If the control unit pins lose connection, there would be a loss of electric power steering assist, increasing the risk of a crash. The increase in pin contact resistance can also increase the risk of a fire, even while the vehicle is parked and ignition is off.

Steering — Electric Power Assist System

Date Announced

DEC 14, 2016

Vehicles Affected

70

NHTSA Campaign #

16V899000

Summary

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 SL550, 2013-2014 SL63 AMG, 2014-2016 E350, 2014 E350 Cabriolet, E350 Coupe, 2014-2015 S550, 2015 E350 Bluetec, 2015-2016 E400, 2016 E550 Coupe, and Maybach S600 vehicles manufactured August 23, 2012, to August 14, 2015. The affected vehicles use an electric power steering system that may have improperly soldered contacts inside the control unit, potentially resulting in the power steering system deactivating while driving.

Actions

MBUSA will notify owners, and dealers will replace the electric power steering control unit, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

Documents (9)

• Recall Acknowledgement
• ISSUED Owner Notification Letter(Part 577)
• Manufacturer Notices(to Dealers,etc)
• Recall Quarterly Report #4, 2017-4
• ISSUED Owner Notification Letter(Part 577)
• Recall Quarterly Report #2, 2017-2
• Recall Quarterly Report #3, 2017-3
• Manufacturer Notices(to Dealers,etc) - RE: Recall Campaign 2016120005 Launch Notification MY13-16 207, 212, 222, 231 (E-Class, E-Class Coupe, S-Class, SL-Class) Electric Power Steering Control Unit DATE: October 6, 2017
• Recall Quarterly Report #1, 2017-1