However the top can be a huge headache when it doesn t work as intended.
Vario roof control module.
The slk s electro hydraulic vario convertible hard top is its marquee feature.
This impressive system coordinates switches cables and hydraulics.
If the controller senses that one component isn t working it can cancel the whole job of lowering or raising the roof.
Slks vario retractable hardtops are probably their biggest single selling point.
Control module limit switches control module n52 tasks.
It s also one of the car s most problematic systems.
Next solenoid y5 energizes causing cylinder 3 front vario roof locks to unlock.
Closing sequence of roof vario roof activated.
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.
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.
Solenoid y1 energizes supplying system pressure.
I have been working on mercedes benz vehicles since 1997.
Solenoid y6 energizes to prevent vario roof from moving into easy pack then the pump builds pressure.
I also do online diagnostics at www.