I think Skid Joe meant W140 is never been 350 SDL, I think w140 never made a long chassis unless for limousine.
But all of you are right W126 has 300SD, 300SDL, 350SD and 350SDL.

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91' MB 350 SDL, with 961 engine and #14 valve head
09' ML320 Bluetec

I saw one of those here recently. A Vietnamese guy runs a garage I get smogged at sometimes. I gather that MB diesels are way common in Vietnam. Mechanics who train there have some tricks. Owns 4 w126s I gather. He's big on the 3.5 motor. Who knows, I've read they perform well at times.

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Te futueo et caballum tuum

1986 300SDL, 362K
1984 300D, 138K

I've posted this before -- but worthy of reposting given the topic at hand.
Can anyone notice the problem?

Attached Thumbnails

 

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Lance Allison
Lance@LanceAllison.com

Current:
11 MB S550 4Matic, 55k miles, Designo Black/Black
14 Ford F150 XLT Lariat Crew, 73k miles, 5.0
Coyote V8 4x4. Black/tan.
09 GMC Envoy Denali, 5.3 V8, 4x4 SWB. 38k miles,
Jewel Red/Med Gray.

Gone:
87 MB 300SDL, 320k miles, Astral Silver/Blue.
98 VW Jetta TDI, 488k miles, Classic Green/Gray.
85 Olds 98 Brougham FWD, 4.3 DIESEL V6, 80k
miles, 3x Gray.

MBCA Member, Chicago Region

Someone at the body shop forgot about “i before e, except after c.”

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Christopher
'06 Mercedes E350 station wagon (silver/black)
'85 Mercedes 300D (black pearl/palomino)
'85 Mercedes 300SD (smoke silver/burgundy)
'79 Cadillac Sedan DeVille

'05 Toyota Camry (because always running is nice)

'85 Mercedes 300D sold back to orig. owner 8-1-06
'84 Volvo 264GL Diesel, owned 2000-2013

Deisel is the "German" secret language.
And still it's not 350 SDL. As I said I think W140 didn't have long base for the diesel engines at least.

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91' MB 350 SDL, with 961 engine and #14 valve head
09' ML320 Bluetec