{"id":10901,"date":"2026-04-21T10:42:19","date_gmt":"2026-04-21T14:42:19","guid":{"rendered":"https:\/\/www.calemonlaw.com\/blog\/?p=10901"},"modified":"2026-04-21T11:38:16","modified_gmt":"2026-04-21T15:38:16","slug":"mercedes-benz-drive-shaft-universal-joint-may-break","status":"publish","type":"post","link":"https:\/\/www.calemonlaw.com\/blog\/?p=10901","title":{"rendered":"Mercedes-Benz Drive Shaft\u00a0Universal Joint May Break"},"content":{"rendered":"\n<p>Mercedes-Benz has determined that there is a safety defect affecting <strong>over 24,000 Mercedes-Benz vehicles<\/strong>.&nbsp; The problem is related to an issue with the <strong>drive shaft universal joint<\/strong>. This part plays a critical role in how power is delivered to your wheels, and when it fails, the consequences can be serious.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Vehicles Are Affected?<\/h2>\n\n\n\n<p>This recall (NHTSA Campaign Number: 26V-216) applies to select <strong>2018\u20132020 Mercedes-Benz 4MATIC models<\/strong>, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>E-Class (Sedan, Wagon, Coupe, Cabriolet)<\/li>\n\n\n\n<li>S-Class (Sedan, Coupe, Convertible)<\/li>\n\n\n\n<li>Maybach S 560 4MATIC<\/li>\n<\/ul>\n\n\n\n<p>Specifically, models like the <strong>E 400<\/strong>, <strong>E 450<\/strong>, <strong>S 450<\/strong>, <strong>S 560<\/strong>, and <strong>Maybach S 560<\/strong> are included.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What\u2019s the Problem?<\/h2>\n\n\n\n<p>Mercedes-Benz has identified that <strong>increased wear may occur in the universal joint (U-joint)<\/strong> on the drive shaft. This is due to <strong>insufficient production parameters from a supplier<\/strong>, which can lead to premature degradation over time.<\/p>\n\n\n\n<p>The real issue begins when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The U-joint <strong>loses lubrication.<\/strong><\/li>\n\n\n\n<li>Wear accelerates.<\/li>\n\n\n\n<li>The joint can <strong>fracture under load.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>At that point, the connection between the <strong>transfer case and front axle transmission<\/strong> may fail entirely.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why This Matters (Safety Risk)<\/h2>\n\n\n\n<p>If the universal joint fails, the vehicle can experience a <strong>sudden loss of propulsion<\/strong>\u2014meaning it may stop delivering power to the wheels without warning.<\/p>\n\n\n\n<p>That creates a dangerous situation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Loss of acceleration in traffic.<\/li>\n\n\n\n<li>Reduced ability to maneuver.<\/li>\n\n\n\n<li>Increased risk of a crash.<\/li>\n<\/ul>\n\n\n\n<p>Mercedes-Benz notes that while some warning signs may appear, they are <strong>not guaranteed to be noticed before failure<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Warning Signs to Watch For<\/h2>\n\n\n\n<p>In some cases, drivers may notice early symptoms such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Unusual noises<\/strong> from underneath the vehicle.<\/li>\n\n\n\n<li><strong>Vibrations while driving<\/strong>, especially under acceleration.<\/li>\n<\/ul>\n\n\n\n<p>However, these signs can be subtle\u2014or completely absent\u2014making this issue particularly concerning.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Caused the Issue?<\/h2>\n\n\n\n<p>The root cause traces back to a <strong>supplier manufacturing process<\/strong> that did not meet optimal parameters. Over time, this can result in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improper wear patterns.<\/li>\n\n\n\n<li>Reduced durability of the U-joint.<\/li>\n\n\n\n<li>Increased likelihood of failure under normal driving conditions.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What Mercedes-Benz Will Do<\/h2>\n\n\n\n<p>Mercedes-Benz dealers will:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Inspect the drive shaft.<\/strong><\/li>\n\n\n\n<li><strong>Replace it if necessary.<\/strong><\/li>\n\n\n\n<li>Perform all repairs <strong>free of charge.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>This recall highlights how even a <strong>single component failure within the drivetrain<\/strong> can have major safety implications. If your vehicle is affected, it is worth addressing promptly\u2014even if you have not noticed any symptoms.&nbsp;&nbsp;A quiet drivetrain today does not guarantee it will stay that way tomorrow.&nbsp;&nbsp;Owner notification letters are scheduled to be mailed beginning <strong>June 2, 2026<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mercedes-Benz has determined that there is a safety defect affecting over 24,000 Mercedes-Benz vehicles.&nbsp; The problem is related to an issue with the drive shaft universal joint. This part plays a critical role in how power is delivered to your wheels, and when it fails, the consequences can be serious. What Vehicles Are Affected? This&hellip; <a href=\"https:\/\/www.calemonlaw.com\/blog\/?p=10901\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":10903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1317,67],"tags":[1041,1541,1542,1526,1374,1479],"class_list":["post-10901","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lemon-alert","category-mercedes-benz","tag-drive-shaft-problems","tag-excessive-noise","tag-excessive-vibrations","tag-loss-of-drive-power","tag-manufacturing-error","tag-safety-defect"],"_links":{"self":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10901"}],"version-history":[{"count":1,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10901\/revisions"}],"predecessor-version":[{"id":10902,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10901\/revisions\/10902"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/media\/10903"}],"wp:attachment":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}