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Old 03-02-2019, 11:09 AM
Ten13 Ten13 is offline
Ten13
 
Join Date: Apr 2017
Location: Asheville, NC
Posts: 116
M110 Engine Identification in my '74 w114 Sedan

Hi there -

I have a 1974 280 Sedan (w114), and the engine, which I believe to be original to the car, carries the following number: 110.921.12.028948. From what I have read, this is a 158-hp @ 5500rpm engine.

This car has a Solex 4a1 carburetor, and according to some research, there was also a 'lower-compression' version, rated at 143-hp (110.931.xx) installed in US-spec cars(?). I also don't see the red, painted-on "USA" letters on the right side of the head, as I have seen on other m114 cars.

My 280 was brought to California in '74 via the MBZ European Delivery Program by its original owners. It has crank windows and column-shift, which I also find a bit unusual.

The question: Is this the normal engine one would find in a USA / California w114 280 Sedan for 1974? I thought these all shipped to the USA with the lower-compression 931.12 mill.

Thanks in advance!
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M110 Engine Identification in my '74 w114 Sedan-img_8738.jpg   M110 Engine Identification in my '74 w114 Sedan-img_0577.jpg   M110 Engine Identification in my '74 w114 Sedan-img_8874.jpg   M110 Engine Identification in my '74 w114 Sedan-img_0576.jpg  
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=== current vintage stable ===
'73 VW Thing, '09 BMW 328i Convertible, '07 Honda Ridgeline, '94 Chevy Step Van

Last edited by Ten13; 03-02-2019 at 03:02 PM.
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