She also claimed to know nothing about the extended warranty though. And has also contacted Mercedes directly and state that they looked at my car as a gesture of good will.
I'm gonna fire off an email to head office to try and seek clarity on this, I know everyone talks about the extended hybrid system warranty but getting merc to accept this may be the next challenge
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May as well post the official response again, including the snotty and unhelpful sentence at the end. The link MB provided for me to obtain "the right information" led precisely nowhere beyond endless loops giving no useful information whatsoever. If anyone can find a copy of the hybrid battery warranty online, I'd love to see the link....
Clearly, they didn't like being challenged - the arrogance of the response is typical of my experience of MB. Also of note, MB took as long as they possibly could before responding to the Ombudsman - right up to the wire.
This is a direct and unmodified quote (apart from me redacting my surname) from the response I got via the Ombudsman.
"What The Business Says
Thank you for your patience whilst I have investigated Mr S’s concerns.
I can confirm that during the Plug-In Warranty Period, the Battery Certificate covers any technical malfunction of the associated plug in components (electric machine and power electronics) arising from an inherent manufacturing fault. I would advise Mr S that this information is readily accessible within the ‘Owners Area’ on our website www.mercedes-benz.co.uk, along with further information on the Mercedes-Benz Cars UK Limited Battery Certificate for Plug-In Hybrid and Electric Drive Vehicles equipped with High Voltage Batteries (also attached).
I would recommend that moving forward, the customer ensures all information sourced on his vehicle and any future purchases are sourced directly from Mercedes-Benz UK Ltd. rather than online forums or other online sources."
I also obtained formal written clarification on what "electric machine and power electronics" means - it's the actual electric drive motor, the inverter/power delivery module and the charger.
I don't know if it's freely available or not, but the Ombudsman case reference was 00047036/New Car [ ref:_00D24q5e1._5001p2OlxhV]
What really puzzled me though, the response from the Ombudsman said they couldn't find in my favour, because what I was asking had been answered.....but all the correspondence with MB leading up to my application to the Ombudsman had told a different story - initially they insisted the Hybrid warranty only covered the battery, then the power electronics and battery but would never include the 'electric machine', hence my opening the case with the Ombudsman.
Ultimately, I honestly don't know if it was a case of the folk I was talking to via the official MB support contact simply didn't know WTF they were talking about, or the case made MB change their tune on the sly and pretend it had always been covered.
For absolute clarity, the 'battery certificate' I was given makes absolutely zero mention of anything but the battery.....which was what started the whole affair, as I'd based my buying decision in part on the understanding (based on seeing the infamous 'internal document') that the entire hybrid system was covered for 6 years/63000 miles. Bear in mind, the 'internal document' was used to train sales staff, so I don't think it is at all unreasonable to expect a salesperson would then pass the information on to a potential customer to influence their purchase decision.
This whole thing just added to the bad taste associated with my purchase of this car. As before, I freely admit I didn't do my homework and should never have bought it.