Start date feb 15 2019.
Mercedes slk roof leak problems.
The mercedes slk cabriolet range was launched between 1996 and 2019 with the r170 1st generation compact roadster between 1996 2004.
The hardtop roof on the r171 is actually pretty good.
The hydraulic roof actuating cylinder on the driver side was leaking hydraulic fluid.
The hydraulic roof actuating cyliders 3 and the hydraulic cylinder for lock actuation 4 are located in the retractable top.
There can be different reasons why the vario roof of an slk does not operate properly.
The majority of mercedes convertible problems are caused by a bad relay weak lift cylinder or lift cylinder leaking by the o ring.
You can see the leak on the plastic panel in the slk s trunk.
Leak problem in slk 2013 r172 thread starter pundabuyer.
Diagrams showing all drains and where and how to lube the roof seals and mechanisms.
Mb club uk is a mercedes enthusiast club run by enthusiasts.
Hope this helps good luck.
The hardtop vario roof is operated by five hydraulic actuators powered by a hydraulic pump.
I would recommend rebuilding all five of the hydraulic cylinders.
Few companies succeeded in making a reliable hardtop convertible that doesn t leak and isn t as complicated as an open heart surgery.
Feb 15 2019.