New after-market wheels - problem with grease caps ... - Mercedes-Benz Forum
 
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#1 (permalink) Old 02-17-2012, 11:47 PM
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New after-market wheels - problem with grease caps ...

Hi all,
I don't know much about wheels, spacers & off-sets but I'll try to explain my problem as best as I can.

Recently I had to buy all 4 wheels for my 2006 W219 in a hurry because one of the wheels was bent and shop couldn't find a single matching rim. The new wheels are after-market wheels and after installation grease caps do not look right to me. The front cap is sticking out too far and I cannot put any center cap on it. Please look at the picture of front wheel. Someone told me that I need a hubcentric spacer to fix this issue, is this correct? Does anyone know what size (thickness 115mm etc) spacers would I need? Is there any thing else that I need to be careful about while shopping for spacers, for example new longer lug-nuts (how long would be enough)?

Now yesterday I took off the center cap from rear wheel to see how do rear wheels look & how did shop managed to put on center caps on rear wheels and to my surprise, there was no grease cap on rear wheel. I am attaching the picture of rear wheel with center cap removed. What do you think about it. Do I need to put new grease caps on rear wheel or does it look ok to you experienced users?

Thank you.
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Last edited by Raindrop; 02-18-2012 at 04:00 PM.
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#2 (permalink) Old 02-23-2012, 08:48 AM
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I was wondering if anyone has any opinion or any pointer regarding this issue?
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#3 (permalink) Old 02-28-2012, 01:38 PM
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Are those the AMG replicas? Be interesting to know what you find out since I just today ordered a set of those for my W203.
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#4 (permalink) Old 03-01-2012, 08:29 AM
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Yeah these are AMG replicas and I think I would need wheel spacers for these wheels to look right. I'll order the wheel spacers next week and see how does it go,
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#5 (permalink) Old 03-17-2012, 01:16 AM
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Dealer said: No need for grease cap on rear wheels.

**Update**
Alright so was at local MB dealer and asked them for the part number for grease cap for rear wheels. They told me that rear wheel bearing unit is a 'sealed' unit and it does not need grease a cap. Although from wheel bearing unit would need a grease cap.

Has anyone else heard of rear wheels on W211 or W219 vehicles not needing a grease cap?
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#6 (permalink) Old 03-17-2012, 01:23 AM
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Quote:
Originally Posted by Raindrop View Post
**Update**
Alright so was at local MB dealer and asked them for the part number for grease cap for rear wheels. They told me that rear wheel bearing unit is a 'sealed' unit and it does not need grease a cap. Although from wheel bearing unit would need a grease cap.

Has anyone else heard of rear wheels on W211 or W219 vehicles not needing a grease cap?
Most rear-wheel drive vehicles do not have grease caps on the rear wheels. It's just a completely different design, different types of bearings, etc.

The wheels you bought are the wrong offset, which is why the grease caps are sticking too far out. You will indeed need spacers on the front, and you will also need extended lug bolts. Work with a good wheel shop to make sure they don't screw it up. The bolts need to be the right length and the mating surfaces have to match. Conical seat, ball seat, radius of ball seat, etc.

Good luck.

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#7 (permalink) Old 03-23-2012, 05:00 AM
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I had the same issue with those wheels. I measured how far the cap stuck out from the fully seated position and ordered spacers for the front that we're at least that thick along with needing new lug bolts that were the same amount longer. In my case I used 5mm spacers and the caps are a tight fit. Although I only needed them for the front I now think I should have put some in back just to make the offset look the same in the rear. Having said that, since 5mm isn't that big no one else seems to notice the difference.
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#8 (permalink) Old 03-23-2012, 06:30 AM
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What I have done in the past. Was to modify the cap. "with a hammer"!! sounds a little primitive but it dents the cap just enough to get your center cap on. Try this before your spend money on spacers. Spacers are bad,unless you get the "hub centric" spacers but no one that I know of makes a 5mm hub centric spacer. If they are not it will likely to cause vibrations and you lose 5mm of your lug bolt.
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#9 (permalink) Old 03-23-2012, 06:38 AM
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Agree the hammer helped a little but not enough to make up the 5mm needed. I used H&R hub centric spacers made specifically for MB. I also run my Porsche at the track and lots of guys run H&R hub centric spacers made specifically for their Porsches.
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#10 (permalink) Old 03-26-2012, 08:07 PM
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first of all, your car never came with grease caps in the rear from factory. secondly, stay away from spacers unless you really want those wheels. its not the offset that is the problem. its the wrong front wheel size for that car.

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