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S-Class coups of the series 126
Mercedes-Benz type 420 SEC |
| Type |
420 SEC |
| Name |
420 SEC |
| Name |
Mercedes-Benz type 420 SEC |
| Short name |
420 SEC |
| Model |
C 126 E 42 |
| Production |
08.85/10.85 - 10.91 |
| Number produced |
3.680 |
| Comments concerning the production period |
begin of production - pre-production batch / main production - end of production |
| Prices |
09.85: 94.563,00 DM
12.85: 96.273,00 DM
09.86: 98.667,00 DM
06.87: 101.517,00 DM
02.88: 103.968,00 DM
09.88: 104.652,00 DM
02.89: 106.818,00 DM
01.90: 109.896,00 DM
10.90: 113.544,00 DM
03.91: 116.964,00 DM |
| Wheelbase |
2850 mm |
| Track rear/front |
1555/1527 mm |
| Length |
4935 mm |
| Width |
1828 mm |
| Height |
1407 mm |
| Smallest turning circle |
11,5 m |
| Chassis weight |
| Max. total weight |
2120 kg; since 09.87: 2140 kg |
| Max. front axle weight |
1020 kg; since 09.87: 1025 kg |
| Max. rear axle weight |
1100 kg; since 09.87: 1115 kg |
| Max. load |
520 kg |
| Max. trailer weight braked |
1500 kg; since 03.89: 1900 kg |
| Max. trailer weight unbraked |
750 kg |
| Weight empty |
1600 kg; since 09.87: 1620 kg |
| According to guideline |
DIN 70020 (with fuel, spare wheel and tool equipment) |
| Operating method |
four-stroke Otto (with manifold-injection; emission control device with three-way catalyst on demand, since 09.86 standard) |
| Configuration |
front, parallel; upright |
| Type |
M 116 E 42 / 116.965 |
| No. of cylinder/configuration |
8 / 90ř-V-form; light-alloy block |
| Bore x stroke |
92,0 x 78,9 mm |
| Total displacement |
4196 ccm (tax classification: 4146 ccm) |
| Compression ratio |
9,0; since 09.87: 10,0 |
| Crankshaft bearing |
5 |
| Output |
218 hp / 160 kW (with catalyst 204 hp / 150 kW) at 5200 /min;~since 09.87: 231 hp / 170 kW (with catalyst 224 hp / 165 kW) at 5400 /min |
| Maximum torque |
330 Nm at 3750 /min (with catalyst 310 Nm at 3600 /min);~since 09.87: 335 Nm (with catalyst 325 Nm) at 4000 /min |
| No. of valves/configuration |
1 intake, 1 exhaust / overhead |
| Valve operation |
1 top camshaft per cylinder line |
| Camshaft drive |
duplex roller-type chain |
| Mixture formation |
manifold-injection, mechano-electronically controlled~(Bosch KE-Jetronic) |
| Cooling |
water cooling / pump; 12,5 l water |
| Lubrication |
pressure circulation lubrication / 8 l oil |
| Electric system |
12 V |
| Battery |
66 Ah; since 09.90: 74 Ah / in the engine compartment |
| Dynamo |
three-phase AC / 1120 W |
| Starter motor |
electrical / 1,5 kW; since 01.88: 1,7 kW |
| Ignition |
electronic ignition system |
| Fuel tank |
above the rear axle / 90 l |
| Fuel supply |
electric supply pump |
| Driven whells |
rear wheels |
| Power transmission |
divided cardan shaft |
| Frame desing |
self-supporting all-steel body |
| Wheel suspension front |
double wishbone-front axle with torsion bar type stabilizer |
| Wheel suspension rear |
diagonal-swing axle, on demand with hydropneumatic level control |
| Suspension front |
coil springs, suppl. rubber suspension, torsion bar stabilizer |
| Suspension rear |
coil springs, supplementary rubber suspension, torsion bar stabilizer |
| Damper |
hydraulic telescopic damper |
| Steering |
ball-and-nut power steering |
| Steering transm ratio |
15,06:1 / 3,03 steering wheel turns |
| Breaking system |
braking system |
| Breaking system |
hydraulic dual-circuit braking system with vacuum-operated brake servo unit and antilock device;~disc brakes front (intern. ventilated) and rear |
| Parking breake |
parking brake |
| Parking breake |
mechanical (foot-operated), effective on rear wheels |
| Diamatre |
brake discs front / rear: 300 / 279 mm |
| Wheels |
sheet steel-disc wheels, on demand light-alloy disc wheels |
| Wheels rims |
7 J x 15 H 2 |
| Tyres |
205/65 VR 15 |
Skrzynie biegów tego modelu (gearbox and performance):
S-Class coups of the series 126
Mercedes-Benz type 420 SEC |
| Gearbox |
4-speed autom. gear shift |
| Availability |
Series (until 09.88) |
| Shifting |
Switch lever in car center |
| Clutch |
hydr. torque converter in autom. gear |
| Type of gearbox |
Planet gear |
| Synchromesh gears |
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| Gear transmission |
I. 3,68; II. 2,41; III. 1,44; IV. 1,0; R. 5,14 |
| Differential ratio |
2,47 |
| Maximum speed |
218 km/h (with catalyzer 210 km/h);~from 09.87: 222 km/h (with catalyzer 220 km/h) |
| Accelerations |
8,3 s (with catalyzer 8,7 s); from 09.87: 8,2 s (with catalyzer 8,3 s) |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
8,9/11,0/14,6 l (w. catalyzer 9,3/11,6/14,9 l);~from 09.87: 8,7/10,7/15,1 l (w. catalyzer 9,1/11,3/15,4 l) |
| acc. to guideline |
80/1268/EWG; values for 90 km/h / 120 km/h / city cycle |
S-Class coups of the series 126
Mercedes-Benz type 420 SEC |
| Gearbox |
4-speed autom. gear shift |
| Availability |
Series (from 09.88) |
| Shifting |
Switch lever in car center |
| Clutch |
hydr. torque converter in autom. gear |
| Type of gearbox |
Planet gear |
| Synchromesh gears |
|
| Gear transmission |
I. 3,87; II. 2,25; III. 1,44; IV. 1,0; R. 5,59 |
| Differential ratio |
2,47 |
| Maximum speed |
222 km/h (with catalyzer 220 km/h) |
| Accelerations |
8,2 s (with catalyzer 8,3 s) |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
8,7/10,7/15,1 l (w. catalyzer 9,1/11,3/15,4 l) |
| acc. to guideline |
80/1268/EWG; values for 90 km/h / 120 km/h / city cycle |
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