Mercedes-Benz ML55 AMG Problem Report

Mercedes-Benz ML55 AMG Worn spark plug wires may develop micro cracks in insulation

(5 reports)

As the spark plug wires age and are exposed to heat cycling, they start to develop micro cracks in the insulation around the resistors, which causes misfires and poor fuel economy.

Related Items:
An exhaust leak may develop due to cracked welds on the front catalytic converter. Replacement...
These vehicles have torsion bar-type springs for the front suspension. If the vehicle appears t...
The insulation at the sunroof and on the inside of each door window glass can peel off. The lo...
The rear corner panels on either side of the tailgate (black plastic) can crack or break. They...
The electrical connector at the automatic transmission may leak fluid. Over time leaking fluid...

Related Content