http://ww2.justanswer.com/uploads/eurotec/2010-08-02_023117_Remove_install_center_console.pdf

http://ww2.justanswer.com/uploads/eurotec/2010-08-02_023406_Remove_install_ashtray_housing_in_front_center_console.pdf

remove center console; http://workshop-manuals.com/mercedesbenz/cls_55_amg_%28219.376%29/v8-5.5l_sc_%28113.990%29/body_and_frame/interior_moulding/trim/console/component_information/service_and_repair/removal_and_replacement/page_15124/

Lots of hints; http://mercupgrades.com/

Full workshop manual: http://workshop-manuals.com/mercedesbenz/cls_55_amg_(219.376)/v8-5.5l_sc_(113.990)/body_and_frame/body_control_systems/body_control_module/component_information/technical_service_bulletins/customer_interest_for_body_control_module/p-54_10-167/apr/06/body_controls_bcm_configuration_fault_code_displayed/