Where is the K40 relay on a SLK 230?
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.
Where is the K40 overload protection relay located?
Troubleshooting should obviously begin with any diagnostic trouble codes (DTCs), followed by checking for blown fuses. 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.
When does a Mercedes slk230 K40 fail to restart?
First, the customer complaint: car runs great, no problems, but it will occasionally die and fail to restart. About 15-20 minutes later, it will usually start and all is well until it does it again. Vehicle usually has to be driven 20 minutes or so before failure will occur.
What should I do if my K40 malfunctions?
When the K40 malfunctions, these components don’t get their required voltage. Troubleshooting should obviously begin with any diagnostic trouble codes (DTCs), followed by checking for blown fuses.
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.
What causes the K40 overload protection unit to fail?
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.
When the K40 malfunctions, these components don’t get their required voltage. Troubleshooting should obviously begin with any diagnostic trouble codes (DTCs), followed by checking for blown fuses.
