Mercedes Benz ML320 owners have reported 1 problem related to horn assembly (under the electrical system category). The most recently reported issues are listed below.
The contact owns a 2008 mercedes-benz Ml320. While driving approximately 30 mph, the engine stalled without warning. The vehicle restarted, but the failure recurred twice. The second time the failure recurred, the vehicle did not restart. The contact also stated that the horn sounded without being prompted. The vehicle was towed to the contact's residence where it was not diagnosed nor repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 89,000.
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