[W124] Tyres on 17"

[Alec Cordova]

I wasn't sure it applied as far back as 93, but MB had some challenges with
engine wiring harnesses for a few years. It hit our 95 C280 with the same
M104 engine family. It apparently affected gas sixes and eights from mid or
late 93 through early or mid 96. They switched to an environmentally
friendly (or perhaps just cheaper) insulation on the wiring, and it didn't
hold up so well. I don't know if 4 or 12 cylinder or diesels were affected,
although I wouldn't be surprised.

Still, unless Greg had more than just the engine wiring harness replaced, I
am surprised at the price. The parts cost for us about 3 years ago was just
under a grand, and I thought book rate was 4 or 8 hours of labor. Then
again, one usually has more work done when committed to an expensive
servicing.

And I have no help on the wheels question other than to mention that there
is a sheet about it in my repair CD set. You might be able to find it on the
set at mb.braingears.com. There was mention of rebending the fender lip, but
I haven't upgraded my wheels, so I didn't memorize the details.

Alec Cordova
Taylor, Texas
89 300CE, 210K


-----Original Message-----
From: w124list-bounces at mbcoupes.com [mailto:w124list-bounces at mbcoupes.com]On
Behalf Of Jay Hirsch
Sent: Sunday, September 24, 2006 12:06 AM
To: W124 CE Coupes and Convertibles
Subject: Re: [W124] Tyres on 17"
Importance: Low


Curious
Why would you have to change the wiring harness on a 13 year car, yet alone
a Mercedes?
thank you
Jay H
On Sep 23, 2006, at 10:28 PM, Greg Aylmer wrote:


Gentlemen,

I have a 93 300CE Cabriolet W/ 60K miles ( W124) just replaced the wiring
harness in Dallas, Tx., $2800 USD, ouch !!. Need recommendation on new
tires, currently running the original 15" wheels with michelin tires.
thought about moving up to 16", didn't know 17" was an option, wish to keep
mercedes wheels, rather than after market. Any suggestions ??

Thanks & Regards

Greg Aylmer    now in Houston, TX.
93 300 CE CV.
65 230 SL

Steve Nervig <dakota at mac.com> wrote:

OH, nice catch Declan. I completely missed the info from the other
post on the tires. Those two tires sizes have a difference of 4.8%.
Could absolutely be the problem.

Steve


On Sep 23, 2006, at 8:33 AM, Declan Mc Dermott wrote:

> Hi Frank,
>
> I have 17" x 71/2" (et35) on my 124 cab which also has sportline
> suspension. It runs 215/45 tyres both front and rear with no
> problems. I have no problems with the ride quality and this size
> tyre also keeps the speedo reading accurate.
>
> I agree with Steve's advice re the ABS problem but I just wonder if
> the problem is not connected to your tyre sizes. You have not got
> ASR on your car so your ABS operates on the two front wheel sensors
> and the one on the rear diff. As you have differing size tyres with
> differing rolling circumferances fitted front to rear I imagine
> this is the cause of your intermittent ABS problem.
> Particularly at higher speeds, the differing speed signals from
> front to rear will cause the ABS unit to interpret this as a
> skidding problem. I have heard of this problem happening when
> somebody fits a spare wheel which is not of the exact same size as
> the wheel it replaces. So maybe if you sort your tyres first the
> ABS problem may just go away !!!
>
> Regards,
> Declan McDermott.
> Cork.
>
>
>> From: "Frank Smyth"
>> Reply-To: W124 CE Coupes and Convertibles
>> To:
>> Subject: [W124] Tyres on 17"
>> Date: Sat, 23 Sep 2006 14:03:13 +0100
>>
>> One more question now that I see that my tyres are well worn :-)
>>
>> I have 17" rims, with 225x45 on the rear and 215x40 on the front -
>> previous owner must have like the "jacked up rear" '70s look.
>> However on Irish roads, those 40-profile tyres are way too harsh.
>> What would be the tallest profile possible with 17" rims ? Not too
>> concerned with messing up the speedometer reading, more concerned
>> with fouling the arches etc.
>>
>> Anyone have 17"s ?
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>
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