my first question is to ask what my be the problem with my gearbox in the mornings reverse and 1st gear are hard to select when warm they are okive had the car 2 years and it always been a problem but recently seems worse if i try 2 nd gear 1st thing then it goes in reverse easy its c 220 diesel coupe 2002 any suggestions or were can i get aworkshop manuel ta

 

Try changing out transmission oil to Redline 75W90 or LW. It's a great product.