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    Merc C350e Charging Costs and Wall Charger Installation

    My company car was recently replaced, got a merc C350e when the 320d went back. Great car, especially the initial thrust on electric start, just wish the battery had a bit more juice (16 miles range per charge), still serves all my short journeys.
    I'm using the normal wall socket in my garage now to charge nearly every other day (have the home adapter and cable that came with the package).
    Does anyone actually knows how much the C350e costs per full charge? I've economy 7 tariff with npower (probably not on the cheapest tariff).
    Secondly, I do want to fit a wall charger for easy access (and peak/off-peak charge settings using the merc mobile app). What is the best option in terms of equipment? Being a company car, I certainly don't want to invest too much, a cheap and cheerful option would be great. Can it be DIY?
    Thirdly, are there any local installers in Coventry who can do the job decently?
    Thanks.

    11 Comments

    I have a BMW 330e and you can get a proper wall charger fitted for about £149 which is the price after a £500 grant, check Rolec. You might need a fast charger cable which is about another £150 but this will mean you can use public charging points. You can get a charge your car card for free for 12 months which is for the public car parks. You can use an app on BMW to tell it when to charge to use cheap night time rates on economy 7. Hope that helps a bit

    As above. But as it only charges at 16A you might as well just carry on at your 13A as it only saves you 15mins which makes no difference when night charging.

    If you intend to continue with EV's in the future then 32A home charger will future proof you to a degree.

    not sure why it costs for a full charge bug simple enough to work out if u know ur tariff and how many kwhs a full charge is

    It looks like the C350e has a battery capacity of 6.2kWh so the cost for a complete charge is your price per kilowatt hour times six point two. It may be slightly less than that if that capacity is the total capacity including reserves rather than the available capacity.

    It is a small capacity even for a plug-in hybrid, most are around 9-10kWh with pure electric cars around 25kWh.

    In terms of charging points they're heavily subsidised right now so a DIY job would probably work out more expensive. There are quite a few models available, so pick whichever looks nicest to you. They come in two types. Tethered with a built in cable and socketed that uses the same cable you use for public charging points.

    For some bizzare reason the electric car industry has agreed on a single standard for electricity type, safety interlocks and so on but ended up with two different physical connectors. So European manufacturers are mostly going with the Type 2 while Japanese and American manufacturers are going with the Type 1. The standard doesn't allow the use of adapters but does allow cables with different ends so a tethered point can only charge an electric car with a matching connector but a socketed point can charge any electric car.

    So unless vandalism/theft is a problem it's most sensible to go for a socketed charging point (and optionally buy a second cable if you don't want to get the one out of the boot when you get home).

    Original Poster

    Spenfica

    I have a BMW 330e and you can get a proper wall charger fitted for about … I have a BMW 330e and you can get a proper wall charger fitted for about £149 which is the price after a £500 grant, check Rolec. You might need a fast charger cable which is about another £150 but this will mean you can use public charging points. You can get a charge your car card for free for 12 months which is for the public car parks. You can use an app on BMW to tell it when to charge to use cheap night time rates on economy 7. Hope that helps a bit


    Thanks, that looks reasonable, will look into further. I have signed up for Polar Charging card (6 months free and then £7 per month), yet to use it though. Who's the provider for 12 months free service?

    Original Poster

    GAVINLEWISHUKD

    As above. But as it only charges at 16A you might as well just carry on … As above. But as it only charges at 16A you might as well just carry on at your 13A as it only saves you 15mins which makes no difference when night charging. If you intend to continue with EV's in the future then 32A home charger will future proof you to a degree.


    Thanks, I do have the 16A cable which is kept in the car, in addition to the small cable and adapter for home plug.

    Original Poster

    EndlessWaves

    It looks like the C350e has a battery capacity of 6.2kWh so the cost for … It looks like the C350e has a battery capacity of 6.2kWh so the cost for a complete charge is your price per kilowatt hour times six point two. It may be slightly less than that if that capacity is the total capacity including reserves rather than the available capacity.It is a small capacity even for a plug-in hybrid, most are around 9-10kWh with pure electric cars around 25kWh. In terms of charging points they're heavily subsidised right now so a DIY job would probably work out more expensive. There are quite a few models available, so pick whichever looks nicest to you. They come in two types. Tethered with a built in cable and socketed that uses the same cable you use for public charging points.For some bizzare reason the electric car industry has agreed on a single standard for electricity type, safety interlocks and so on but ended up with two different physical connectors. So European manufacturers are mostly going with the Type 2 while Japanese and American manufacturers are going with the Type 1. The standard doesn't allow the use of adapters but does allow cables with different ends so a tethered point can only charge an electric car with a matching connector but a socketed point can charge any electric car. So unless vandalism/theft is a problem it's most sensible to go for a socketed charging point (and optionally buy a second cable if you don't want to get the one out of the boot when you get home).


    Thanks, insightful. Charging works out at £1.17 for a full charge during the day and about 40p during night off-peak (not using since I'll need to leave the garage door open). Agree the electric range isn't great, does need a recharge after almost every short trip. Drive is quite smooth though, after switching from the diesel BMW. Will look into the socket charging point.

    If its a company car, why are you using your own electricity at all?

    Charge Your Car is the web name and I got the card free for 12 months through the charge point installer Rolec. Newcastle City Council use Charge your car points in local council car parks so might be worth checking their coverage near you first

    Original Poster

    Spenfica

    Charge Your Car is the web name and I got the card free for 12 months … Charge Your Car is the web name and I got the card free for 12 months through the charge point installer Rolec. Newcastle City Council use Charge your car points in local council car parks so might be worth checking their coverage near you first



    ​thanks, saw that they still do 12 months CYC free. looks like a nice incentive.

    Original Poster

    jb66

    If its a company car, why are you using your own electricity at all?


    I haven't opted for a fuel card, don't do that many miles to justify the BIK on fuel card. Another reason for going with a petrol hybrid.
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