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124 rear wheel bearing replacement

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4 replies [Last post]
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signifer's picture
Ashburn, VA
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Joined: August 30th, 1994

Posts:
151

Vehicles
1987 190E
1990 300E
2006 E350

Hi,

I've replaced the front wheel bearings on our 1990 300E and was wondering how much harder it is to replace the rear bearings. Is it noticeably harder or about the same? Any tips on what it takes to replace them?

Thanks,
Richard

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Maxbumpo's picture
Mount Pleasant, SC
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Joined: February 2nd, 2006

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4856

Vehicles
1995 E300 Diesel
1987 300TDT

Generally, it is much easier (for the DIY'r) to find a good used lower control arm and replace that, vice just the bearing. They are massive and usually last the life of the car. If it really needs to be replaced, best take it to the dealer or a good shop that has the special pullers etc. that are needed.

Why do you think you need to replace it?

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Max Dillon
Charleston SC
'87 300TD, 334k miles (need to pull the head again...)
'95 E300 Diesel, 335k miles (daily driving duty)
'73 Balboa 20

Member
signifer's picture
Ashburn, VA
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Joined: August 30th, 1994

Posts:
151

Vehicles
1987 190E
1990 300E
2006 E350

Having replaced the front ones (which were starting to roar), I now hear the rear ones so I thought they might need to be replaced. If they probably don't I am perfectly happy to do nothing.

BTW: the car has about 265Kmi on it; I'm not sure how long the bearings last if ignored.

Best regards,
Richard

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Maxbumpo's picture
Mount Pleasant, SC
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Joined: February 2nd, 2006

Posts:
4856

Vehicles
1995 E300 Diesel
1987 300TDT

I need to correct myself; on the 123 series, my comments apply. I'm not sure about the 124 series. Recommend you re-post in the forum for e-class (w124) or in the Diesel Discussions forum.

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Max Dillon
Charleston SC
'87 300TD, 334k miles (need to pull the head again...)
'95 E300 Diesel, 335k miles (daily driving duty)
'73 Balboa 20

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rpfund's picture
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I just had the right rear bearing replaced because it was "howling" on my '88 -124 (125K miles) because of the tooling required and time required. The job wasn't cheap. The repair manuals allow 6 hrs of shop time and quote the bearing at $60. All-in-All my repair was done in a day and cost $400 for one side. If both sides are done at the same time. The shop time allows for 4 hours instead of 6.

Hope this helps...
Russ Pfund

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