Mercedes Benz

Lighting - Headlamp Moisture Fault Diagnostics SI M 63 03 09 Lights December 2009 Technical Service SUBJECT Headlamp Moisture: Fault Diagnostics MODEL All models SITUATION There is water or condensation in one or both headlamps. INFORMATION Under some environmental conditions, condensation can occur without there being a faulty headlamp. A comprehensive test plan that will allow an accurate diagnosis and repair is available. Follow the relevant test plan in diagnostics, using the latest ISTA diagnosis version. Select "Information search" and the test plan may be accessed in two ways: 1. Using the "Text search" tab, select "Search for document title" and search using the term "Headlight fogging". 2. Using the "Function structure" tab, select "Body / Mechanism, noises, optical element, leaks / Water ingress / Headlight fogged on inside / Start 2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 345 search". Note that a Diagnosis C...