Swirl Motor Failure (3.0 CRD)
SeriousEngineOil leaks from the turbocharger intake pipe can drip directly onto the swirl flap motor located in the "V" of the engine, causing it to short out and put the car into limp mode.
The 2008 facelift brought a refreshed exterior with new grille and lights, a much-improved interior with soft-touch materials, and the addition of an SRT-Design diesel variant. The 3.5-litre V6 petrol was dropped from the range.
Oil leaks from the turbocharger intake pipe can drip directly onto the swirl flap motor located in the "V" of the engine, causing it to short out and put the car into limp mode.
The 300C is a very heavy car, and its suspension components (derived from the Mercedes W211) take a beating on UK roads. Ball joints and control arm bushes often last less than 40,000 miles.
The alternator is prone to premature failure, often caused by diesel fuel dripping onto it from cracking rubber fuel hoses. The earth cable can also corrode, leaving the car unable to start.