Symptoms
Bubbling at the tailgate lower edge, door bottoms and sills; scale on the rear frame tubes and spring mounts.
The fix, step by step
- Remove loose scale, treat with a converter, then apply cavity wax inside the frame and doors and an underbody coating.
- Keep the drain holes clear.
- Cut out and weld anything perforated.
Tools & part numbers
- Wire wheels
- rust converter
- cavity-wax wand
- underbody coating
Where to buy the parts
GwagenParts.com search: rust repairGwagenParts.com ↗
GwagenParts.com search: tailgateGwagenParts.com ↗
Hunting a used or discontinued part? Search eBay Motors for Mercedes-Benz G 63 AMG 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.