Table 1 shows one common exterior lighting related problems of the 1997 Mercedes Benz 420.
| 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.