I think I put this in the wrong forum yesterday. I have a 1984 300SD. Wanting to know if it is a turbo diesel? It acts like it is, but does not say turbo diesel on the back. Does it have a turbo? thanks for info.

Vickie

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'84 300SD
'02 New Beetle TDI

If you are sure that no one has swapped engines on the car and that you do, in fact have a 300SD, then it is logical to assume you have a turbo.

You may be able to recognize it on the passenger side of the engine, under the air cleaner. The intake below the air cleaner is in a u-shape- just behind this would be your turbo.

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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)

I'd bet 99.44% that you have a turbodiesel.

SDs that year all had turbos, and it's really unlikely that the engine was swapped for a non-turbo. I can't think of one reason to do so.

If the power increases noticeably at around 2,000-2,500 rpm, that's normal turbo boost.

The Turbodiesel badge on the trunk is probably missing.

My 86 300SDL has no badges on the trunk, just the three-pointed star. Previous owner(s) removed the 300SDL and Turbodiesel when they had it repainted, and never put them back on.

I think that Mercedes cars in Europe don't have badges like in the US.

Enjoy the car, it's one of M-B's best.

Jim

99.44 % ?????????????
LOL, Clearly a man who grew up watching the Ivory Soap Commercials...