Mercedes Benz 420 owners have reported 1 exterior lighting related problems since 1996. Table 1 shows the 1 most common exterior lighting problems. The number one most common problem is related to the vehicle's headlights (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Headlights problems |
Headlight wiring harness is disintegrating, and looks identical to pictures sent to NHTSA by other owners and is a fire hazard that is undetectable until shorts or fires develop. The insulation is literally falling apart, and this creates great potential for unsafe operation, shortcircuits, breakdown and is a potential fire hazard.