Lifting jack types - Mercedes-Benz Forum

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post #1 of 13 (permalink) Old 08-01-2008, 03:33 AM Thread Starter
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Lifting jack types

I've been looking into a better way to lift my CLK for wheel changing, etc. The MB supplied jack for roadside emergency lifting is very slow & tedious to use.

My first thoughts were to get a 2 tonne bottle jack. Then I discovered that my car jacking points are 6.5in (165mm) from the ground, and all the bottle jacks I could find were 7.0 in (181mm) minimum.

Also available are 2 tonne trolley jacks. These have a suitable minimum height of 5 in (130 mm), so would do the trick.

But as they have 4 metal wheels, they do not sit as solid on the ground as a bottle jack does. Does anyone have any advice/experience of using a trolley jack successfully?
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post #2 of 13 (permalink) Old 08-01-2008, 04:05 AM
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I always use a 4 wheel trolley jack. I find it a lot more stable than a bottle jack.

There are cheap ones and expensive ones that go softly down and have a quick raise feature till the first touch. The minimum height varies too but just about all are good for normal tyre changes.

Even a cheap one would be fine for tyre changes twice a year as long as it is mechanically solid.
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post #3 of 13 (permalink) Old 08-01-2008, 05:47 AM Thread Starter
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DB - thanks for that reply.

Will they also 'hold' the load, or are they just for lifting? I do have some axle stands.
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post #4 of 13 (permalink) Old 08-01-2008, 08:08 AM
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Quote:
Originally Posted by keyhole View Post
DB - thanks for that reply.

Will they also 'hold' the load, or are they just for lifting? I do have some axle stands.
I'm not sure how long you would want the car stay lifted and would you work under the car when lifted. If it was just for changing wheels, the trolley jacks would hold the car perfectly. I have one very old very cheap jack that has lost some of its hydraulic oil, it doesn't lift any more to the full height but it still keeps the car lifted.

I would not work under a car that has been lifted with hydraulic jacks of any kind, unless there was some sort of additional protection. I've never had any problems what so ever, not to mention safety related but I would still be cautious.
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post #5 of 13 (permalink) Old 08-01-2008, 11:55 AM
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I would never get under a car held only by a hydraulic jack of any kind. Axle stands or at least safety pins in the jacks and a solid surface for the base of the stands is the only sane way to allow two tons to hover over you. Absent sturdy axle stands, use cinder blocks or solid wood blocks under all four wheels at a minimum. Being the filling of a Mercedes and concrete sandwich isn't a fun way to spend time.

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post #6 of 13 (permalink) Old 08-03-2008, 10:46 AM
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I would use the factory jack and then put a jack stand under the "hockey puck". The car can fall of the factory jack(believe me, I know) and never ever get under a vehicle just supported by a jack.
Dont forget to block the wheels.

Mike
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post #7 of 13 (permalink) Old 08-03-2008, 12:34 PM
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Here's a handy device sold on eBay: eBay Motors: Jack pad tool for Mercedes W203 W209 W211 W219 (item 330257810917 end time Aug-06-08 18:20:40 PDT)

It allows you to utilize the factory jack receivers while using a trolley jack.

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post #8 of 13 (permalink) Old 08-03-2008, 01:23 PM
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Any hydraulic jack would be better than the factory jack which is for EMERGENCY tire change while on the road. The trolley type floor jack is more stable than a bottle jack as it is less likely to tip over. Always choke the wheels (at the other corner) when you jack up the car, and use a stand if you have to work under it.
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post #9 of 13 (permalink) Old 08-03-2008, 03:38 PM
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I have been using a trolly jack for more than 40 yrs. They are as safe as any jack!!! However, NEVER,EVER get under a car without a jack stand!!!!! A VERY close friend of mine lost his brother when a car on a jack fell on him!!!!! ANYTHING (a block of wood,a rock,anything will hold a car if the jack fails) PLEASE, DON'T MAKE THE MISTAKE OF THINKING THAT IT WON'T FALL!!!!!!!! BE SAFE!!!!!!!
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post #10 of 13 (permalink) Old 08-05-2008, 12:16 PM
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I didn't find the original photo but here is an example how you should jack the car. Note that one wheel is blocked and there is one spare stick keeping the car lifted if the main one happened to fail.
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