R230 sl500 shed/project / massive money pit

R230 sl500 shed/project / massive money pit

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hoppo4.2

Original Poster:

1,531 posts

187 months

Saturday 10th June 2017
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So I've done it again. Buying stuff that I should leave well alone.

This time it's an sl500. This poor car has been sat on a guys drive untouched for the best part of 5 years!!

Apparently it kind of just got forgotten about.



This is the only pic I have at the min and it dose it massive justice.

The thing is covered in green slime and cobwebs and inside is damp and mouldy.

It's position and the fact that the suspension was right down ment we couldn't get the truck near to it. You also can't get it out of park without power so 2 new batteries later and it fired up first flick of the key.

3 of the corners raised up beautifully but one stubbornly refused which made loading it very interesting.

Anyway that's it so far it's dumped on my drive in till I get a day off to look at her

hoppo4.2

Original Poster:

1,531 posts

187 months

Sunday 11th June 2017
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Well thanks for all the positive support and useful info.

The body has turned out well with no rust.

It came with full history and a stack of invoices including new rear shocks and abc pump the year before it was parked up.

The first big job will be to get the n/s/f suspension to come up. I've oredered a valve block rebuild kit and I've got the day off weds so updates will follow.

Once that's done I'll give i service change all the fluids go through the brakes and then we'll see what the mot man says.

hoppo4.2

Original Poster:

1,531 posts

187 months

Sunday 11th June 2017
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Abc update. Found a split in the steel line at the front pissing out fluid guess that's why it won't go up then.

hoppo4.2

Original Poster:

1,531 posts

187 months

Monday 12th June 2017
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£167 at the local stealer plus 3 days to get!

I'm going to remove them on weds and pop to the local hydro hose place see if they can make them up. Maybe in stainless

They made me some new rams for the hood on a xjs that jag said were no longer available and at half the price.

Back to the sl I can't see the point of the flex section why not all hard pipe?

hoppo4.2

Original Poster:

1,531 posts

187 months

Wednesday 14th June 2017
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So today I'm removing the damaged pipework.

Any of you helpful lot know a good mercedes breaker?

hoppo4.2

Original Poster:

1,531 posts

187 months

Wednesday 14th June 2017
quotequote all
Right so a bit of a productive day. Faulty pipe removed and it's being made as we speak for less than half Mercs price should be done by the morning so tomorrow I might get to have a drive.

I spent the rest of the day cleaning up the inside and it's now mould free.

I've also cleared all the fault codes and the only one that I can't clear is no communication with passenger side SAM?


I removed IT and cleaned it all up. Looks like it's been wet.

Anyway my understanding is that it works the lights wipers and locking

All the lights work as do the wipers but the locking won't. I guess that's more to do with the vac pump being soaked.

I'll take a few pics for you all tomorrow

hoppo4.2

Original Poster:

1,531 posts

187 months

Wednesday 14th June 2017
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J4CKO said:
Do you have a Star system ?
No just using a snap on solus

hoppo4.2

Original Poster:

1,531 posts

187 months

Thursday 15th June 2017
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So another very productive day. Got the new pipe fitted and now all is good in the world of abc.



Then I fixed the boot lock so It opens with the handle.

Next I stripped down the pse pump



I got it all working again but the motor is very poor it's been very hot in the past. So hot it's melted the bolder for the brushes. So I think that will need replacing.

Inside is looking a lot cleaned too



So now I need to sort a few bulbs for the mot.

Passengers dip beam ( not the bulb)??
Drivers main beam
Drivers indicator


hoppo4.2

Original Poster:

1,531 posts

187 months

Thursday 15th June 2017
quotequote all
Just had to bleed it out at the nipple then raise and lower it a few times.

The discs are ok just need a clean up which I'll do when I do the service.

I have a suspicion that the lighting issues are going to be linked to this left SAM problem.
Typically there are none listed on eBay at the min with my part number. (A0265453332)

hoppo4.2

Original Poster:

1,531 posts

187 months

Friday 16th June 2017
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The boot lock is a bit of a faf to get out but it was just seized up to so plenty of wd and work it in till free.

The pump is fairly basic in my case the motor has been burnt out I got it going again but it's very weak and not up to the job. So I think I'll just buy a cheap c class one and use the motor from that. I'm not paying 600 for a sl one.

As for your soft close and seats not working it's prob a vaccum leak. This would cause the pump to time out and need resetting by removing the fuse. Eventuality this will burn your motor out like mine.

It's common for the boot soft closer to fail but a simple enough fix. There's lots online about it

hoppo4.2

Original Poster:

1,531 posts

187 months

Friday 16th June 2017
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It's my old man's r129. Carved from granite compared to the r230.

So I today I removed the SAM again completely stripped it and the fuse box again cleaned it all and rebuilt but no joy. frown
Need to find a new one.

I've also ordered a pse from a c class from the bay which I'll strip and pinch it's motor
So I have up in a huff and went back to cleaning it up.








hoppo4.2

Original Poster:

1,531 posts

187 months

Friday 16th June 2017
quotequote all
😁 thank you. I washed it about 8 times then got a toothbrush in all the seals and trim gaps.

Took about 2 hours to go over it with paint renovator (autoglim) one wing is going to need paint and then some super resin polish. I'll get a buffer on it at some point but didn't have one to hand today.

The inside took more effort a combination of steam cleaner sugger soap bleach spray and even 2k thinners.

But in the end most of it came up good with leather cleaner and a nail brush.
The only biti can't get clean is the air vents nothing will touch them. They seem to be covered in a sticky dryed on sap type substance which has gone black with mould.

Thinner on a cotton bud moves it but takes the paint too.

The 129 is an old boat but you can't fault it. He's had it for 12 years or more and I think it's had 1 fault.





hoppo4.2

Original Poster:

1,531 posts

187 months

Friday 16th June 2017
quotequote all
Do any of you lovely people have any indeapth knowledge of Merc electronics?

I'm missing 3 lights for an mot but it's not bulbs or fuses.

Would this SAM communication issues cause this?
I'm reluctant to spend massive money for a new one if it's not the problem

hoppo4.2

Original Poster:

1,531 posts

187 months

Tuesday 20th June 2017
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Update time

Today my new/used SAM and fuse board arrived. £22.58 later and we have all the lights working.

I don't have a day off now u till Monday next week so I'll book her in for Mot then.

Just the pse pump to fix now.

hoppo4.2

Original Poster:

1,531 posts

187 months

Wednesday 21st June 2017
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Well I can confirm that the 129 and 230 both eat up the motorway miles with no problem and with the wind deflector in place there's very little bufferting.

The 230 feels much more modern in comparison to the 129 in terms of steering feel and refinement.

Our 129 is a 320 face lift model with the 5 speed auto box. The 6 speed coupled with the v8 make the 230 much quicker and smoother but its still not going to set the world on fire .

hoppo4.2

Original Poster:

1,531 posts

187 months

Thursday 22nd June 2017
quotequote all
Update time

Today my new/used SAM and fuse board arrived. £22.58 later and we have all the lights working.

I don't have a day off now u till Monday next week so I'll book her in for Mot then.

Just the pse pump to fix now.

hoppo4.2

Original Poster:

1,531 posts

187 months

Friday 23rd June 2017
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I'm really not sure how that happened ??

hoppo4.2

Original Poster:

1,531 posts

187 months

Monday 26th June 2017
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Mot day

Roof down and off we go 40 mile round trip first drive in 4 years or so suns out and it's running lovely.

15 miles in and she cuts out and won't restart. Get out and DISASTER oil raining out.

Get it recover to the garage one new crank sensor later and were up and running but that oil leak.

Undertrays off and it a corroded hose on the gearbox oil cooler. Which snaps off the cooler union.

So now she's stranded at the garage in till I can get a new hose and dad. 😣

hoppo4.2

Original Poster:

1,531 posts

187 months

Monday 26th June 2017
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I'm not surprised really. It's just a pain.

hoppo4.2

Original Poster:

1,531 posts

187 months

Monday 3rd July 2017
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Finally got round to the new rad and pipe today.

And what's more MOT passed!!!