Advised not to repack bearings???
Two years ago, and with our previous trailer, we had a miserable and expensive bearing failure while 4k miles from home. At the time, we had buddy bearings and were under the impression that they did...
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Since you mention Mercedes, this is the brand I treat my family to and all of them, no matter if at 150,000 or 300,000 miles are still having only factory grease in wheel bearings.
Trailers have poorer seals, what let the dust and moisture enter the bearings, therefore recommendation for repacking, but if you have better axle where manufacturer does not require repacking, I would follow the manual.
On my utility trailer I never repack bearings in 25 years. Have grease fitting on it and just pump grease in. For some time used the trailer for PWC, so the wheels went under the water occasionally. No problem if you keep the hubs filled up with grease.
Trailers have poorer seals, what let the dust and moisture enter the bearings, therefore recommendation for repacking, but if you have better axle where manufacturer does not require repacking, I would follow the manual.
On my utility trailer I never repack bearings in 25 years. Have grease fitting on it and just pump grease in. For some time used the trailer for PWC, so the wheels went under the water occasionally. No problem if you keep the hubs filled up with grease.
