Too add to what mbtjc suggested, Haynes publishes a W124 book that covers the 220E model. Between the US CDs and the Haynes manual, you should be pretty well covered... unless you have a transmission problem
Check
www.haynes.co.uk and/or a UK bookstore like
www.whsmith.co.uk.
Sixto
91 300SE
87 300SDL
83 300SD