glowplug

Looking for some advice guys. C220 D 2014 67k miles Owned for 4 years.- Was on a long drive (150 miles) sensible drive nice and smooth motorway. Suddenly noticed the car was 'loosing power' which I now realise is the limp mode. Nothing else wrong with the car at this point, engine runs fine...

Looking to replace my glowplugs but there are two listed for my 1994 OM604.910 engined non-turbo C220D W202.121. The Delphi part numbers are HDS363 and HDS354 as listed on delphicat.com. The HDS363 appears to be identical to the HDS354 apart from being a little longer (120 vs 114mm) and it heats...