Date registered: Sep 2010
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1981 Mercedes 300D Engine Mystery...
My friend owns a 1981 Mercedes 300D, with Engine # 615.223 1304, as stamped on the Engine Mount. We are trying to locate and purchase a Neutral Safety Switch for this car, but are unable to cross reference this Engine # to the correct part. There seems to be at least two different switches that could possibly fit this auto...
We also attempted to bypass the NSS with instructions we found on a couple of other posts in this forum, but we were unable to locate the "Block" that is supposed to be near/under the battery. We were also unable to locate the 4 pin plug that is supposed to be above/near the accelerator. When attempting to bypass the NSS at the plug on the Switch itself, we could not get the Engine/Starter to turn over.
We also ran a jumper between the Starter and the Solenoid, which only "thumped" the relay on the Left Front Fender. Any photos of where these other 2 bypass locations are would be a great help. We need to get this started once to get the car up on some ramps to remove the NSS and verify which one we need...