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B-Class Electric Drive Forum

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  1. O

    High Pitched Sound With Acceleration & Deceleration

    our B-class has developed a very annoying high pitched sound/whine when accelerating and decelerating. My wife is the primary driver (she has not noticed it but she also rocks out on the radio ;-) ) but having not driven the car for a few weeks the sound was very obvious to me. The noise...
  2. O

    Warning "PRE-SAFE Function Limited"

    a "PRE-SAFE Function Limited" warning popped up our dash today i called MBrace and they suggested I clean the bumper sensors. funny because the car is cleaner today than ever. i didn't wax the car or anything either called dealer and they said they could look at it ASAP, will keep the forum...
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