Hello everyone. I have a question regarding AMG E-Performance models and the optimal way to run-in or break-in the engine.

I've searched around the internet/forum and can't find anything specific to the E-P models.

I know how to run-in an engine. There’s even window stickers with instructions on most AMG models. However, the E-P models have the same sticker, and there’s no specific info in the manual for E-P models.

With that being said, my concern is that the E-P models start in full electric while in comfort mode. Say I’m leaving my house towards the freeway and the cars in comfort mode using the electric motor, then I merge onto the freeway the engine comes on due to power demand and the coolant and oil are cold!

It's recommended that during run-in you leave the car in comfort. While in comfort the car automatically starts in electric and also constantly turns the engine off and on during regular driving for fuel efficiency. Wouldn't this be bad, having the engine constantly turning off and on during the run-in period?

To my knowledge the only way to have the engine stay on is to have the car in sport mode which is not recommended due to holding gears in higher RPM. Another way is to have it in battery hold which means the battery pack wound be at 100% during the entire run-in, not good for Li-ion from what I’ve read.

Does anyone have experience with running-in an E-P model? What steps did you take? What advice or instructions were you given?

My E-P model (GT63SE 4Door) is arriving early May and I want to be sure I do the run-in correctly. It’s an expensive vehicle with arguably way too much tech, I’d like to do everything possible to get years of hassle free driving.

My AMG salesman is one of the “drive it like you stole it” types which I don't agree with lol.

Hoping someone here has some info or experience to help me out. Thank you!!

PS I’ve attached the spec I went with, pics are from the configurator.

I don't have an answer to your question but great spec though.

Thanks Brother!

i’ve owned a GT63SE for almost 1 and a half years now and this is my routine for it. Get it outside the garage on comfort (electric) then put it in Park and start it in Sport mode and let it run for about 2-3 minutes then drive it in sport until everything is at its optimal temperature and only then i switch it to comfort. (or you can just configure the individual settings everything on comfort except the engine so it doesn’t turn off)

Curious...How come you don't just drive it immediately after putting it in sport, idling a cold engine is bad, no?

Because when i put it in Sport it starts the engine for the first time so i let it drop to idle rpms basically i let it do its cold start then leave .

I understand but isn't 2 minutes a little excessive? I mean there is a risk of fuel getting into the engine oil (I heard).

Thanks for the reply! I assume that’s how you did it from day one with the vehicle? Do you feel the engine was properly run-in? Lastly have you had any issues, mechanical, electrical, or otherwise over the year and a half you’ve had the vehicle??
Cheers!

I’m going to bring this thread back from the dead to ask another question that I hope some members might have some insight or thoughts on.
The general consensus is to drive the vehicle like you would any other AMG to break the engine in. My second question/thought is: The recommended mode when breaking in is comfort, but while in comfort mode the hybrid system kicks the engine off and on during normal driving. If 1500KM/1000Miles is the break in threshold, how do you know the engine actually has the required KM/Miles as opposed to the vehicle itself??

Forum member superswiss covered this topic before in a different thread, the problem is, the answer is we don't know. Since the car logs the mileage in electric only mode obviously, maybe there is a way to check in XENTRY on how many miles are pure ICE.

Problem is, we also couldn't find it, maybe we missed something.

Well I got the car and it’s insane. Problem is all the theories and ideas we had didn’t pan out. It REALLY wants to kick that engine off and use the motor.
The only mode that constantly used the engine, other than the not recommended sports modes, was wet/snow. It always uses the engine, dulls all the inputs down so you can’t really floor it and has traction control on high alert.
Seems like the perfect mode for breaking in an E-Performance model!!
Can anyone think of a downside to using this mode? Like does it lock the torque 25% to each wheel, so it’s bad turning on dry surfaces or something like that?!?
Let me know what you think!!

Here’s some pics.

I believe it constantly sends more power to the front in Slippery mode. Not necessarily what the front diff clutch is designed for. It's meant to primarily be RWD and only send power to the front when traction requirements call for it. The rear e-diff will lock and unlock as needed based on traction, steering angle etc. in all modes. It might pre-lock from a standstill in Slippery mode as it does if you use Race Start in anticipation of having to provide full traction right off the line when it's slippery. Not necessarily a bad thing. If it does it, it will also only do it if the front wheels are straight, otherwise it can at most lock partially to allow for the car to turn.

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