RicardoD’s well-running but increasingly oily 1990 Carrera 4 led to an engine-out reseal, cylinder-head work and a long reassembly project. His choices and setbacks are documented through assembly, without establishing a post-rebuild road-test result.
Saprissa illustrated the airbox and paired-filter replacement on his 3.2L V6 C320 coupé and sedan. The discussion adds an important correction: the front cover can stay attached, avoiding unnecessary handling of its fragile tabs.
A 1997 SL600 returns to use after four years parked, with ADS and charging-system repairs followed by winter restoration and an owner-reported 330-mile trip.
Kaewen's C180 CGI engine air filter replacement account, with all 16 work photos in source order: filter location and preparation, opening the housing, fitting the filter, cleaning and reassembly.
An owner's illustrated record of replacing the engine air filters on a 2009 Carrera, including removing the housing cover and filter screws, taking out the old filters and fitting replacements.