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Pelican Technical Article:

Jacking Up Your W204

Steve Vernon

Time:

30 minutes30 mins

Tab:

$0

Talent:

*

Tools:

2-ton jack, jack stands, wheel chocks, safety glasses

Applicable Models:

Mercedes-Benz W204 (2008-15)

Hot Tip:

Stack the wheels under the car as an added safety measure

Performance Gain:

First step for all work underneath the car

Complementary Modification:

Check Front and Rear Bushings

About one-third of all tasks that you need to perform on your Mercedes-Benz require it to be raised off the ground. While simple enough for the experienced mechanic, the procedure of lifting a 3,000-pound car can be a bit unnerving for the amateur. In this project, I'll start out by showing you the best places to jack your car up and how to support it while you're working on it.

First, let's talk a bit about safety. Haphazard use of a floor jack can result in some pretty significant and expensive damage to you or your car. Before you begin raising the car, make sure that you have the wheels of the car blocked so it can't roll. It's also wise to have your parking brake on as well and the car placed in first gear. You should always use jack stands in pairs to support the car'not simply the floor jack. Even if you are only lifting the car up for a few minutes, make sure that you place an emergency jack stand loosely underneath the car on a frame rail just in case the floor jack fails.

Before you attempt to begin jacking up the car, make sure that the two wheels you are not lifting are carefully chocked and that the car is on a level surface. Keep in mind that if you raise up the rear of the car, the emergency brake no longer works (it works only on the two rearmost wheels of the car). If you place the car in park (automatic transmissions), it will only lock the rear wheels, so place a few 2x4 pieces of wood in front and behind each of the wheels to make sure that the car will not roll anywhere when you lift it up off of the ground.

The ideal place for jack stand supports is right underneath the four standard factory jack supports.

If you are going to be working on your car I recommend you do not use the Mercedes-Benz supplied jack but invest in a proper garage jack. The best jack I have ever found is the DK13HLQ from AC Hydraulics available at Pelican Parts. Manufactured with the highest quality in Denmark, this floor jack satisfies all of my requirements and has more than earned its place in my garage. With a minimum height of only 80mm (3.1 inches), the jack will easily fit under any of my vehicles. On the other end, the jack has an unusually high lift of 735mm (29 inches) that enables you to raise your car up onto floor jacks in one swift motion. Combine that with the easy-to-use lift foot pedal, and you have a superior jack that's perfect for any car enthusiast, regardless of which car they happen to own.

Stack the wheels under the car as an added safety measure if you remove them.

Buy and use a good jack and proper jack stands.
Figure 1

Buy and use a good jack and proper jack stands. This is the best jack I have ever used. While you do not need to purchase this jack you should never use the jack provided with the car unless it is in roadside emergencies.

Whether your car is in show condition or not is no reason not to scratch or mar the paint on the underside.
Figure 2

Whether your car is in show condition or not is no reason not to scratch or mar the paint on the underside. I like to place a hockey puck between my jack and jack point to avoid the metal on metal contact.

When you are lifting the front or rear make sure to chock the wheels you are not lifting.
Figure 3

When you are lifting the front or rear make sure to chock the wheels you are not lifting. Remember, if you lift the rear of the car the parking brake will not long have any effect on holding the car.

When using a hydraulic floor jack to lift the front of the vehicle, place the hydraulic floor jack under the lift pad at the front section under the vehicle.
Figure 4

When using a hydraulic floor jack to lift the front of the vehicle, place the hydraulic floor jack under the lift pad at the front section under the vehicle. You will see a pad in the center of the engine tray that is used as a lift point. Raise the vehicle slowly while monitoring the jack and vehicle's position. Watch that the lifting pad and jack are properly aligned with the jacking point on the vehicle.

This photo shows the lifting point or pad in the center of the engine tray (red arrow).
Figure 5

This photo shows the lifting point or pad in the center of the engine tray (red arrow).

Once you reach the desired height, install the jack stands at the two front jack pad locations (red arrow, front left shown) to support the vehicle.
Figure 6

Once you reach the desired height, install the jack stands at the two front jack pad locations (red arrow, front left shown) to support the vehicle. Slowly lower the vehicle onto the jack stands until the full weight of the vehicle is supported. Check that the jack stands are not tilting or moving when the vehicle is lowered. You can add a second set of jack stands under the steel box section of the body for added support.

There is not enough room to jack up and support the vehicle in the jack pad area on the rear of the vehicle at the same time as well.
Figure 7

There is not enough room to jack up and support the vehicle in the jack pad area on the rear of the vehicle at the same time as well. When using a hydraulic floor jack to lift the rear of the vehicle, place the hydraulic floor jack under the center of the rear differential. Raise the vehicle slowly while monitoring the jack and vehicle position.

Once you reach the desired height, install a jack stand at each jack pad location (red arrow, left side shown) to support the vehicle.
Figure 8

Once you reach the desired height, install a jack stand at each jack pad location (red arrow, left side shown) to support the vehicle. Slowly lower the vehicle onto jack stands until the full weight of the vehicle is supported. Check that the jack stands are not tilting or moving when the vehicle is lowered. You can leave the hydraulic jack under the rear differential for added support.


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