vs
Battery Tesla or OEM Mercedes
Reviews
I had a 12v battery give me a low voltage warning and they just came around and changed it.
Pros: easy replacement
Cons: low voltage warning
the only time it failed me was when the battery died after 100k miles.
Pros: reliable
Cons: battery failure
Mileage: 103000 km
It's a Tesla thing.
Tesla doesn't keep a buffer zone at the top end of the battery. 100% means 100% in a Tesla. Tesla advises to only use 100% when you need the extra range.
Pros: 100% means 100%
Cons: no buffer zone
Vehicle:
BMW
My tesla model y recommendation is 90%. I know lfp batteries are recommended to do 100% at least weekly. We do 90% but drive the car about 100 miles every work day so it doesn't even sit at 90% for very long, maybe 3-4 hours.
I have a ‘21 (Dec 2020) M3 LR AWD w/19”. I’ve put 52K miles on it so far. Generally speaking, I’ve seen very little degradation.
Pros: very little degradation
Cons: range overly optimistic
Mileage: 52000 km
I bought a used 2019 LR in 2020 and my estimated range is 302 miles with 48k miles.
Pros: 302 miles range
Mileage: 48000 km
My 2019 M3 with 50K miles says 288 miles today (310 original) but it has been far lower at times (255 miles) and bounces around.
Pros: 288 miles today
Cons: bounces around
Mileage: 50000 km
All Teslas lose about 10% of their range in their first year. And then it levels off considerably after that.
Pros: levels off considerably
Cons: 10% range loss
The batteries Mercedes uses seem to be really poor quality. I have a daily class and it seems they are changing the battery every 1.5 years so far on average…
Cons: poor quality, frequent replacement needed
I've dealt with this issue on both of my newer AMG vehicles. My older ones never had this problem. From my understanding, this is caused by the new mbux system being a bit of a power hog. I eventually had to invest in a trickle charger, and I have to charge both of my AMGs 3-4 times per year. It gets worse as your battery gets toward the end of its lifespan.
Cons: power hog, frequent charging needed, issue worsens
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