Mercedes S-Class service, the honest way
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Signs of a Failing Torque Converter: What to Check
Slipping under load, delayed engagement, overheating, abnormal fluid, transmission-area noises, and occasional low-speed stalling increase concern about the…
By Stefan Roth · 2026-08-08Latest
Capacity Transmission Fluid Guide: Find the Correct Fill Amount
There is no universal transmission-fluid capacity. The correct amount depends on the vehicle’s year, engine, drivetrain, installed transmission, transmission…
Color of Transmission Fluid: What Red, Brown, Black, and Milky Fluid Means
Fresh conventional automatic transmission fluid is commonly translucent red or pinkish-red. Dye makes the fluid easier to identify and can help reveal leaks,…
Mercedes Transmission Fluid: the 722.6 'Lifetime Fill' Myth & the Fix
Why Mercedes called the 722.6 fluid lifetime, what it really needs, and the change procedure that keeps a W220-era transmission alive.