2002 Mercedes Benz SLK320

The contact owns a 2002 Mercedes-Benz SLK320. The contact stated while driving 55 MPH, the vehicle failed to accelerate as it went into Limp mode. Several warning lights were illuminated. The contact stated that he had replaced the spark plugs and the accelerator pedal; however, the failure persisted, and the engine was misfiring. The vehicle was taken to an independent mechanic, where it was diagnosed that the PCM, the speed sensor, and the ignition coil were malfunctioning. The vehicle was not repaired. Additionally, the contact stated that the defroster had failed. The dealer was not notified of the failure. The vehicle was not repaired. The manufacturer was notified of the failure and confirmed that the vehicle was not included in a recall. The manufacturer referred the contact to the NHTSA hotline for assistance. The approximate failure mileage was 145,000.