The AMG-specific E PERFORMANCE hybrid drive: combustion engine within the entrance, electrical motor within the rear
Within the new Mercedes-AMG C 63 S E PERFORMANCE, the Handcrafted AMG 2.0-liter four-cylinder turbo engine is mixed with a permanently-excited synchronous electrical motor, a high-performance battery developed in Affalterbach and totally variable AMG Efficiency 4MATIC+ all-wheel drive. The system output of 671 hp and the utmost system torque of 752 lb-ft allow spectacular driving efficiency: the automobile accelerates from 0-60 mph in an estimated 3.3 seconds.
The 201 hp (150 kW) electrical motor is positioned on the rear axle, the place it’s built-in with an electrically- shifted two-speed gearbox and the electronically managed limited-slip rear differential in a compact electrical drive unit (EDU). Specialists discuss with this structure as a P3 hybrid. The light-weight high-performance battery can also be positioned within the rear above the rear axle.
This compact design has quite a few benefits:
The electrical motor acts instantly on the rear axle and may subsequently convert its energy extra instantly into propulsion – for that further enhance when ranging from a standstill, accelerating or overtaking.
The inherent design of the electrical motor signifies that full torque is on the market close to instantaneously, making notably agile beginning doable.
As well as, the motive force instantly experiences a noticeable efficiency enhance because of the built-in, electronically-controlled limited-slip rear differential. The hybrid mannequin is extremely agile when accelerating out of corners, presents optimum traction and, subsequently, a excessive degree of driving agility.
If slip happens on the rear axle, the drive energy of the electrical motor can also be transferred to the entrance wheels as wanted for extra traction. The mechanical connection of the totally variable all-wheel drive makes this doable via a drive shaft and the axles of the entrance wheels.
The positioning on the rear axle improves weight distribution in addition to axle load distribution within the automobile and thus types the idea for agility and dealing with.
The AMG system presents very excessive recuperation effectivity, because the system permits solely minimal mechanical and hydraulic losses from the engine and transmission.
The automated two-speed transmission on the rear axle, with its specifically calibrated gear ratio, ensures each excessive wheel torque for agile beginning to secure steady output at larger speeds. An electrical actuator engages second gear at as much as 87 mph, which corresponds to the electrical motor’s most velocity of round 13,500 rpm.
Impressed by Formulation 1, developed in Affalterbach: the AMG high-performance battery
When the electrification technique was being outlined, it was clear from the outset that every one important elements could be developed in Affalterbach. On the coronary heart of that is the AMG high-performance battery (HPB). The event of the lithium-ion power storage system is impressed by applied sciences which have already been confirmed within the Mercedes-AMG Petronas F1 Group’s Formulation 1 hybrid racing vehicles. The AMG high- efficiency battery combines excessive energy that may be utilized continuously in succession with low weight to extend the general efficiency of the automobile. Added to this are the quick power draw and excessive energy density.
94 hp steady output and 201 hp peak output
The high-performance battery presents a capability of 6.1 kWh, a steady output of 94 hp and a peak output of 201 hp for ten seconds. The low weight of solely 196 lbs (89 kg) helps to ship the very excessive energy density. Charging takes place by way of the put in 14V on-board charger with alternating present at a charging station, wallbox or family outlet. The battery is designed for quick energy supply and draw slightly than longest doable vary.
The continuous push for innovation: direct cooling of the battery cells
Each battery wants an outlined temperature for optimum energy supply. The premise for the excessive efficiency AMG 400-volt battery is its modern direct cooling system: a high-tech coolant flows round all 560 cells and cools them individually. The result’s the battery is all the time in a constant, optimum, working temperature window, regardless of how usually it’s charged or discharged. Ought to the typical temperature be exceeded when driving at excessive speeds, safety mechanisms are configured in order that most efficiency could be obtained from the battery, with the temperature degree subsequently lowered by direct cooling.
Working technique: electrical energy all the time obtainable
The fundamental working technique is derived from the hybrid powerpack of the Mercedes-AMG Petronas Formulation 1™ racecar. As within the premier class of motorsport, most energy is all the time obtainable when the motive force accelerates aggressively – for instance, to speed up powerfully out of corners or when overtaking. The electrical energy can all the time be accessed and continuously reproduced by way of excessive recuperation efficiency and needs-based recharging.
Eight AMG drive packages
The eight AMG DYNAMIC SELECT drive packages “Electrical,” “Consolation,” “Battery Maintain,” “Sport,” “Sport+,” “RACE,” “Slippery” and “Particular person” are exactly tailor-made to the brand new drive know-how and provide a variety of driving experiences – from environment friendly to dynamic. The drive packages modify vital parameters akin to response of the drive system and transmission, steering traits, suspension damping and sound. The enhance energy of the electrical motor additionally relies on the chosen drive program. The height output of the electrical motor, offering a lift of as much as 201 hp, could be known as up at any time by way of the kick-down perform.
“Electrical” drive program: the main target is on the electrical driving expertise. All-electric driving is feasible from a standstill as much as 81 mph, with the combustion engine all the time switched off. The mechanical connection to the AMG Efficiency 4MATIC+ elements signifies that all-wheel drive is all the time obtainable: if the rear wheels immediately lose grip, the facility of the electrical motor can also be transmitted to the entrance wheels by way of the drive shaft and axles. If the battery has run down or the motive force requests extra energy, the clever working management system routinely switches to the “Consolation” drive program and the combustion engine begins as much as present propulsion.
“Consolation” drive program: Beginning off is usually undertaken in electrical mode. Combustion engine and electrical motor run because the state of affairs calls for – with electrical drive at low speeds, for instance throughout metropolis driving, hybrid driving with combustion engine and electrical motor at velocity throughout freeway driving. The enhance energy of the electrical motor is a most of round 25 %. Total, the result’s a harmonious and consumption-optimized driving expertise, thanks partially to the early upshifts of the AMG SPEEDSHIFT® MCT 9G transmission. Suspension and steering are set as much as emphasize consolation.
“Battery Maintain” drive program: As within the “Consolation” driving mode, the combustion engine and electrical motor run based mostly on the motive force demand with a most enhance of round 25 %. The most important distinction is that the working technique retains the battery state of cost fixed. For instance, if the battery is at 75 % cost, it stays on this vary in “Battery Maintain.” Using the electrical motor is then restricted and optimized for low energy draw, which is compensated for by recuperation. Drivers can determine when to make full use of the battery cost once more, just by altering the drive program.
“Sport” drive program: beginning off with combustion engine and electrical motor and interplay of the 2 drives based mostly on the state of affairs. Extra enhance from the electrical motor is enabled, as much as roughly 65 %. Extra agile accelerator response, shorter shift occasions, earlier downshifts, in addition to a extra dynamic suspension and steering setup present a sporty driving expertise.
“Sport+” drive program: beginning off with combustion engine and electrical motor and interplay of the 2 drives based mostly on driver demand. Even larger enhance efficiency of as much as 80 %. Extraordinarily sporty character because of much more agile throttle response and focused torque intervention throughout upshifts with cylinder deactivation for optimum shift occasions. Elevated idle velocity for sooner acceleration. An much more dynamic setup for suspension, steering and powertrain.
“RACE” drive program: for extremely dynamic driving on closed race tracks. On this mode, all of the parameters are configured for optimum efficiency. Beginning off with combustion engine and electrical motor and situational interplay of the 2 drives. Electrical enhance energy of the electrical motor as much as 80 %. Robust battery recharging at low energy demand for optimum power availability. As well as, the “Increase Mode” could be known as up by way of the left steering wheel button. The enhance energy is then restricted to a most of 30 % as a way to preserve power reserves. These can then be used particularly on the race monitor for spontaneous energy demand by way of kick-down and one hundred pc enhance efficiency for highly effective acceleration.
“Slippery” drive program: optimized for slippery highway situations, with diminished energy and a flat torque curve. Electrical-only driving and recuperation adjustment are deactivated.
“Particular person” drive program: particular person customization of the drive, transmission, AMG DYNAMICS, chassis, steering and exhaust system.
New sound expertise in all driving situations: electrical, hybrid and inside combustion engine
When driving on all-electric energy, the Acoustic Car Alerting System informs others that the AMG C 63 S E Efficiency hybrid is approaching. A specifically composed, low-frequency and speed-modulated AMG sound is emitted to the skin by way of a loudspeaker on the entrance and a soundbar with two loudspeakers on the rear.
As well as, the AMG builders additionally use the exterior audio system for a extra superior sound expertise. For this objective, they choose up the actual sound of the combustion engine by way of a stress sensor within the exhaust system and enrich it additional earlier than it is emitted within the inside by way of the leisure sound system, thus making it doable to expertise the signature AMG sound. As well as, the sound is modulated by way of the present exterior loudspeakers.
Recuperation selectable in 4 levels
As a result of the high-performance battery is all the time within the optimum temperature window of round 113 levels Fahrenheit as a result of direct cooling, recuperation can be optimized. Usually, a battery heats up strongly at a excessive recuperation fee so the power restoration degree must be restricted. Recuperation begins when the motive force takes their foot off the accelerator pedal. The motive force can choose 4 totally different ranges of recuperation utilizing the right-hand AMG steering wheel button, with the power restoration being designed in a different way in accordance with the driving mode.
Degree 0: The automobile behaves equally to a traditional combustion-engine mannequin with guide transmission, the place the clutch is disengaged, and rolls on with the least resistance when the accelerator is launched. The recuperation degree may be very low, and solely serves to keep up the automobile’s energy provide. With the combustion engine switched off, friction losses within the drivetrain are diminished to a minimal.
Degree 1: That is the usual setting, at which recuperation is already noticeable to the motive force, and corresponds roughly to the deceleration of a traditional combustion engine when the clutch is engaged.
Degree 2: Stronger recuperation, the brake pedal hardly must be used when driving in site visitors.
Degree 3: Most power restoration, making so-called “one-pedal” driving doable very similar to an all- electrical automobile. Relying on the driving situations, greater than 100 kW of energy could be fed again into the battery.
Particular function of the “RACE” drive program: On the racetrack, the motive force needs to squeeze the utmost time doable out of any braking motion. Within the “RACE” drive program, recuperation is routinely set at degree 1 to permit essentially the most reproducible automobile habits doable on the limits.
Handcrafted AMG 2.0-liter engine with electrically assisted exhaust fuel turbocharger
The Handcrafted AMG 2.0-liter four-cylinder engine was developed totally on the firm’s headquarters in Affalterbach and is manufactured in accordance with the “One Man, One Engine” precept. In doing so, Mercedes- AMG combines the craftsmanship of its extremely certified staff with the fashionable manufacturing strategies of “Business 4.0” and a excessive diploma of digitization.
The hand-built engine, with the inner designation M139l, is the world’s first manufacturing engine with an electrical exhaust fuel turbocharger. This modern system is derived instantly from the know-how that the Mercedes-AMG Petronas F1 Group has been utilizing so efficiently within the premier class of motorsport for a few years. The brand new type of turbocharging ensures notably spontaneous response throughout your complete rev vary. This results in an much more dynamic driving expertise, whereas on the identical time rising effectivity.
In comparison with the AMG C 43 Sedan, the turbocharger within the C 63 S is considerably bigger enabling a better airflow fee and thus extra energy. As well as, the built-in electrical motor is powered by the 400-volt high- voltage system (48 volts within the C 43 Sedan).
Within the C 63 S, the four-cylinder unit produces 469 hp at 6,750 rpm. This makes it essentially the most highly effective series- produced four-cylinder on the earth. The utmost torque of 402 lb-ft is on the market at 5,000 – 5,500 rpm. A belt-driven starter-alternator (RSG) combines the alternator and starter in a single part and is built-in into the 400-volt high-voltage system. The RSG begins the combustion engine and ensures the essential provide of the ancillary elements akin to air-con or driving lights.
Energy is transmitted by way of the AMG SPEEDSHIFT® MCT 9G transmission (Multi-Clutch Transmission), during which a moist start-off clutch replaces the torque converter. It reduces weight and, because of its decrease inertia, optimizes response to accelerator pedal enter, particularly throughout sprints and cargo modifications.
AMG RIDE CONTROL suspension with Adaptive Damping System
The usual AMG RIDE CONTROL metal sprung suspension with Adaptive Damping System combines sporty driving dynamics with a excessive degree of long-distance consolation. The premise for that is supplied by the entrance axle with specifically developed steering knuckles and supporting joints for the spring hyperlink, in addition to by the rear axle, which additionally options elastokinematics designed for dynamic dealing with. Based mostly on this, the damping at every particular person wheel is constantly adjusted to the present demand – all the time considering the preselected suspension degree, the driving type and the situation of the highway floor. Along with an enchancment in journey high quality and luxury, this leads, above all, to a rise in driving security. There’s a selection of three totally different damping maps (“Consolation,” “Sport” and “Sport+”).
Rear axle steering combines agility with stability
The usual rear axle steering operates with a most steering angle of two.5 levels. At speeds of as much as 62 mph the rear wheels flip in the wrong way to the entrance wheels (variable relying on the AMG DYNAMICS setting). This results in a digital shortening of the wheelbase, which in flip ends in considerably extra agile turn-in, much less steering effort and improved maneuverability. At speeds above 62 mph (variable relying on the AMG DYNAMICS setting), the rear wheels flip in parallel to the entrance wheels – as much as a most of 0.7 levels. This digital extension of the wheelbase has a constructive impact on driving stability, results in a sooner build-up of lateral drive when altering route and thus to a extra direct response of the automobile to steering instructions.
Good management and fade-resistant: the AMG high-performance composite brake system
In line with the acute output figures and the related efficiency, the AMG high-performance iron rotor composite brake system with an aluminum hat and 6-piston mounted calipers on the entrance and 1-piston floating calipers on the rear is fitted as customary. The brake system impresses with brief braking distances in addition to most stability and fade-resistance underneath heavy use.
Press launch per Mercedes Benz USA