One problem related to horn assembly has been reported for the 2002 Mercedes Benz 320. The most recently reported issues are listed below.
The consumer stated that on rainy days the visibility would become difficult. There was a failure in computer chips, the problem persisted with the poor visibility of the windshield, horn failure, interior and exterior light failure, stalling, catalytic converter rattling, inoperative washer jets, broken glove box, noise in the rear of the vehicle, faulty fuel pump, loud whining noise form under the seat, and a whirring noise was coming from the center vents.
| Horn Assembly problems | |
| Alternator/generator/regulator problems | |
| Electrical System problems | |
| Instrument Panel problems |