1998 Mercedes Benz SLK230 The kick down does not work

Hello -

This could be caused by many things such as, MAP sensor, TPS, MAF, VAF, a vacuum leak, weak fuel pump.

Also, your vehicle should have the plugs changed every 30,000 miles..... So if you haven't then you are twice behind.

Let's start simple and see what we have.

Please go to Auto Zone (AZ) or O'Reilly's (OR) and for FREE they can pull the codes to the car. Most important: Once they check your codes, if they find something and you don't get it fixed and need to get back with us, please make sure you tell us exactly what the code was, number and all. Example, if the code was E0568 O2 Sensor bad. Then make sure you give us all of that. While there for FREE also they can bring their tester out and check your battery and alternator.