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R129 SL Soft Top Problem Overview

R129 SL Soft Top Problem Overview

Posted by Carl Burgess on 1st Aug 2018

Are you having R129 soft top problems? It may be stuck, or it won't close, won't reset, needs manually opening, or you think your controller needs fixing? Soft Top Mayhem! Problems with raising and lowering soft top roofs can be frustrating and feel illogical at times. It is one of our most requested diagnoses for the R129. The hydraulic and electrical system to achieve this is beautifully engineered (in my view) and, as such, any issues can be addressed using a methodical approach. A set of micro switches, locks and hydraulic valves must all function well in turn to allow the next process of motion. It's not always immediately obvious whether the roof control unit is at fault, or one of the above components. The first step Look at fault codes if present. Early models will need a flash code reader. On later models, STAR diagnosis may be required. Next steps It's fairly simple to test the switch function with a meter, by manually opening and closing the locks indiv
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Is the Mercedes Benz R129 SL a future classic?

Is the Mercedes Benz R129 SL a future classic?

Posted by Carl Burgess on 18th Jun 2018

Is the R129 SL 500 a good investment in 2018? Is the R129 a future classic? In short - yes. In fact, the R129 is a current classic. It was a classic the day it was born in 1989! I'm noticing that the SL is beginning to get attention from investors, rather than just enthusiasts. Bruno Sacco's range of two door R129 SL roadsters (wiki), in production 1989-2001, are known for their fantastic build quality, timeless design and sophisticated craftsmanship. Future outlook for the SL The R129 is seen today as a highly desirable modern practical classic car. It commands a higher average price than its successor, the R230 SL, not least due to its mechanical simplicity. There is no time in history where the value of the R129 has declined. Doubly, the car is experiencing a surge in popularity and market value, making it a fantastic choice for investors. Our sources estimate, over the last five years, a 25-30% increase in the value of mid-spec examples. Low mileage cars hav
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