S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Useless spare tire?

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Old 04-03-2021, 12:02 AM
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Useless spare tire?

So... tonight I’m out for a drive, and my left front tire decides to quit work early. OK, I’ve got AAA. Their phone system is aggravating enough that while I’m wading through automated prompt after automated prompt, I figured, what the hell, I’ll just change it. So I did. And then discovered that the wheel lug bolts are about half an inch too long to mount the spare.

Needless to say, I was absolutely thrilled to have the opportunity to put the flat back on while I waited for the flatbed to take it back home.

So... is there supposed to be another set of shorter lug bolts with the spare? There isn’t... hasn’t been since I bought the car. At least I found out the spare... well... isn’t... a mile from home and not in the middle of nowhere.
Old 04-03-2021, 02:19 AM
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Originally Posted by DaleB
So... tonight I’m out for a drive, and my left front tire decides to quit work early. OK, I’ve got AAA. Their phone system is aggravating enough that while I’m wading through automated prompt after automated prompt, I figured, what the hell, I’ll just change it. So I did. And then discovered that the wheel lug bolts are about half an inch too long to mount the spare.

Needless to say, I was absolutely thrilled to have the opportunity to put the flat back on while I waited for the flatbed to take it back home.

So... is there supposed to be another set of shorter lug bolts with the spare? There isn’t... hasn’t been since I bought the car. At least I found out the spare... well... isn’t... a mile from home and not in the middle of nowhere.
yes, there is supposed to be a set of shorter lug bolts for the spare. Perhaps the previous owner misplaced them?...do yourself a favor and buy a full size spare. It fits.
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Old 04-03-2021, 05:01 AM
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as above.... the other bolts are part of the jack, wheel brace and gloves kit
Old 04-03-2021, 10:06 AM
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2007 S600
Originally Posted by DaleB
So... tonight I’m out for a drive, and my left front tire decides to quit work early. OK, I’ve got AAA. Their phone system is aggravating enough that while I’m wading through automated prompt after automated prompt, I figured, what the hell, I’ll just change it. So I did. And then discovered that the wheel lug bolts are about half an inch too long to mount the spare.

Needless to say, I was absolutely thrilled to have the opportunity to put the flat back on while I waited for the flatbed to take it back home.

So... is there supposed to be another set of shorter lug bolts with the spare? There isn’t... hasn’t been since I bought the car. At least I found out the spare... well... isn’t... a mile from home and not in the middle of nowhere.
Heh, I've had to use AAA twice for tows in the past couple weeks. And unfortunately one is for my S600 that I'm hoping is a bad conductor plate. Just waiting on parts.

Do yourself a favor and get the AAA app. It works quite well.
Old 04-03-2021, 10:37 AM
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Originally Posted by kn51
Do yourself a favor and get the AAA app. It works quite well.
I may do that. I spent WAY too much time dealing with their automata, then the live person asked all of the EXACT SAME questions. Texting was no better. The first time I called I was talking to a guy who was sitting about half a mile from me in their call center. When I called back, I guess they had switched to a cell center in the Philippines or somewhere, I don't know, but it was pretty obvious. And of course person #2 had NONE of the information I had given person #1, or their automated system... twice... sigh.
Old 04-03-2021, 01:40 PM
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Been there done that. The app is nice. Pick your car, it locates you with GPS, asks where you want it towed to and it sends text messages keeping you updated. It supposedly can show in real time where the tow truck is but I assume that is company specific. Only human I had to talk to was the towing company telling me they are on the way. Beats the hell out of trying to punch in that 16 digit code or yapping with a call center in a situation that has a situation of added stress.

Did have sort of a laugh when my S600 was towed. He acted like it was the space shuttle. Didn't know how to change gears.
Old 04-03-2021, 02:07 PM
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Originally Posted by kn51
Did have sort of a laugh when my S600 was towed. He acted like it was the space shuttle. Didn't know how to change gears.
Hahaha... Yeah, I had to tell him how to get it in gear to drive it up onto the truck, then how to get it into park, then where the parking brake was. When we got back to my house, he had me back it down off the truck.
Old 04-03-2021, 02:30 PM
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So.... does anyone have a part number or measurement for the short bolts? The EPC doesn't show them as part of the tool kit, doesn't show the donut spare, and I'm having no luck with my Google-Fu today. I have dozens of hits to my queries, and not one single one leads to an actual answer. Plenty of "Use the same ones as your regular wheels" - obviously false. Plenty of "No, they are shorter". Great. HOW MUCH shorter? Actual length? Part number? Anything? Hoping someone here either knows, or would be kind enough to walk out to their car, pull the spare lug bolts, and tell me the part number OR the length of the shank from the tip to the head (not including the head).


That wheel needs to be repaired anyway. Today I tried to air it up, and found where the rim had punched through the tire -- apparently I hit a pothole or manhole cover (around here they can be 1-2" below pavement level) just right going around the corner, and blew the tire. I'm honestly surprised. It wasn't a particularly bad road (for Omaha), and I wasn't going fast or cornering hard. It's covered by Costco's road hazard warranty, and it was mounted less than 5K miles ago. But, I needed to get that wheel fixed and refinished anyway. I want to put the spare on, take the wheel to get fixed, THEN get the tire replaced. But to do that, I'll need bolts that work.
Old 04-03-2021, 02:51 PM
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Went and looked, shank length is 25mm (measuring with it in package).

And drum roll...part # A220 580 00 10 on the package of 5 that fit inside the spare tire.
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Old 04-03-2021, 03:01 PM
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Thank you, thank you, thank you. Mercedes calls that part number a "spare parts box". It's a package with the five bolts. All over Ebay used for $35-$40... or I can order it brand new from my favorite M-B dealer for $15.99.
Old 04-03-2021, 03:19 PM
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No problem and you gave me a good laugh out of it. Ordered dipstick tool and it came today. When I went looking for the lugnuts I found a dipstick the PO left new in the bag with the tool kit and stuff. And then I remembered seeing it before but forgot about it. Doh!

Here's another bit of useless of trivia. PO also left a Maybach tool kit which of course is much nicer. Has a different sized tow hook that is larger and doesn't fit.

Old 04-03-2021, 04:54 PM
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I went back to retrieve my wheel chock today, and got a look at the intersection where the tire blew. Sure enough, there is a pothole there. I didn't see it last night -- black pothole, at night, in a blacktop road. Its not that big (for Omaha, meaning there isn't an overturned Volkswagen in it yet) but apparently it's pretty deep. I'm going to send the city the bill for the wheel repair; they might pay it, they might not, but it won't cost me more than a stamp and an envelope to do it.
Old 04-03-2021, 06:36 PM
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Depends on the weather
Glad you got it sorted out. I just looked and saw them in there with the other spare stuff.

Old 05-13-2021, 07:47 AM
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Is the spare wheel on S600 steel or cast aluminum? When a wheel on my S65 cracked in badly fixed spot and I had to drive home 200 miles on the spare, I used the original bolts.
Old 05-13-2021, 08:52 AM
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Steel. At least on mine it is.
Old 05-13-2021, 01:41 PM
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Originally Posted by DaleB
Steel. At least on mine it is.
That explains the difference in length needed. Mine is alloy.

Funny, how good gas milage one can get from the bent 12 when he is forced to go slow.

Old 05-13-2021, 01:58 PM
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My sympathies. The V12 is a fairly efficient engine, I think. I get decent mileage -- between 19 and 21, depending on wind and terrain -- even at 85+ MPH on the highway. I get far better than EPA estimated fuel economy all around, in fact. EPA says 11 city, 17 highway. I get about 15 in town and, at the 75 MPH speed limit, 21 or better on the highway. The terrain around here is all rolling hills, not much flat ground, and there's usually a pretty good crosswind. It's not like driving in FL or TX. I've been pretty impressed that it does so well, really.
Old 05-15-2021, 09:34 AM
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Trip computers are renowned for making up a fuel use display that makes you think the world is a better place than it is. But even so those numbers seem optimistic

https://www.onlineconversion.com/fuel_consumption.htm

1 gallon USA = 3.785411 ltr or 1 gallon ROW = 4.546090 ltr

I would expect these actual fuel consumption figures for a w221 in USA MPG

tractor = ave 20.8, long run 26.6, hard use 17.5,
v8 = ave 17.5, long run 21.6, hard use 13.3
v12 = ave 13.3, long run 17.5, hard use 7.5,



Old 05-15-2021, 09:45 AM
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You'd be wrong.

Not being completely ignorant, I have validated the fuel totalizer's numbers against the actual fuel used on trips. The numbers are spot on.
Old 05-15-2021, 09:47 AM
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my v8 never went above a displayed 21.8 (usa) mpg on any long journey in the first 4 years & 20k miles. (And is about all one should expect of this engine and car) In year 5, I had reset it and with some roadworks on a highway with 20 miles at a constant 50mph (covered by ave distance speed camera zone), I then chose to dawdle at 62 mph for the remaining 25 miles and that was the first ever time it displayed anything higher... getting to 24.2 (usa) mpg

Same trip without the limits and an ave 85mph is does 20.8 which makes you wonder if slower is worth the effort
Old 05-15-2021, 09:52 AM
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Maybe so, but you utterly despise your car and it probably doesn't like you much either.
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Old 05-15-2021, 12:33 PM
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Twelve around town and a little spirited highway driving between ramp changes. Easy 20-22 highway without much regard to speed. Bigger tank would be useful.
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Old 05-18-2021, 10:43 AM
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Originally Posted by COUPCONNOISSEUR
do yourself a favor and buy a full size spare. It fits.
Seriously? I had no idea
Do you have a picture?
Old 05-18-2021, 11:12 AM
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Over the weekend we took a trip down to KC, about 175 miles each way. We averaged 19.7 MPG round trip, including a little city driving, at 75-80 on the highway. That was also in fairly heavy rain for a good portion of the trip, which of course affects gas mileage due to the increased drag and rolling resistance.

And I'll say I was wrong about the city mileage. I hadn't been driving in town for awhile. I average about 13.5 generally, and that does include the occasional "spirited" driving, as they say. Still substantially better than the EPA estimates, which is very unusual.
Old 05-18-2021, 02:39 PM
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Originally Posted by Hatzenbach
Seriously? I had no idea
Do you have a picture?
I don’t have a picture. But It does indeed fit, I have a full size spare in my CL550. The only thing that needs to be removed is that storage panel above the spare.


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