\",\"author\":{\"@id\":\"https:\/\/www.arrowheadmb.com\/blog\/#\/schema\/person\/4a015fb239678798a9f156ccdcb6d9c0\"},\"description\":\"If you\\u2019ve been wondering how to change a Mercedes-Benz key fob battery, Mercedes-Benz of Arrowhead in Peoria, AZ, gives you the lowdown!\",\"breadcrumb\":{\"@id\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/how-to-change-a-mercedes-benz-key-fob-battery\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.arrowheadmb.com\/blog\/\",\"url\":\"https:\/\/www.arrowheadmb.com\/blog\/\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/category\/service\/\",\"url\":\"https:\/\/tt-blogs.dealerfire.com\/arrowheadmb\/category\/service\/\",\"name\":\"Service &amp; 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