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Mercedes-Benz E 300 Recall 17V714: Power steering may cut out unexpectedly, raising crash risk

NHTSA campaign 17V714, reported November 14, 2017, 72 vehicles potentially affected.

What this recall means for you

A transistor inside the power steering control unit can overheat, which may cause the electric power steering assist to switch off without warning. Losing power assist makes the car much harder to steer, which can increase the risk of a crash.

The repair is free. Mercedes-Benz USA will notify owners, and authorized dealers will inspect the steering rack and replace it if necessary at no charge. The recall is expected to begin in January 2018.

If you own one of these vehicles, check your VIN for open recalls and contact Mercedes-Benz USA customer service at 1-877-496-3691 to confirm whether your car is included and to schedule the free inspection at an authorized dealer.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 17V714Mercedes-Benz USA, LLC.
Component
STEERING:ELECTRIC POWER ASSIST SYSTEM
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 E300, S65 AMG Coupe, S550, S65 AMG Cabriolet, S550 Cabriolet, S550e, S65 AMG, and Mercedes-Maybach S600 vehicles. A transistor within the power steering control unit may overheat resulting in the power steering system being disabled.
Risk
If the power steering assist is unexpectedly disabled, it may increase the risk of a crash.
Remedy
MBUSA will notify owners, and dealers will inspect the steering rack, replace it as necessary, free of charge. The recall is expected to begin in January 2018. Owners may contact MBUSA customer service at 1-877-496-3691.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Mercedes-Benz E 3002017
Mercedes-Benz S5502017
Mercedes-Benz S550E2017
Mercedes-Benz S65 AMG2017
Mercedes-Maybach S6002017