god help me i have bought a L reg c180 auto in green aqua it is a nice car drives well foward but when it comes to revers its a bad story it gose into reverse ok but when you try to go back it feels like the brakes are stuck on if you put the car into n it dose roll freely so i think the gearbox is locking up i have diped the auto oil with the engine runing in park and its on max also the drivers door lock neather opens or locks the car all help would be well recived first time merc owner ps if you shift n then r in constantley you can go back but its a bit jerky thanks martin [email protected] :bannana: