C350e owners club

[JAT350e]

Hi Guys,

I had the "Yellow Engine Warning Light" On this weekend. I took it to the dealer and there is an Engine, Gearbox and AC SW update. The issue was a temperature sensor bug which is fixed in the SW release. Its a lot smoother now and quicker.

It took the dealer 4 hours and the SW release must have come out recently as the car was in the dealer just 2 weeks ago for a boot motor fix.

 

[Dodgy]

That seems reasonable, was the fuel tank full at start / empty at the end or could have continued driving further?

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Full at the start and the low fuel warning came on about 10 miles before reaching home. In theory, that means about 30 miles of range left, but I'd be surprised if it wasn't at least 50 miles in reality.

I could have charged a couple of times whilst away, so that would have given me something like 25 miles extra of petrol-free range and bumped the economy up to about 50mpg. Shame I forgot to pack the cable in the rush to get away...

EDIT: and as you can see from the photo, there were a few electrons left in the battery thanks to e-mode inexplicably being unavailable when I tried to switch from hybrid with a couple of miles to go.

 

[Dodgy]

Hi Guys,

I had the "Yellow Engine Warning Light" On this weekend. I took it to the dealer and there is an Engine, Gearbox and AC SW update. The issue was a temperature sensor bug which is fixed in the SW release. Its a lot smoother now and quicker.

It took the dealer 4 hours and the SW release must have come out recently as the car was in the dealer just 2 weeks ago for a boot motor fix.

Lovely! It's a good job this is a simple car with so little to go wrong.

My first service is in June. I wonder whether they will automatically do the software update and anything like the charging cables (although it's possible mine were done before it was delivered). I think I might give them a nudge when I book it in...

 

[TheCorm]

My first service is next week, coming up on 1 year of ownership, gone so fast!

Here are some stats from my Fuel Log Android App:

Best Fuel Consumption: 110.83mpg(e)
Average Fuel Consumption: 77.3mpg(e)
Worst Fuel Consumption: 47.61mpg(e)

Average Costs Per mile (including electric I pay for so not work or free charge points): 9p
Average Fuel costs per mile (so excluding electric): 7p

That's over about 10k miles, 18 visits to the petrol station (number 19 due in a few days).

If you compare it to my 1.6 diesel Civic which I had for 3 years that cost the same per mile including electric!.... and averaged 60.51mpg.

That of course was 0-60 in just over 10 seconds not 6

Jamie

 

[TheCorm]

I've forgotten how to reset the electric distance indicator....which screen do I reset, the trip one doesn't seem to change it, just it's always saying 11 or 12 miles because it's based on winter history I think?

 

[mknight1701]

Nice..... delivery in mine still June... I'm going stir crazy!

I know the feeling. Ordered in Oct but got an update to say it's been shipped. So close!


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[Dodgy]

I've forgotten how to reset the electric distance indicator....which screen do I reset, the trip one doesn't seem to change it, just it's always saying 11 or 12 miles because it's based on winter history I think?

Drive like a maniac?

I thought it was completely automated...

 

[derekthetree]

Hi Guys,

I had the "Yellow Engine Warning Light" On this weekend. I took it to the dealer and there is an Engine, Gearbox and AC SW update. The issue was a temperature sensor bug which is fixed in the SW release. Its a lot smoother now and quicker.

It took the dealer 4 hours and the SW release must have come out recently as the car was in the dealer just 2 weeks ago for a boot motor fix.

Good to know, mine had a yellow light a few weeks ago, not really fixed and it's in tomorrow

 

[CaptainChaos]

When is 100% not 100%?

I've noticed this a few times. The car and web app say 100% charge, but yet there is still time left on my charge. If you look at this screen shot, there's another ten minutes left to complete the charge, even though it says it's at 100%. I think these are the instances where you set off and you are at 95% before the end of your drive.

 

[CaptainChaos]

I've forgotten how to reset the electric distance indicator....which screen do I reset, the trip one doesn't seem to change it, just it's always saying 11 or 12 miles because it's based on winter history I think?

I don't think you can. I thought it was a trip meter based on previous journeys?

 

[Dodgy]

I've noticed this a few times. The car and web app say 100% charge, but yet there is still time left on my charge. If you look at this screen shot, there's another ten minutes left to complete the charge, even though it says it's at 100%. I think these are the instances where you set off and you are at 95% before the end of your drive.

I don't know much about the Merc's battery, but a lot of EV batteries have a massive "taper" on the charging. I've seen posts from people saying something like: charging from 10% to 80% took 20 minutes and 20% to 100% took 20 minutes, including a long time for the last 1%. Maybe this is similar? That only works if 100% is really 100% - some EV batteries might only charge to 90% to extend the life of the battery.

EDIT: I think the B250e is an example of a car that doesn't charge to 100% unless you specifically ask it to...

 

[Deleted member 126969]

When I looked at the 330e the sales guy was refreshingly honest about the way the battery is used. I forget the exact numbers, but he said it never charges to full capacity nor discharges to zero. Of course, that's more significant when the battery is small like the ones in the 330e and the C350e

Shame they didn't 'do a Tesla' and give us a bigger battery but publish it smaller. The S60 has a 75kWh battery so can tolerate "100%" charges no bother.

 

[Dodgy]

When I looked at the 330e the sales guy was refreshingly honest about the way the battery is used. I forget the exact numbers, but he said it never charges to full capacity nor discharges to zero. Of course, that's more significant when the battery is small like the ones in the 330e and the C350e

Shame they didn't 'do a Tesla' and give us a bigger battery but publish it smaller. The S60 has a 75kWh battery so can tolerate "100%" charges no bother.

A sales guy knew how the battery works? Wow! From what I hear, it's not common for the mechanics to know how the battery works. The sales people rarely know anything.

 

[Deleted member 126969]

A sales guy knew how the battery works? Wow! From what I hear, it's not common for the mechanics to know how the battery works. The sales people rarely know anything.

I know! He was a young guy and seemed genuinely interested in the product. Knowledgeable too. Actually, thinking back, he was really pretty good. Helpful but not pushy.

 

[TheCorm]

I don't know much about the Merc's battery, but a lot of EV batteries have a massive "taper" on the charging. I've seen posts from people saying something like: charging from 10% to 80% took 20 minutes and 20% to 100% took 20 minutes, including a long time for the last 1%. Maybe this is similar? That only works if 100% is really 100% - some EV batteries might only charge to 90% to extend the life of the battery.

EDIT: I think the B250e is an example of a car that doesn't charge to 100% unless you specifically ask it to...

I've noticed similar things to this, I also have instances where I get the email saying it's fully charged but look at the smart meter and the car is still pulling 1.8kw (set to 8A charge).

 

[TheCorm]

I don't think you can. I thought it was a trip meter based on previous journeys?

I remember resetting it last year and it changing from 14 to 17 miles, i'm sure a few others discussed it here but am stumped.

It does seem to be on past journeys and doesn't factor in the outside temp, which feels like it should.

 

[Dodgy]

I remember resetting it last year and it changing from 14 to 17 miles, i'm sure a few others discussed it here but am stumped.

It does seem to be on past journeys and doesn't factor in the outside temp, which feels like it should.

Mine has been ridiculously optimistic all winter. I'm looking forward to actually achieving the prediction.

 

[CaptainChaos]

My understanding was it worked like any range trip computer. i.e. it can only work on past and current information. It can't predict the future.

If you are bumbling along at 30 in a petrol car and it says 100 miles range, then you start racing around a track, you will find you have run out of petrol within 50 miles.

Our electrorange is just the same. If you had 10 miles electric and you were able to coast downhill for a long time before you parked up and charged, you would probably find your range was up to 14 the next day.

I only really look at the % charge, and not the range as it's gibberish. I can leave home with 12 miles showing, drive 8 miles to work, and I've got 8 miles left. Or maybe 6. Or sometimes 9! What's more useful is knowing I've got 70% left.

 

[TheCorm]

Mine currently sitting around 11, got 13 miles engine off on my 19.5 mile commute today. Looking forward to a bit warmer and seeing 99.9MPG for the journey (or an accurate figure in the Android App!)

 

[Dodgy]

Mine currently sitting around 11, got 13 miles engine off on my 19.5 mile commute today. Looking forward to a bit warmer and seeing 99.9MPG for the journey (or an accurate figure in the Android App!)

I'd forgotten about the engine off stat. I think that's because I know it counts coasting and braking time. My previous diesel car would have used no fuel coasting or braking, because the engine would be turned by the car's momentum. Counting it as "bonus miles" seems a bit over the top.

Even though I'd prefer the car to use no petrol at all, I often make sure the engine comes on for a short stretch of accelerating uphill near home that I need to do quite often. It feels like I could easily use over a mile of electric range on that 200-300 yard stretch, but I have no idea whether using the engine for this is a good thing from an efficiency or environmental perspective.