Will 400V charging capability affect a car's efficiency and performance?
When the 800V electric Merc CLA250+ becomes available with 400V charging capability, will it come with compromises in terms of the cars efficiency and performance?
Asked on 25 February 2026 by redsalmon
Answered by
Matt Robinson
We asked Mercedes about 400-volt charging capability when we were at the UK launch of the car last year. 400-volt capability will be available as an option extra and as far as we know, it will have no effect on the car's existing 800-volt charging capability, nor its efficiency and performance. It won't be possible to retrofit this on already built CLA EQs, it's worth noting.
Tags:
electric cars
If you cover no more than 100 miles per day and have easy access to a charging point at home or work, then an EV is ideal for you.
Is an electric car right for me?Similar questions
I recently crossed a ford in my Mitsubishi Outlander PHEV. I am aware of procedure in manual car. What advice can you give for automatics, hybrids and electric vehicles?
I took delivery of a new MG EV4 Long Range Trophy on the 29th of April. They were only able to charge it to about 100 miles due to various problems at the dealership. I drove it for about 22 miles and...
I currently drive a 2018 E 220d and would like to replace it with an EV saloon. Unfortunately everything I’ve taken for a test drive seems to have a hard fidgety filling rattling suspension set up. Can...
Related models
Highly impressive range and efficiency. Comfort-focused ride. More personality than Merc's standalone EQ models.
Elsewhere on 
