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2000 ML55
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565 Posts
Discussion Starter · #1 ·
It's the beginning of the month... Have you engaged and disengaged your "Low-Range" in the last month?

Now that our vehicles are getting older, and our weather is getting colder, it's important to keep that system movable in order to prevent seizure. We do this by engaging and briefly using the "Low-Range" function of the transmission once per month.

1.) Place the vehicle in NEUTRAL on a level surface. Put your foot on the brakes to keep the vehicle steady.

2.) Press the "Low-Range" button next to your stereo.

3.) The "Low-Range" light on your dash will illuminate, and stay on solid once the cycle is complete. If the light remains flashing, have your vehicle checked out.

4.) A slight "Thunk" from below your butt is normal when the system engages.

5.) Put the vehicle in DRIVE. Be sure to have a firm foot on your brake when you do, as engagement of the Low-Range setting will significantly increase the amount of torque applied to each wheel.

6.) Drive forward for a few blocks, trying to keep the speed below 20 MPH.

7.) Firmly apply the brake, and shift into "Reverse."

8.) Travel in reverse slowly for 50 - 100 ft, if it is safe to do so.

9.) Firmly apply the brake, and shift back into "Neutral."

10.) Press the "Low Range" button in order to shift back to normal range.

The "Low-Range" light on your dash should extinguish, and you're good for another month.
 

· Registered
2000 ML55
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565 Posts
Discussion Starter · #3 ·
I simply go slower because the "Low-Range" is designed to pull stumps, not cruise. I don't necessarily think what you're doing is bad, I just know that what I'm doing is sufficient.

There are just a lot of 163 owners out there who probably NEVER do this, and are freaked out when they get the 10 blinks of the "Low-Range" on start-up as a result.
 

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05 ML500 SE
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1,482 Posts
i did the deed thx for the loudminder.
 

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1999 ML320
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24,107 Posts
Yes, I exercised the function a few months back, for a grand total of perhaps twice in the entire lifetime of the truck.
And yes, I was sweating bullets and prepared to hear a nasty crunch if the Borg unit self destructs.
 

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1922 Ford T no OBD, no ECU, no SCN
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37,921 Posts
Have to post small warning about the low range being very powerful.
Years ago I went camping and used low range to launch the boat.
The following morning I started the car and forgot about low range. The transmission was in warm up mode and didn't shift the gears till very high revolutions.
So driving on 1-st gear taking the foot of gas pedal was locking the wheels on dry asphalt.
It was so shocking that it took me few seconds to figure out what was happening.
 

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2002 ML55 AMG, 2005 Chrysler Crossfire Coupe Limited, 1999 C280
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4,715 Posts
Thanks for the reminder.

Did mine when I got home from work.

I have to say that 'thunk' on engaging and disengaging is rather scary isn't it?:D
 

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11,261 Posts
I exercise mine on a monthly basis and I just drive like normal in the city in low-range for a bit.
 

· Registered
2005 E320 CDI, 2016 E250
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3,214 Posts
Truck in Neutral and be at a COMPLETE stop. Will NOT engage unless those two coniditions are met. Where in MD Wadeski?
 

· Registered
2000 ML55 AMG
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315 Posts
There are just a lot of 163 owners out there who probably NEVER do this, and are freaked out when they get the 10 blinks of the "Low-Range" on start-up as a result.
So this isn't completely unusal then? When I bought my 55 years ago I tried out the low range and this is exactly what happened. It flashed quite a few times before it started working. On the other hand, I used the low range yesterday and it worked perfectly, just a couple flashes before it engaged. I didn't even feel much of a clunk either.

Thanks for the reminder.
 
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