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W124 seats - which is the correct one

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CRJ343

Member
Joined
Jul 28, 2007
Messages
51
Car
E220 Cabriolet
It seems that I'll need to replace the seat squab on my W124 cabriolet But I'm at a loss to understand which part number applies.
My seats are leather and heated and I need to replace just the driver's seat squab. (I think)
The following part appeared on the "Russian" Merc Parts list site for my VIN

A124 910 41 22 Cushion Frame
A124 910 62 22 Cushion Frame Upgraded Trim & Reinforced

I assume that the seats squabs are not "handed" so a good pax seat squab should fit ?

On eBay I've seen advertised part 124 910 63 22 which is described as fitting "Mercedes:E-KLASSE W124, Limousine, S124 T-Modell, C124 Coupe". So are all W124 seat bases the same ?

How difficult is to "transfer" my leather cover onto another seat ?
Is the seat padding - I gather it's horsehair + rubber - easy to replace with a modern substitute material - will my choice of material need to be mindful of the seat heating ?

Do I need to replace the adjustment knobs as it states in the manual ?
All advice gratefully received !!!
 
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I'd go with the reinforced one. There were little rubber like inserts that were available to retro fit on account of the 124 spring box being weak from factory & not providing much side support. I assume this means the reinforcement pieces are now offered in a standard assembly.

The spring box as far as I know is only slightly handed, there is a seat belt attachment point that you will need to transfer over to make it handed IIRC.

Reusing your leather cover is not a silly idea and can be transferred over without too much trouble at all.

I would stick with the horse hair, it's what makes a properly built seat soooooo comfortable.
 
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or u can get yours repaired for around £150:bannana:
 
I am sure I have two boxed new squabs down at the yard
 
May very well be interested in one of those......
 
Wouldn't it be possible/easier to put your existing heated seat covers on neilrr's seat, then plug into the existing wiring and switches in the car. That would be reasonably easy to do would it not??
 
or u can get yours repaired for around £150
Click to expand...
Dinoy - where do I go to get my seats repaired? I'm doing 500 miles a week in a seat that's starting to make me feel like my skeleton was put in wonky.

Would happily pay someone money to make my seat comfy again - can't be bothered with all this DIY stuff, looking for parts that are NLA, spanners, etc.
 
Where are you? D-class in Woking or any good car trimmer should be able to cope with this.
 
Dorset_Knob said:
Dinoy - where do I go to get my seats repaired? I'm doing 500 miles a week in a seat that's starting to make me feel like my skeleton was put in wonky.

Would happily pay someone money to make my seat comfy again - can't be bothered with all this DIY stuff, looking for parts that are NLA, spanners, etc.
Click to expand...

Do you know where exactly it is uncomfy, is it where the seat base meets the seat back, is it sagging in the base there. This is a common fault with the 124 seat. If this is what the problem is in your case, it is very easy to just slip a short piece of foam in there with no need to take anything off the seat at all. You just reach under the seat and pop a piece in if you like........
 
Do you know where exactly it is uncomfy, is it where the seat base meets the seat back,
Click to expand...

Hard to say, exactly, but it's definitely partly that. Also I feel kind of weirdly twisted, after a long time in the seat. Like the seat is trying to twist my hips in an unnatural fashion.

I've been using a lumbar support thing from Halfords, which has helped - but the problem is still there.

The passenger seat is even worse - when you sit on that, it's like sitting "on an old car seat you stole from the local tip", as my wife describes it.

This is why I'm thinking of getting a professional job done, I'd like the seats to be A1, really. Unless I can source original, new replacement parts. But I'm finding it really hard to identify and locate what I would need.
 
Dorset_Knob said:
Hard to say, exactly, but it's definitely partly that. Also I feel kind of weirdly twisted, after a long time in the seat. Like the seat is trying to twist my hips in an unnatural fashion.

I've been using a lumbar support thing from Halfords, which has helped - but the problem is still there.

The passenger seat is even worse - when you sit on that, it's like sitting "on an old car seat you stole from the local tip", as my wife describes it.

This is why I'm thinking of getting a professional job done, I'd like the seats to be A1, really. Unless I can source original, new replacement parts. But I'm finding it really hard to identify and locate what I would need.
Click to expand...

When you sit firmly back into the seat back are you twisting toward the door a little?

If you are you're certainly not the only one. Here is a little post I wrote (to myself) about the twisting effect normally associated with the seat back, which I think may be your problem too, the fix is as simple as a piece of Dia 2 mm X 20 mm long piece of wire glued to the seat back stop.

http://www.mbclub.co.uk/forums/interior/116930-w124-coupe-cabriolet-fix-twisted-seat-frame.html

You can still buy most parts new for the seat from MB but they are very expensive indeed. I made the mistake a few years back of going to an MB recommended seat rebuilder and they butchered it with their own "special fix". I do not have much confidence in Upholsterers to be able to rebuild these seats with anything else but new MB parts. I think it is better to experiment with foam blocks placing them strategically between the springs & the horsehair pad under the seats to get it to fit you, one block at a time - till it is just perfect.
You may want to try and find a low mileage second hand seat but that took me 2 + years and even then almost all of the seats you will find have suffered the same collapsed & twisted feeling, especially if you are like me @ 6' 8" and quite heavy. That leaves buying a new spring box and seat pad from MB and getting someone to rebuild the seats, labour for this will not be too bad but the purchase price from MB for the parts is a bit of a killer!!

I can put up a photo or two of the seat base underneath if you like......
 
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Here is a picture where I put the foam blocks, between the spring steel and the brown horse-hair pad. You can do it yourself without having to remove the seat, just put it right forward and up, a screwdriver will lever the spring down so you can insert the foam. I needed 6 mm compressed thickness on a reasonably good frame, you might need 12 mm on a well worn one. I found it’s best to point load the spring supports rather than put a blanket pad in covering the whole seat base because a blanket pad will tend to lock the seat base and prevent it from moving with the undulations in the road, which I really like about the MB seats. DON'T remove the dogleg yellow foam block at the top of the picture, that is there to stop the wire getting crushed, I think.

Start small and adjust up as necessary, you might get a nice surprise & it will cost almost nothing!!

If you feel you need more lumber support you can use the same trick on the seat back too. I am going to give this a go next.


The second picture is where I put the wire packer to stop the typical twist, I used wire because it files down nice and easy to get the twist spot on neutral - micro adjustment if you like...:):)
 
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That's my weekend sorted then! Thanks WDB, I'll give this a go.
 
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