Mercedes-Benz 5G-Tronic transmission

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Template:Short description Template:Infobox automobile

5G-Tronic is Mercedes-Benz's trademark name for its 5-speed automatic transmission, starting off with the W5A 580 and W5A 330 (Wandler-5-Gang-Automatik bis 580 oder 330 Nm Eingangsdrehmoment; converter-5-gear-automatic with Template:Convert or Template:Convert maximum input torque; type 722.6) as core models.

It replaced the older 4-speed 4G-Tronic transmission-family and its 5-speed derivative, and was replaced by the much more complex and costly 7-speedTemplate:Efn Mercedes-Benz 7G-Tronic (model W7A 700 · type 722.9) transmission with 11 main components introduced in 2003. Due to its high torque capacity (up to Template:Convert) and lower cost, it was retained for turbocharged V12 engines, 4-cylinder applications and commercial vehicles for almost a decade. It is still being built for niche applications (e.g. Sprinter with petrol/CNG M111 engine, Jeep Wrangler, etc.).

Gear RatiosTemplate:Efn
Template:Diagonal split header R 2 R 1 1 2 3 4 5 Total
Span
Span
Center
Avg.
Step
Compo-
nents
W5A 330 · 1996 Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round 3 Gearsets
3 Brakes
3 Clutches
W5A 580 · 1996 Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round
W5A 330 · 2004 Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round
W5A 580 · 2004 Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round Template:Round

Template:Notelist

Specifications

Layout

The 5G-Tronic (model W5A 330 and W5A 580 · type 722.6) is an electronically shifted 5-speed overdrive automatic transmission with torque converter lock-up (typically in gears 3, 4 and 5) and 2-speed for reverse. In all applications this transmission is identified as the New Automatic Gearbox Generation One, or NAG1. Progress is reflected in 5 forward gearsTemplate:Efn using 9 main components, compared to 5 forward gearsTemplate:Efn with 11 main components in the direct predecessor. It is fully electronically controlled and equipped with a torque converter lock-up.

Operating Modes

Winter/Summer (Standard) Mode

Activated by a toggle switch, Winter mode sets the gearbox to start off in 2nd gear, both in Drive and Reverse. This is designed to reduce wheelspin on icy surfaces. Also in "W" mode the transmission will shift at lower speeds. "S" mode is not sport but Sommer (German for summer) or Standard.

With Jaguar XJR applications the switch is labelled "Sport". In regular driving mode the gearbox starts off in 2nd gear, both in Drive and Reverse, and will only engage 1st gear when triggered via the kickdown switch (Drive only). While "Sport" mode is enabled the gearbox will always start off in 1st gear.

Speedshift (2001–)

Speedshift is a performance feature set for the Mercedes-Benz transmissions which includes manual mode and active downshifting. When cornering at high speed, the transmission maintains the same gear above a certain lateral acceleration level. It can also automatically downshift before overtaking.

It was first used in 2001 Mercedes-Benz C 32 AMG[1] and 2001 Mercedes-Benz SLK 32 AMG.[2]

AMG Speedshift (2002–)

A version with mechanical lock-up of the torque converter from first gear and steering-wheel-mounted shifter. AMG Speedshift is also used in 7G-Tronic transmission.[3]

It was first used in 2002 Mercedes-Benz E 55 AMG, S 55 AMG, C55, CL 55 AMG.[4]

AMG Speedshift R

A version used in Mercedes-Benz SLR McLaren. It includes three manual modes.

Template:Notelist

Gear Ratios
With Assessment Planetary Gearset: TeethTemplate:Efn Count TotalTemplate:Efn
CenterTemplate:Efn
Avg.Template:Efn
Model
Type
Version
First Delivery
S1Template:Efn
R1Template:Efn
S2Template:Efn
R2Template:Efn
S3Template:Efn
R3Template:Efn
Brakes
Clutches
Ratio
Span
Gear
StepTemplate:Efn
Gear
Ratio
R 2
iR2
R 1
iR1
1
i1
2
i2
3
i3
4
i4
5
i5
StepTemplate:Efn iR1iR2 iRi1Template:Efn i1i1 i1i2Template:Efn i2i3 i3i4 i4i5
Δ StepTemplate:EfnTemplate:Efn i1i2:i2i3 i2i3:i3i4 i3i4:i4i5
Shaft
Speed
i1iR2 i1iR1 i1i1 i1i2 i1i3 i1i4 i1i5
Δ Shaft
SpeedTemplate:Efn
i1iR1i1iR2 0i1iR1 i1i10 i1i2i1i1 i1i3i1i2 i1i4i1i3 i1i5i1i4
W5A 280
722.6Template:Efn
Template:Convert
1996
50
79
34
70
54
87
3
3
Template:Round
Template:Round
Template:Font color
Ratio Template:Round Template:Font colorTemplate:Efn Template:Round Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn
W5A 300
722.6Template:Efn
Template:Convert
1996
50
79
34
70
54
87
3
3
Template:Round
Template:Round
Template:Font color
Ratio Template:Round Template:Font colorTemplate:Efn Template:Round Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn
W5A 330
722.6Template:Efn
Template:Convert
1996
50
79
34
70
54
87
3
3
Template:Round
Template:Round
Template:Font color
Gear
Ratio
Template:Round
966493
Template:Font color Template:Round
315,27680,185
Template:Font color Template:Font color Template:Font color Template:Font color
Step 1.6329 Template:Font colorTemplate:Efn 1.0000 Template:Font color Template:Font color Template:Font colorTemplate:Efn 1.2042
Δ StepTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn 1.2338
Speed –2.0709 Template:Font color 1.0000 1.6329 2.6464 3.9319 Template:Font color
Δ Speed 0.8027 Template:Font color 1.0000 0.6329 1.0135 1.2854 Template:Font colorTemplate:Efn
W5A 400
722.6Template:Efn
Template:Convert
1996
50
78
30
74
50
90
3
3
Template:Round
Template:Round
Template:RoundTemplate:Efn
Ratio Template:Round Template:Font colorTemplate:Efn Template:Round Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn Template:Round Template:Font colorTemplate:Efn
W5A 580
722.6Template:Efn
Template:Convert
1996[5][6]
50
78
30
74
50
90
3
3
Template:Round
Template:Round
Template:RoundTemplate:Efn
Gear
Ratio
Template:Round
5227
Template:Font color Template:Round
3,584999
Template:Font color Template:Font color Template:Round
11
Template:Font color
Step 1.6410 Template:Font colorTemplate:Efn 1.0000 Template:Font color Template:Font color 1.4054 1.2028
Δ StepTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn 1.1684
Speed –1.8628 Template:Font color 1.0000 1.6410 2.5527 3.5876 Template:Font color
Δ Speed 0.7277 Template:Font color 1.0000 0.6410 0.9117 !1.0349 Template:Font colorTemplate:Efn
W5A 900
722.6Template:Efn
Template:Convert
1996
50
78
30
74
50
90
3
3
Template:Round
Template:Round
Template:RoundTemplate:Efn
Ratio Template:Round Template:Font colorTemplate:Efn Template:Round Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn Template:Round Template:Font colorTemplate:Efn
W5A 330
722.6Template:Efn
Template:Convert
Chrysler · 2004
58
92
34
70
65
103
3
3
Template:Round
Template:Round
Template:Font color
Gear
Ratio
Template:Round
3,3801,751
Template:Font color Template:Round
9,3602,369
Template:Font color Template:Font color Template:Font color Template:Font color
Step 1.6304 Template:Font colorTemplate:Efn 1.0000 Template:Font color Template:Font color Template:Font colorTemplate:Efn 1.2003
Δ StepTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn 1.2378
Speed –2.0709 Template:Font color 1.0000 1.6329 2.6464 3.9319 Template:Font color
Δ Speed 0.8027 Template:Font color 1.0000 0.6329 1.0135 1.2854 Template:Font colorTemplate:Efn
W5A 580
722.6Template:Efn
Template:Convert
Chrysler · 2004
58
90
30
74
60
108
3
3
Template:Round
Template:Round
Template:RoundTemplate:Efn
Gear
Ratio
Template:Round
5227
Template:Font color Template:Round
1,456405
Template:Font color Template:Font color Template:Round
11
Template:Font color
Step 1.6444 Template:Font colorTemplate:Efn 1.0000 Template:Font color Template:Font color 1.4054 1.2035
Δ StepTemplate:Efn Template:Font colorTemplate:Efn Template:Font colorTemplate:Efn 1.1678
Speed –1.8667 Template:Font color 1.0000 1.6444 2.5580 3.5951 Template:Font color
Δ Speed 0.7315 Template:Font color 1.0000 0.6444 0.9136 1.0370 Template:Font colorTemplate:Efn
Ratio
R & Even
iR2=S3(S2+R2)S2R3 i2=(S2+R2)(S3+R3)R2R3 i4=11
Ratio
R & Odd
iR1=S3(S1+R1)(S2+R2)R1S2R3 (S1+R1)(S2+R2)(S3+R3)R1R2R3 S2+R2R2 S3(S1+R1)(S2+R2)S3(S1+R1)(S2+R2)+S1S2R3
Algebra And Actuated Shift ElementsTemplate:Efn
Brake 1Template:Efn
Brake 2Template:Efn
Brake BRTemplate:Efn
Clutch 1Template:Efn
Clutch 2Template:Efn
Clutch 3Template:Efn
Template:Notelist

Applications

Mercedes models

Mercedes S-Class

Mercedes CL

Mercedes CLS

Mercedes E-Class

Mercedes C-Class

Mercedes CLK

Mercedes ML

Mercedes G-Class

Mercedes SLK

Mercedes SL

Mercedes SLR

Maybach

Non Mercedes-Benz models

Jeep

Dodge

Chrysler

Lancia

Jaguar

SsangYong

Porsche

Freightliner

See also

Template:Portal

References

Template:Reflist