power or kickdown

I drive an 03 w211 E220CDi. Recently, when pulling out to overtake on motorways I've experienced a partial loss of power, meaning I have to pull over and stop the car. While the engine keeps running, it won't rev over 2000-2500 rpm and refuses to kickdown. After I stop the car and engine and...

Hello, iv just come back from the seaside and on the way back when trying to overtake my car shudderd when trying to pick up speed, its auto so when i pushed the kick down nothing happend,i can get hardly any pick up in any gear just shuddering,im extreamly concerned as it appears my cat has...

Hi all, while driving on the motorway tonight my SLK seemed to have hardly any power at all, I literally had my foot to the floor and it slowly climbed to around 70mph but felt like it had no more to offer. Also wouldn't kick down unless I pushed my foot right down on the switch under the...