To be or Not to be on Neutral gear - Mercedes-Benz Forum
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post #1 of 15 (permalink) Old 05-06-2013, 09:47 PM Thread Starter
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To be or Not to be on Neutral gear

My friend has a W210 with 722.6 gearbox. We are debating whether we should put on the neutral while stopping on the traffic light instead of keeping in "D".

Someone said switching between "N" and "D" fequently causes more problem on the gearbox, while another saying that the gearbox will do more harm keeping in "D" while forcing the car in idle. Don't know who's right.
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post #2 of 15 (permalink) Old 05-06-2013, 10:30 PM
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How long is a usual traffic light? 38 seconds or so?? Naaah I'm not gonna bother to put it in N for that long. If I'm waiting at a railroad crossing for a loooong a....ss train to go by then yeah I'll put it in P and wait.

I belong to the camp, the more you play with it the more harm you will cause over the long period. I usually leave it alone, unless its a long wait.
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post #3 of 15 (permalink) Old 05-06-2013, 10:51 PM
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All you do keeping on D is mixing the ATF.
The wear out on fluid is non-existent, but you burn fuel only to produce the heat.
Even my diesel is cold-blooded, I switch to N on lights that have 2 minutes intervals.
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post #4 of 15 (permalink) Old 05-09-2013, 05:05 AM
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Shifting to neutral just seems like one more thing to make city driving harder on the car than highway driving. At a RR crossing on a hot day with a 2 mile long freight toddling along at 15mph.... yes I'd go to neutral, or possibly shut down completly.
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post #5 of 15 (permalink) Old 05-09-2013, 09:42 AM
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Sounds like you guys did not ride in hybryd?
Some of those things shut off the engine at each stop, even for 1 second. Meaning is right situation 1 mile drive will make about 20 engine restarts.
Modern cars can take those restarts.
And I drove Fiats, that took starter rebuild every 3 years.
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post #6 of 15 (permalink) Old 05-09-2013, 11:15 AM
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And I drove Fiats, that took starter rebuild every 3 years.
I remember my father had to rebuild the starter on his 1972 Fiat 128 every year or so.
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post #7 of 15 (permalink) Old 05-09-2013, 01:48 PM
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Yeah. Good thing those Fiat were manuals. I could push-start 700kg Fiat 126 alone, while pushing it with open door, jumping in, push the clutch get it in 2nd and let the clutch go before the car slows down too much.
With 1700kg Fiat 125 I could do it having some slope, but not on flat - that required a hand from passing-by people.
Now ask me how I drove across the city when the clutch hydraulic fluid leaked out.

Last edited by Kajtek1; 05-09-2013 at 01:50 PM.
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post #8 of 15 (permalink) Old 05-09-2013, 02:41 PM
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Now ask me how I drove across the city when the clutch hydraulic fluid leaked out.
The same way I drove a 1983 Thunderbird Turbo Coupe to the nearest dealer when an inch-long clutch coupling cable broke right at the side of the transmission: speed-matching shifting, letting the engine die at stop lights, starting off in first and going on. I put the new cable in right there in the dealer's parking lot, since it snapped in place without any tools.
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post #9 of 15 (permalink) Old 05-09-2013, 06:02 PM
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OK, so we did it the same way, but I think I beat you on driving with broken gear shifter. I could craw under the car and engage single gear of my choice and facing some long driving in the city, guess what gear did I chose?
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post #10 of 15 (permalink) Old 05-09-2013, 06:31 PM
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OK, so we did it the same way, but I think I beat you on driving with broken gear shifter. I could craw under the car and engage single gear of my choice and facing some long driving in the city, guess what gear did I chose?
4th.
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