German Purje Blog

That dull clunk over speed breakers is usually a worn control arm bush or ball joint — cheap to fix early, expensive to ignore. Here is how to read the symptoms, decide between a bush, a joint or a complete arm, and order the right part for your car.

A practical owner's guide to the Mercedes-Benz C-Class W205 (2014-2021): the parts that most often wear out or fail, the symptoms to watch for, and how to order the right replacement first time. Includes pre-facelift vs facelift differences and fitment tips.

One corner sitting low overnight is a leak, not a dead compressor. Here is how to tell an ageing air spring from a valve block or sensor fault, what to check before you order, and why fixing it early saves the compressor.