How to troubleshoot a Mercedes Benz SLK top?

How to troubleshoot a Mercedes Benz SLK top?

For the average SLK owner, top troubleshooting is possibly better left to the pros. The Vario Roof Diagnostic Aid manual is detailed and extensive. However, the average owner can separate the more-obvious problems from the complicated ones. It might save a trip to the dealership or shop.

Where is the fill hole on a Mercedes SLK 230?

If the fluid is low, the fill hole is on top of the hydraulic pump. The plug is easier to access by removing the metal cover, which is secured by four bolts having T30 Torx heads (arrows). The filler hole (arrow) is on top of the pump, on the right-rear fender side.

Why does my Mercedes SLK Class alarm keep going off?

You’ll see yellow foam insulation around the PSE. Chances are, water has leaked in via the hose, and is INSIDE the PSE module.

Why is my hydraulic pump not working on my Mercedes SLK?

If the battery reads at least 11.4 volts with the engine off and its cables are clean and clamped snugly on its terminals, then focus on the top’s switch. If nothing happens when the switch is pulled and the switch doesn’t illuminate, then it or its connections could be bad.

Why is my Mercedes SLK 230 not working?

A non-functioning blower can be a root cause. With the ignition switched on, this fan is audible, and airflow should be felt with the control module’s cover removed. Visual inspection of the K40 might reveal a correctable flaw.

Where is the K40 relay on a SLK 230?

If those lead to dead-ends, the K40 is worth scrutinizing. The K40 relay is located in the control module box, under the hood. In left-hand-drive R170 SLKs, this box is near the exhaust manifold. A heat shield and a blower motor keep the electronics in the box cool.

How can I repair my Mercedes SLK 230 overload protection relay?

A brass clip (green arrow) keeps the K40 in place. Pressing it outward sets the K40 free. Pull the plugs off the K40 and remove it from the car. A skinny flathead screwdriver can be used to pry the relay board out of the case. Check the relay side of the board for obvious problems: charred or loose connections, etc.

Where is the PSE unit on a Mercedes SLK?

Check the PSE unit in the trunk, passenger side, towards front, behind CD-player. Fairly easy to get to just pull the trunk bottom panel out so you can see the spare tire, then it’s a few clips I think to get the panel off. You’ll see yellow foam insulation around the PSE.

What to do if the OBD II scanner doesn’t communicate with the vehicle?

What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.

Where is the filler plug on a SLK 230?

The plug is easier to access by removing the metal cover, which is secured by four bolts having T30 Torx heads (arrows). The filler hole (arrow) is on top of the pump, on the right-rear fender side. Use a 5mm Allen/hex wrench or bit to remove the filler plug.

How many hydraulic cylinders are in a SLK 230?

Five hydraulic cylinders, nine limit switches, a control switch, four window motors, a pump, two solenoids, a relay, cables/pulleys, and a control module all have to work in sync for the top to operate properly. If one link in the chain breaks down, the top either won’t work or it stops mid-retraction.

Where is the OBD connector on a Mercedes SLK?

OBD connector location for Mercedes SLK Class – R170 (1996 – 2004) You will find below several pictures which will help you find your OBD connector in your car. The OBD connector is located inside of the vehicle, above the pedals.

How to repair a Mercedes Benz SLK Class?

We’ve gathered a vast collection of useful articles to help you repair many items on your Mercedes. Save money by avoiding your mechanic and perform the repairs using the information we’ve provided here. Can’t find what you’re looking for?

Why does my Mercedes SLK Class R170 sound like a jet engine?

If your R170 SLK sounds like you’re seated next to the jet engine on an airplane instead of in a Mercedes-Benz driver’s seat, your wheel bearings might be bad. Prolong bearing life and eliminate gear whine with a rear differential oil change. Over time the power steering pump tends to fail.

What to do if your SLK Class R170 has a leak?

Changing the SLK230 MAF sensor is easy with our handy replacement guide. Got a leak in your exhaust manifold? Fix it with this tech article. ABS warning light blinking?

What kind of hard top does a SLK have?

The SLK’s electro-hydraulic Vario convertible hard top is its marquee feature. It’s also one of the car’s most problematic systems. Five hydraulic cylinders, nine limit switches, a control switch, four window motors, a pump, two solenoids, a relay, cables/pulleys, and a control module all have to work in sync for the top to operate properly.

Why does my Mercedes SLK top not latch?

The trunk will not latch and after releasing the pressure on the pump and trying to manually operate the motion to put the top up, I cannot raise the trunk up enough to pull the top up. It feels like it is catching somewhere Followup from the Pelican Staff: Sounds like the roof switches are not in the correct state when stowed.

How to fix Mercedes SLK 230 Vario top manual closing proceedure?

Followup from the Pelican Staff: There is no single fix. You will have to confirm if voltage is OK to the module, if not, other erroneous fault codes may set. Start by checking power and grounds to the module, be sure to voltage drop test them.

How is the Mercedes SLK 230 headliner held in place?

Regardless of the motivation for removal, the headliner is held in place by nine Phillips screws: three on the leading edge and three on each side. They’re all accessible by opening the top halfway. Once the top is partially retracted, remember to turn the key to its OFF position to depressurize the hydraulic system.

Where are the Phillips screws on a Mercedes SLK 230?

Three Phillips screws (arrows) retain the headliner’s front edge to the roof. Each side rail has three star screws (arrows). The rear-most screws are above the top’s cables. Once all nine screws are removed, the headliner can be lifted out.

Check the PSE unit in the trunk, passenger side, towards front, behind CD-player. Fairly easy to get to just pull the trunk bottom panel out so you can see the spare tire, then it’s a few clips I think to get the panel off. You’ll see yellow foam insulation around the PSE.

For the average SLK owner, top troubleshooting is possibly better left to the pros. The Vario Roof Diagnostic Aid manual is detailed and extensive. However, the average owner can separate the more-obvious problems from the complicated ones. It might save a trip to the dealership or shop.

Is the Mercedes-Benz SLK 230 Vario convertible hard top?

Click here to order! The SLK’s electro-hydraulic Vario convertible hard top is its marquee feature. It’s also one of the car’s most problematic systems.

If the fluid is low, the fill hole is on top of the hydraulic pump. The plug is easier to access by removing the metal cover, which is secured by four bolts having T30 Torx heads (arrows). The filler hole (arrow) is on top of the pump, on the right-rear fender side.

Where is the hydraulic pump switch on a Mercedes SLK?

Remove the rear center console (please refer to that article) to access the switch. Next, focus on the hydraulic pump unit’s relay. Have an assistant pull the switch; feel the relay and listen for it to click when the switch is depressed.

The SLK’s electro-hydraulic Vario convertible hard top is its marquee feature. It’s also one of the car’s most problematic systems. Five hydraulic cylinders, nine limit switches, a control switch, four window motors, a pump, two solenoids, a relay, cables/pulleys, and a control module all have to work in sync for the top to operate properly.

What kind of car is a 2003 Mercedes SLK?

Used 2003 Mercedes-Benz SLK-Class SLK 230 Roadster 2D Edit OptionsMileage: 108,005 4.6 Consumer Write a review View Gallery For Sale Near You 22 Mercedes-Benz SLK-Class vehicles in your area. Used 2004 Mercedes-Benz SLK 320 $8,291 Reduced Nexxt Car Inc Used 2005 Mercedes-Benz SLK 350 $12,999 Rose Motorcars Used 2002 Mercedes-Benz SLK 320 $9,900

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