Quote:
Originally Posted by jcyuhn
Why? It doesn't even get cold enough here that you have to wait for the glow plugs, let alone need heat to start the engine!
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Not for here Texas necessarily, but when in Nebraska or on-the-road in the wintertime.
Quote:
Originally Posted by Bob338
Which 'BlueTec'? I know they are available and are OE equipment for the 2.1's in Canada. I'm sure there is an OE one for the 3 liters as well. The 2.1's are not really block heaters though they function in that way. It's hooked into one of the hoses with a pump that heats the water enough to open the 'stat and circulate the hot water.
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I referenced Bluetecs for any other W211 owners of the V6 that may have had experience with the block heater too.
Quote:
Originally Posted by jcyuhn
SRJ has an '06 211 with the OM648 straight six CDi engine. I'm sure it has provisions for a block heater, but no idea whether it comes pre-installed.
I wonder if it is the same as the w210/OM606 combo. We got those with the block heater installed, but you had to amble down to the dealer and get a cord to plug it in...
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Yes, the M648. I too, had the block heater install when I bought it new from MB dealer. I specifically instructed that it, and the front license plate holder on the W210/OM606 be installed from new, as complimentary add-ons included from MB.
Quote:
Originally Posted by JimFreeh
Here in Virginia Beach, VA this morning we had 15 deg F temperatures.
My 2005 CDI glowed for a few seconds, then fired right up.
Since it's a Texas car, I have not seen a plug and harness for the block heater, but if it starts like this when it's 15 deg F, I don't see any need for one.
Jim
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Jim, I don't guess it's necessary to start down to 0 deg F, I just want one for up north and easier starts.
This is a good place to perhaps get my thoughts and other concerns/Qs out there on these (newer diesels).
My 1st MB diesel was the 83 300SD. It's Owners Manual gave explicit and complete Cold Weather starting procedures. I followed those procedures one cold morning down around 15 F, and they worked.
The W210/OM606's Owners Manual had no such instructions as I recall. However, I would glow it twice before cranking a cold start without the block heater plugged-in. The glow plug dashboard light on the OM606 indicates a several second time delay before it's ready to crank.
The W211 M648 glow plug indicator seems to be just a formality of sorts because it flashes for about 1 second, before indicating the engine is ready to be cranked.
Does the glow continue, or does it extinguish electrical glow when the light goes out? If it does keep glowing, would it not make sense to wait a couple three more seconds to let it do a bit more preheating?
My thoughts on the short glow-cycle indicator are these; does this engine not require much of a glow time because of advanced glowing capability on this car model? Or, is it just a formality because of this engine's lower compression than previous MB diesels? Which doesn't seem to make sense, because after all the explosion process is because of the compressed airspace. So, why the short glow-cycle?
Further, if these newer MB diesels, CDI and newer have lower compression, do these lower compression engines not need much if any glowing? Which brings me to the notion that maybe they won't benefit from a technical standpoint from a block heater, as much as the previous MB diesels did.
Your thoughts please?