Here's a picture of the heat shield I show for this engine. Size of the orifice is 7.5mm. BA lists this as suitable for the 200D.



steve a

As a side note, the heat shields in there look more similar to VW IDI heat shields, I think they have a small orifice, like 5mm.

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Steve A
92 W140 OM603
97 VW Jetta TDI
90 Passat variant TDI 6 speed MT
94 Chevy K1500 6.5TD
05 E320 CDI
+ others

Thanks for the advice, everyone! So, after doing some research I have found that there are indeed heat shields in there. They are the original T-style and are probably fused to the prechambers.

I should be able to remove them either with a slide hammer, jamming a screwdriver into the hole and prying/twisting, or inserting a round file or screw extractor into the hole and twisting/prying.

I have also read that unlike the new design heat shields I purchased, these CAN be reused over and over. I think it may be a good idea to use them again IF I can get the contact surfaces clean and smooth. Perhaps I could polish the surfaces with lapping paper that is intended for rebuilding injectors or a paste polish. It would obviously not be a good idea to reuse heat shields of the current design.

The factory service manual says to tighten to 7-8 MKPS. This may change when using the updated heat shields.

So, what do you think? Clean up and polish the surfaces of the original heat shields and reuse them or get violent with the tools and remove them from the car and install new ones that are a one-time use? I am leaning toward the first option!

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1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles

Those look like the ones I purchased.

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Stop paying for animal enslavement, cruelty, and slaughter. Save your health and the planet. Go vegan! I did 18 years ago. https://challenge22.com/

DON'T MESS WITH MY MERCEDES!


1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles

They do, except that the orifice on the ones you purchased looks like it's larger, something closer to 10mm. To be honest I don't know precisely what the factory specified. BA says these fit a broad application range but if you look at other parts suppliers they make a distinction.

If you jam a small screwdriver down into the existing heat shield and twist it from side to side you should be able to extract it.

steve a

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Steve A
92 W140 OM603
97 VW Jetta TDI
90 Passat variant TDI 6 speed MT
94 Chevy K1500 6.5TD
05 E320 CDI
+ others

Get a small net- stick it over the heat shield and turn the engine over a couple times-the shield ought to pop out.

I have used a s/s welding rod sharpened with a short 90 degree bend to pull those suckers out.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"