Hybrid gearbox problems
Member
Joined: Apr 2015
Posts: 179
Likes: 2
From: BELGIUM
2015, W205, C 220 BlueTEC AMG Line
I drove several W205 (Diesel, Petrol, Hybrid), including mine, and they all shift rather well.
Indeed, this is more/less tied to driving styles. The car learns from the driver (over time, and throughout a given session).
I deliberately put it in S+/shift manual or I* (sporty/manual), if I want to do a quick/aggressive run.
I drive mostly in C, and occasionally use the pedals to correct the behaviour of the selected gear.
I frequently use cruise control, at different speeds.
In Diesel/Hybrid, 2nd gear should come at 2K RPM, 3rd comes also around 2 -2.5K. If you drive constantly at let’s say 50-60 km/h, the car should put itself into 4th or 5th (eventually).
Depending on the road, the both diesel/hybrid models may start at 2nd.
Hybrids, by the time the engine kicks in, 2nd or 3rd may be selected.
Accelerating progressively and anticipating traffic/stops is an excellent way to teach the car, if you want to master this, and calibrate the TCU at the same time, use the ECO display – it guides you to drive the way MB thinks it’s best for the car.
Hybrids calibration can be done by driving, efficiently, without the assistance of the electric motor, for a couple of days at variable speeds.
Indeed, this is more/less tied to driving styles. The car learns from the driver (over time, and throughout a given session).
I deliberately put it in S+/shift manual or I* (sporty/manual), if I want to do a quick/aggressive run.
I drive mostly in C, and occasionally use the pedals to correct the behaviour of the selected gear.
I frequently use cruise control, at different speeds.
In Diesel/Hybrid, 2nd gear should come at 2K RPM, 3rd comes also around 2 -2.5K. If you drive constantly at let’s say 50-60 km/h, the car should put itself into 4th or 5th (eventually).
Depending on the road, the both diesel/hybrid models may start at 2nd.
Hybrids, by the time the engine kicks in, 2nd or 3rd may be selected.
Accelerating progressively and anticipating traffic/stops is an excellent way to teach the car, if you want to master this, and calibrate the TCU at the same time, use the ECO display – it guides you to drive the way MB thinks it’s best for the car.
Hybrids calibration can be done by driving, efficiently, without the assistance of the electric motor, for a couple of days at variable speeds.
MBWorld Fanatic!
Joined: Jan 2015
Posts: 2,075
Likes: 59
From: Manchester, UK
BMW e89 Z4 sDrive 35i & MB S205 C200 AMG Premium Plus
Well if they learn, mine's learned how to **** me off! Just driving up a hill results in jerky/snapping shifts from D1 to D2 to D3 never mind the cold running D2 to D3 head bobbing, rev flaring change I get every morning.
Junior Member
Joined: Oct 2014
Posts: 48
Likes: 0
From: England
W205 C300 Hybrid AMG Line
Okay looks like I spoke too soon. The gearbox has gone back to the way it was with the extremely poor shift from 1st to 2nd and the others being slower than usual and clunking on the downshift. Noticed this Monday last week. Traffic updates are also intermittent. Back to the dealer...
As soon as I drove out the dealer the jerk had gone however it definitely didn't feel as crisp as it did after the first time I took it back to the dealer. Sure enough a couple of weeks later the jerk was back.
It's now with the dealer again and I'm told that Mercedes have informed them to take out the sump and also order in a new gearbox control unit which is being fitted today.
As an aside I've been in an E220d loaner since last Friday and the gearbox is SO much better. Upshifts are instant and almost dual clutch like, yet this is not a DCT box. As has been mentioned hopefully with some more updates to the software Mercedes will bring the W205 up to scratch. Have to question though, if they perfected the same box on other vehicles, why can't this one take on board all of the learnings from the previous vehicles?
I'll update once I hear more info
Junior Member
Joined: Oct 2014
Posts: 48
Likes: 0
From: England
W205 C300 Hybrid AMG Line
I drove several W205 (Diesel, Petrol, Hybrid), including mine, and they all shift rather well.
Indeed, this is more/less tied to driving styles. The car learns from the driver (over time, and throughout a given session).
I deliberately put it in S+/shift manual or I* (sporty/manual), if I want to do a quick/aggressive run.
I drive mostly in C, and occasionally use the pedals to correct the behaviour of the selected gear.
I frequently use cruise control, at different speeds.
In Diesel/Hybrid, 2nd gear should come at 2K RPM, 3rd comes also around 2 -2.5K. If you drive constantly at let’s say 50-60 km/h, the car should put itself into 4th or 5th (eventually).
Depending on the road, the both diesel/hybrid models may start at 2nd.
Hybrids, by the time the engine kicks in, 2nd or 3rd may be selected.
Accelerating progressively and anticipating traffic/stops is an excellent way to teach the car, if you want to master this, and calibrate the TCU at the same time, use the ECO display – it guides you to drive the way MB thinks it’s best for the car.
Hybrids calibration can be done by driving, efficiently, without the assistance of the electric motor, for a couple of days at variable speeds.
Indeed, this is more/less tied to driving styles. The car learns from the driver (over time, and throughout a given session).
I deliberately put it in S+/shift manual or I* (sporty/manual), if I want to do a quick/aggressive run.
I drive mostly in C, and occasionally use the pedals to correct the behaviour of the selected gear.
I frequently use cruise control, at different speeds.
In Diesel/Hybrid, 2nd gear should come at 2K RPM, 3rd comes also around 2 -2.5K. If you drive constantly at let’s say 50-60 km/h, the car should put itself into 4th or 5th (eventually).
Depending on the road, the both diesel/hybrid models may start at 2nd.
Hybrids, by the time the engine kicks in, 2nd or 3rd may be selected.
Accelerating progressively and anticipating traffic/stops is an excellent way to teach the car, if you want to master this, and calibrate the TCU at the same time, use the ECO display – it guides you to drive the way MB thinks it’s best for the car.
Hybrids calibration can be done by driving, efficiently, without the assistance of the electric motor, for a couple of days at variable speeds.
Surely the gearbox can't learn itself to shift poor?
Junior Member
Joined: Sep 2015
Posts: 56
Likes: 0
From: Antrim, Northern Ireland
C300 diesel hybrid
Guys, any update on your transmission problems and software updates from your dealers?
I picked up a C300 hybrid last weekend from Teeside; it was a demo run for three months. Overall happy with one exception. Seems I have the exact same or a variation of the second gear shift problem. It doesn't matter if I'm in electric mode coasting or diesel mode using the paddles. The shift up or down to second gear is really abrupt, noticeable to all passengers which I think MB should be embarrassed about on a 40 grand car. I have booked it in the the local dealer but unfortunately I'm travelling so won't be until October. Hopefully MB will have a TCU update by then.
I picked up a C300 hybrid last weekend from Teeside; it was a demo run for three months. Overall happy with one exception. Seems I have the exact same or a variation of the second gear shift problem. It doesn't matter if I'm in electric mode coasting or diesel mode using the paddles. The shift up or down to second gear is really abrupt, noticeable to all passengers which I think MB should be embarrassed about on a 40 grand car. I have booked it in the the local dealer but unfortunately I'm travelling so won't be until October. Hopefully MB will have a TCU update by then.
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