DIY repair · Mercedes-Benz G 63 AMG 6×6

7G-TRONIC fluid & filter

DIFFICULTY 2 / 5TIME 2–3 hoursCOST Parts plus labor

Symptoms

Harsh or delayed shifts, or no record of the job.

The fix, step by step

  1. Drain the pan and the converter, replace the filter and gasket, refill with MB 236.15 ATF and set the level at temperature with a scan tool.

Tools & part numbers

  • Scan tool
  • fluid pump
  • torque wrench

Where to buy the parts

FUCHS 722.9 transmission service kit (filter, pan gasket, 2×5 L ATF)FCP Euro ↗Amazon ↗
FUCHS ATF 7134 FE (MB 236.15), 1 LFCP Euro ↗Amazon ↗

Hunting a used or discontinued part? Search eBay Motors for Mercedes-Benz G 63 AMG 6×6 parts →

Before you start

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.

The Boxy Dispatch · monthly

One new guide, one featured rig, one recall worth knowing. Monthly, no spam.

Subscribe and get a free printable inspection checklist for any truck we cover.