What does the k40 relay control?

What does the k40 relay control?

The notorious K40 overload protection unit is a well-known cause of starting, idling, and engine stumbling problems. This unit provides voltage to the control modules and electrical components, including the fuel pump, electric air pump, and horn.

How to reset check engine light on Mercedes slk230?

I found on the wiki a method how to reset check engine light on your MErcedes SLK230, switch the key in ignition on position 2, turn steering wheel full left then full right and back to centre and warning lights will be reset. This works only after you changing the battery.

How do you lock the ignition switch on a Mercedes SLK?

Alternately, it can be pried off carefully using a small flatblade screwdriver. For reassembly, the ring’s clips (arrow) grab the slot in the dash panel directly under the key cylinder. The special Lock Cover Tool catches the key’s remote fob, causing the key to move with the tool.

How to change cylinder cover on Mercedes SLK 230?

The aluminum cylinder cover ring needs to be rotated a quarter turn counter-clockwise while the key is in the “1” (Accessory) position. The barbaric way to do this is with large channel locks, which will likely mar the lock cover. A better method is with a purpose-specific Lock Cover Tool (Pelican Parts #BM-202-0014).

What to do if your Mercedes ignition switch is not working?

If you have a spare key try to see if you are experiencing the same symptoms with the other key. If the other key works, keep using it for a couple of weeks to verify that the issue is really the key and not the EIS. Try scanning your Mercedes-Benz for fault codes. Ideally using a Start Diagnostic Scanner.

Alternately, it can be pried off carefully using a small flatblade screwdriver. For reassembly, the ring’s clips (arrow) grab the slot in the dash panel directly under the key cylinder. The special Lock Cover Tool catches the key’s remote fob, causing the key to move with the tool.

Can you change the cylinder on a Mercedes SLK 230?

A better method is with a purpose-specific Lock Cover Tool (Pelican Parts #BM-202-0014). Once the cover is released, the key and tumbler can be pulled out of the steering lock. The one drawback to ordering a new cylinder and key is that the trunk lock will still require the original key.

If you have a spare key try to see if you are experiencing the same symptoms with the other key. If the other key works, keep using it for a couple of weeks to verify that the issue is really the key and not the EIS. Try scanning your Mercedes-Benz for fault codes. Ideally using a Start Diagnostic Scanner.

When did the Mercedes Benz SLK Class come out?

In this article, we consider the first-generation Mercedes-Benz SLK-Class (R170), produced from 1996 to 2004.