Mercedes-Benz · W638 · 1996-2003

W638 Guides

Search for low-mileage examples with complete service histories and original Mercedes parts documentation. Avoid vehicles with evidence of heavy commercial use or delayed maintenance schedules.

IssueSeverityNotes
Timing belt tensioner wearHighRegular inspection recommended at 100,000km intervals
Diesel fuel pump reliabilityMediumOEM replacement parts preferred over aftermarket alternatives
Automatic transmission fluid leaksMediumSeals commonly degrade after 150,000km