Whats wrong with (real) Nissan engines. The 2.0 ltr petrol in my old primera was superb. Powerful quiet and above all reliable. Same could be said for 1.6 in almera-perhaps not powerful!

Mercedes A class uses the Renault 1.5 Dci engine. Given that MB have been in the passenger car diesel business longer than anyone else (since 1936) should say something about the quality of Renault diesel engines.

Anyone remember Mazda DPF regen issues??

Let's not resort to clicheed old tropes about manufacturer hierarchy, eh?

NIssan engines are not solely Nissans anymore as they use Renault parts, hence the whole issue with their timing chains.

Timing chains are best mated to on cam-in-block engine configurations, and, (in spite of what HJ says) should be consigned to history for OHC configurations.