4Matic 2016
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Joined: Nov 2015
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GLC 250D
4Matic 2016
So I tried getting info on 4Matic in its current functionality but the info on the web is old.
My SA said that the 4Matic now is not permanent AWD and that the car is mostly driving as a RWD until there is loss of traction and then the AWD kicks in. This could happen on or off road.
Please advise
My SA said that the 4Matic now is not permanent AWD and that the car is mostly driving as a RWD until there is loss of traction and then the AWD kicks in. This could happen on or off road.
Please advise
Newbie
Joined: Jan 2016
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From: New Kent VA
07 MINI Cooper S
From MB USA website:
4MATIC all-wheel drive
Standard
In any season, on any road, 4MATIC® all-wheel drive adds to your confidence and control. Always engaged and optimizing torque to every wheel, 4MATIC integrates with ESP®, our standard Electronic Stability Program, for maximum effectiveness in corners and slippery conditions. It also incorporates our 4-wheel Electronic Traction System (4-ETS®), which monitors for the first sign of wheel slip and responds to ensure torque is sent to the wheels with the best grip, even if that's only one wheel. (Disclaimer)
4MATIC all-wheel drive
Standard
In any season, on any road, 4MATIC® all-wheel drive adds to your confidence and control. Always engaged and optimizing torque to every wheel, 4MATIC integrates with ESP®, our standard Electronic Stability Program, for maximum effectiveness in corners and slippery conditions. It also incorporates our 4-wheel Electronic Traction System (4-ETS®), which monitors for the first sign of wheel slip and responds to ensure torque is sent to the wheels with the best grip, even if that's only one wheel. (Disclaimer)
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From: Pacific NW
2016 GLC 300 4, 2014 Nissan Leaf
and more from MB:
Under normal conditions, the compact, lightweight system channels the engine's torque to the front and rear wheels through a center differential, for sporty balance and agile handling. When traction demands change, 4MATIC reacts instantly and expertly to maximize control. By sending power to the wheels that can use it best, it helps you feel a rewarding sense of confidence in any season.
Under normal conditions, the compact, lightweight system channels the engine's torque to the front and rear wheels through a center differential, for sporty balance and agile handling. When traction demands change, 4MATIC reacts instantly and expertly to maximize control. By sending power to the wheels that can use it best, it helps you feel a rewarding sense of confidence in any season.
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Joined: Sep 2005
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From: Melbourne, Australia
GLE 350D GLC 250D, Previous vehicles W204, W164, W163, W210 & W202
The 4matic are permanent all wheel drive but the torque split varies dependant on the particular model, for example the 250 diesel has as 69% rear 31% front torque split while the petrol and 220 diesel run a 50% Front 50% rear torque split.
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GLC 250D
Originally Posted by Donnnn
I as told on the GLC is was normally 55% rear
But at cruising speed on a flat hi way road with good traction will the ratio change to more than 55%?
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Perhaps they unlink the front at highway speeds for better mileage.
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Newbie
Joined: Jan 2016
Posts: 14
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From: New Kent VA
07 MINI Cooper S
If the front wheels were not engaged, it could not sense if they have any traction. So then if the rear lost traction it would it not know where to send the torque.
Believe the website, "always engaged".
Believe the website, "always engaged".
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Let me try to clarify - for US GLC 4matic models - yes - the torque distribution is 45/55 front-rear - and YES it is "all-time-all-wheel-drive" 4matic - using the 9G transmission - using a multi-clutch center differential vrs the transfer case used in 7G/7G+ 4matics.
That 9G 45/55 split for 4matic/All-Wheel-Drive in other models - such as the GLE450 Coupe - is sometimes termed "Sport All Wheel Drive".
My personal impression - a bit more torque to the rear gives a more "impressive feel" under firm acceleration.
I would "guess" where the confusion came in - Mercedes also call the "on-deman-all-wheel-drive" for the GLA/CLA models "4matic" - however on this FWD platform - the rear traction is kicked in "on demand" - similar to several of the Japanese "AWD" systems.
Hope this helps - keep the beat !
That 9G 45/55 split for 4matic/All-Wheel-Drive in other models - such as the GLE450 Coupe - is sometimes termed "Sport All Wheel Drive".
My personal impression - a bit more torque to the rear gives a more "impressive feel" under firm acceleration.
I would "guess" where the confusion came in - Mercedes also call the "on-deman-all-wheel-drive" for the GLA/CLA models "4matic" - however on this FWD platform - the rear traction is kicked in "on demand" - similar to several of the Japanese "AWD" systems.
Hope this helps - keep the beat !
Thread Starter
Member
Joined: Nov 2015
Posts: 196
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GLC 250D
Originally Posted by fabbrisd1
Let me try to clarify - for US GLC 4matic models - yes - the torque distribution is 45/55 front-rear - and YES it is "all-time-all-wheel-drive" 4matic - using the 9G transmission - using a multi-clutch center differential vrs the transfer case used in 7G/7G+ 4matics.
That 9G 45/55 split for 4matic/All-Wheel-Drive in other models - such as the GLE450 Coupe - is sometimes termed "Sport All Wheel Drive".
My personal impression - a bit more torque to the rear gives a more "impressive feel" under firm acceleration.
I would "guess" where the confusion came in - Mercedes also call the "on-deman-all-wheel-drive" for the GLA/CLA models "4matic" - however on this FWD platform - the rear traction is kicked in "on demand" - similar to several of the Japanese "AWD" systems.
Hope this helps - keep the beat !
That 9G 45/55 split for 4matic/All-Wheel-Drive in other models - such as the GLE450 Coupe - is sometimes termed "Sport All Wheel Drive".
My personal impression - a bit more torque to the rear gives a more "impressive feel" under firm acceleration.
I would "guess" where the confusion came in - Mercedes also call the "on-deman-all-wheel-drive" for the GLA/CLA models "4matic" - however on this FWD platform - the rear traction is kicked in "on demand" - similar to several of the Japanese "AWD" systems.
Hope this helps - keep the beat !
Last edited by tron786; Jan 31, 2016 at 03:24 PM.
