Symptoms
Wet carpets, damp footwells, a musty smell, rust under the mats. Classic & Sports Car flags leaks from the wiper spindles, sunroof and heater plenum.
The fix, step by step
- Water-test with a hose and a helper inside to find the source.
- At the wiper spindles, replace the washers, nuts, seals and caps as a set.
- Clear the sunroof drains and check the plenum drains.
- A leak at the windscreen perimeter means taking the glass out to fit a new gasket.
- Inspect the frame for rust while it's out, because Handsome Motors lists the windshield gasket perimeter as a classic G rust spot.
- Dry the floor and replace missing body drain plugs.
Tools & part numbers
- Hose
- trim tools
- wiper shaft washer kit 000 824 35 72
- windscreen gasket 463 671 02 20
- body drain plug 460 997 11 81
- rust converter and seam sealer
Where to buy the parts
Wiper shaft washer kitExpedition Imports ↗Amazon ↗
Windscreen gasket / seal 463 671 02 20 (W460 and W463)Expedition Imports ↗Amazon ↗
Body drain plug 460 997 11 81Expedition Imports ↗Amazon ↗
Hunting a used or discontinued part? Search eBay Motors for Mercedes-Benz G-Class W460 parts →
Rated for a competent home mechanic with a decent tool kit. Confirm torque figures, fluids and procedures against the factory service manual for your VIN, support the truck on stands rather than a jack, and work at your own risk (disclaimer). Some parts links are affiliate links, which pay us a small commission at no cost to you.