W124 Seat Belt Extender Replacement Gears

mtinlin

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Woking
Your Mercedes
E320 Cabriolet, 300TE 24v, E230, Subaru Legacy Estate
Replacement Plastic Gears for Mercedes/Bosch Seat Belt presenter.
A common failure point on the Mercedes cars fitted with seat belt presenters is the plastic gears that drive the presenting arm back and forth. Mercedes are only able to supply the entire presenter mechanism and Bosch are also unable to supply spare parts for the device.
I have had a very small batch of replacement gears produced by a local engineering workshop specifically to cure the problem in my own E320 Cabriolet. I also had some gears made to suit the slightly different mechanism from the coupe models that I have come across. These gears are made from machined Delrin as opposed to the moulded plastic of the original. This material is harder wearing than the original although this was not the reason for the choice. The two gears share the same external measurements but have different hub sizes.
The gear can relatively easily be replaced once the seat belt presenter has been removed from the car. See attached photo for measurements.
Please note the following:-
I am not a business and I am making these parts available simply to recoup my own costs.
There are other reasons for failure of the seat belt presenter mechanism. Please make your own enquiries to establish that you require this specific part.
Please check my dimensions to ensure that this part is an exact match for yours.
The seal belt presenter rod is available as a spare part from Mercedes.
Please send me a PM with your contact details if interested.
 

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television

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This must go into the DIY or it will get lost,,and thank you
 

becsei

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Do you still have some of these gears left over?
Kind regards
 
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mtinlin

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E320 Cabriolet, 300TE 24v, E230, Subaru Legacy Estate
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Yes, I do. I can send you a spec of the ones I have so that you can check whether they meet your requirements. I can also relay some of my own experience.
 
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melbournecab

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Hi, I have recently purchased a 1994 E220 Cabriolet and both extenders appear to have their gears stripped. The Hub diameter is 6mm, could we make arrangements for two gears to be sent to Melbourne? Many thanks from an Aussie 'Newchum'
 
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mtinlin

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E320 Cabriolet, 300TE 24v, E230, Subaru Legacy Estate
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Hi, I should be able to help. Please send me an e-mail at gears@tinlins.co.uk and I will send you some info.
Cheers.
 
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mtinlin

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E320 Cabriolet, 300TE 24v, E230, Subaru Legacy Estate
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560SEC seat belt presenter gears

Hi, Just an update on these. I have had another small batch of these gears made. It seems from the various enquiries that I have had that these gears also fit the presenters of the other coupes of the era including 300CE etc and the 500SEC etc. Contact me at gears@tinlins.co.uk.
Please note that I originally had these made to fix my own car and I just had more made at the time to keep the cost per item to a sensible level.
 

manzoormughal

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hi, will these gears fit the 560 sec if yes, I would like to purchase two.
could you email me your detail so that i can get in touch with you.
thanks
manzoor
my contact number is 07862227667
or you could email me : manzoor.mughal@gmail.com
 
Last edited:

withbeck

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Bowie Md.
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1997 S500 Coupe/1998SL500
withbeck

The extenders won't move. I can hear a sound that seems to be a motor running,nothing happens. Could this be the sprockets. I was considering replacing the whole unit as I have not pulled everything out of the back seat to actually inspect it. I had a shop look at it and they quoted some astronomical price.
 

television

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The gears can spit and just leave the motor running. You have to remove the trim panel to get to them after removing the rear seats.
 

television

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You must remove the side cover to see what is wrong, plenty around now from the breakers.
 

withbeck

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Obviously I am doing something wrong as I don't see one response although it says just the opposite.
 

television

Always remembered RIP
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Obviously I am doing something wrong as I don't see one response although it says just the opposite.

I do not follow your post, you have to expose the part to see what is wrong ???
 

television

Always remembered RIP
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2002 SL500, 216 CL500, all fully loaded
That member has not posted for near on 3 years, try a google search for them.
 

Stephen Middleton

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Harrogate
Your Mercedes
Mercedes 1994 220 cabriolet
Dear Sir
Do you have a gear left that I can buy? My 1994 220 cabriolet is suffering this problem
Kind regards Stephen Middleton, Harrogate
 

Simon Brook

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Your Mercedes
E320 Cabriolet/1995/3.2
Dear Sir
Do you have a gear left that I can buy? My 1994 220 cabriolet is suffering this problem
Kind regards Stephen Middleton, Harrogate
Hi Stephen
Did you have any luck in locating the replacement gears for your seat belt extender. I'm experiencing the same problem.
thanks
Simon
 


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