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  #1  
Old 03-05-2003, 07:34 PM
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I second that question. I've had Peugeots for years and they use studs. Putting wheels on was too easy. Its the only time I swear at my MB is whenever I have to put a wheel on. For example, the hardest part of changing the break pads is putting the wheel back on
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  #2  
Old 03-05-2003, 07:35 PM
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Re: why does mercedes use lug bolts?

Quote:
Originally posted by hotskillet
My stupid question of the day! Seriously, What are the advantages of bolts over studs and nuts. For me, it's a little more difficult to get the wheels on. I can only imagine what it'd be like trying to change a tire at night.
When ya get da answer . . . Lemme know . . .
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  #3  
Old 03-05-2003, 08:36 PM
hotskillet
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why does mercedes use lug bolts?

My stupid question of the day! Seriously, What are the advantages of bolts over studs and nuts. For me, it's a little more difficult to get the wheels on. I can only imagine what it'd be like trying to change a tire at night.
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  #4  
Old 03-05-2003, 10:27 PM
ThrillBilly
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im not sure what the "offical" name of the part is, but use the wheel mounting stud supplied in the tire kit to make changing easier. its a 3 or 4 inch long stud that you screw into the top hole to "hold" the load while you apply the other bolts. then replace the stud with the last bolt. it really helps!

as to why: it may relate to MB wheels being "hubcentric". basically the wheel loading is held by the center bore, and not just by the bolts (or lugs)
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  #5  
Old 03-10-2003, 09:29 PM
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Why? You wanna' know WHY?

To keep the wheels from falling off...
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  #6  
Old 03-10-2003, 11:31 PM
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VW and Audi also use lug bolts. I was told that there was a reason that Mercedes engineer decided that bolts would be safer than lugs but I forgot why

Regards,

Don
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  #7  
Old 03-11-2003, 12:15 PM
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I take my wheels off frequently and it is a pain. I feel sorry for anyone trying to use those brake dust shield on Mercedes and cars with lug bolts. It would require two people.

Most cars and trucks are now hub-centric. BMW also uses Wheel Bolts.

Here is a picture of the wheel mounting device to aid/help in putting the rims on that ThrillBilly mentioned. I bought an extra one.

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  #8  
Old 03-13-2003, 03:57 PM
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cheaper to buy bolts by the thousands than to have to buy, run, maintain, staff, and replace a slew of machines for pressing in the studs.
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  #9  
Old 03-13-2003, 05:12 PM
LarryBible
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Hooray!!! So that's what that thing is for??????

I have seen this gadget in my MB toolkits and had no idea what it was for.

This is just that much more proof that you learn something new every day.

Have a great day,
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  #10  
Old 03-13-2003, 10:31 PM
ThrillBilly
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larry, i can NOT believe that you didn't know! i have always thought you to be THE wheel/tire expert here (excepting luke of course!)

have you worn that fancy balancer out yet?

every time i see the KID at the tire shop half-ass a balance, i think about how good i bet you could do. you know, kind of like voting: balance early and balance often.

ps- i have seen (but cant remember where) those mounting tools made in stainless and other nice alloys. wasnt cheap, but sure was pretty. it probably was on ebay.
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  #11  
Old 03-14-2003, 10:07 PM
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I wonder if BMW & Audi also have a wheel mounting device or stud or whatever it is called in the tool kit in the trunk. This thing is priceless especially for heavy ass wheels like I have on the rear - 275/35/18.

Another quandery is why Mercedes also put such a short center bore hub lip on the rear hub. There is hardly anything to set the tire up on to hold it on back while you try desparately to put in the first lug bolt. The front hub has a lot more center hub and the rear has nothing. Mounting wheels using lug bolts is like torture.
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  #12  
Old 03-15-2003, 01:24 AM
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Quote:
Originally posted by ThrillBilly
as to why: it may relate to MB wheels being "hubcentric". basically the wheel loading is held by the center bore, and not just by the bolts (or lugs)
The design actually puts all of the loading on the centre bore.

The lugs are only intended to hold the rim against the hub. By separating the functions like this, the shear forces that would normally be experienced by the lugs are almost entirely eliminated.

as a result, you could safely drive the car with less than all of the bolts in.
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'94 W124.036 249/040 leder; 8.25x17 EvoIIs
'93 W124.036 199/040 leder; 8.25x17 EvoIIs, up in flames...LITERALLY!
'93 W124.036 481/040 leder; euro delivery; 8.25x17 EvoIIs
'88 R107.048 441/409 leder; Euro lights
'87 W201.034 199/040 leder; Euro lights; EvoII brakes; 8x16 EvoIs - soon: 500E rear brakes
'70 R113.044 050/526; factory alloys; Euro lights
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