Vario Roof Control Module
It s also one of the car s most problematic systems.
Vario roof control module. Five hydraulic cylinders nine limit switches a control switch four window motors a pump two solenoids a relay cables pulleys and a control module all have to work in sync for the top to operate properly. Slks vario retractable hardtops are probably their biggest single selling point. The slk s electro hydraulic vario convertible hard top is its marquee feature. Control of hydraulic unit control of rear side window motors send function and warning messages over can b read switch position and sensor values control vario roof hydraulic unit relays to change direction of pump motor rotation a7 5k1 a7 5k2 5 limit.
Solenoid y1 energizes supplying system pressure. Solenoid y6 energizes to prevent vario roof from moving into easy pack then the pump builds pressure. Switches s69 2 3 confirm it s not locked. Klaus from top hydraulics inc shows you a simple way to test all of the microswitches at the convertible top control module and make sure that they are all.
This impressive system coordinates switches cables and hydraulics. Closing sequence of roof vario roof activated. Control module limit switches control module n52 tasks. I also do online diagnostics at www.
Next solenoid y5 energizes causing cylinder 3 front vario roof locks to unlock. I have been working on mercedes benz vehicles since 1997.