Key facts

1987 Mercedes-Benz 420 SEL V 126 V 126 E 42 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
5160 mm
How heavy?
1660 kg
What size engine?
4.2 litre, 4196 cm3
How many cylinders?
8, V
How much power?
231 PS / 228 bhp / 170 kW @ 5400 rpm
How much torque?
335 Nm / 247 ft.lb / 34.2 kgm @ 4000 rpm
How quick?
0-100 km/h: 8.20 s
How fast?
222 km/h, 138 mph
How economical?
8.7/10.7/15.1 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC

Mercedes-Benz

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Daimler AG

1987 Mercedes-Benz 420 SEL technical specifications

Introduction

The Mercedes-Benz 420 SEL is a saloon (sedan) designed by Bruno Sacco with 4 doors and a front mounted powerplant which transmits its power to the rear wheels.
The 420 SEL is part of Mercedes-Benz's V 126 model series.
Its 4.2 litre engine is a naturally aspirated, single overhead camshaft, 8 cylinder unit that develops 228 bhp (231 PS/170 kW) of power at 5400 rpm, and maximum torque of 335 N·m (247 lb·ft/34.2 kgm) at 4000 rpm.
This power is transmitted to the wheels through a 4 speed automatic gearbox.
It weighs a stated 1660 kg at the kerb.
It is said to be able to manage a maxiumum speed of 222 km/h, or 138 mph, official fuel consumption figures are 8.7/10.7/15.1 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC.
1987 Mercedes-Benz 420 SEL data
1987 Mercedes-Benz 420 SEL V 126 V 126 E 42 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
DesignerBruno Sacco
dimensions & weights
mminches
Wheelbase 3075 121.1
Track/tread (front) 1555 61.2
Track/tread (rear) 1527 60.1
Length 5160 203.1
Width 1820 71.7
Height 1441 56.7
Ground clearance
length:wheelbase ratio 1.68
Kerb weight 1660 kg 3660 lb
Weight distribution 53.30 % front
fuel tank capacity 90 litres 19.8 UK Gal 23.8 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Mercedes-Benz
Engine code M 116 E 42 / 116.965
Cylinders V 8 in 90° vee
Capacity 4.2 litre
4196 cc
(256.056 cu in)
Bore × Stroke 92 × 78.9 mm
3.62 × 3.11 in
Bore/stroke ratio 1.17
single overhead camshaft (SOHC)
2 valves per cylinder
16 valves in total
maximum power output 231 PS (228 bhp) (170 kW)
at 5400 rpm
Specific output 54.3 bhp/litre
0.89 bhp/cu in
maximum torque 335 Nm (247 ft·lb) (34.2 kgm)
at 4000 rpm
Specific torque 79.84 Nm/litre
0.96 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 10:1
Fuel system Bosch KE-Jetronic fuel injection
bmep (brake mean effective pressure) 1003.3 kPa (145.5 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 524.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h 8.20 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 222 km/h (138 mph)
Power-to-weight ratio 139.26 PS/g
102.42 kW/g
137.35 bhp/ton
0.06 bhp/lb
Weight-to-power ratio 9.76 kg/kW
16.31 lb/bhp
fuel consumption
Fuel consumption 8.7/10.7/15.1 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC
universal consumption (calculated from the above)
litres per 100km8.7/10.7/15.1 l/100km 90kmph/120kmph/urban
km per litre11.5/9.3/6.6 km/l 90kmph/120kmph/urban
UK MPG32.5/26.4/18.7 UK MPG 90kmph/120kmph/urban
US MPG27.0/22.0/15.6 US MPG 90kmph/120kmph/urban
Carbon dioxide emissions
Carfolio Calculated CO2 ? 311.11 g/km
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering recirculating ball PAS
turns lock-to-lock 3.030
Turning circle
Front suspension I.DW.CS.ARB.
Rear suspension I.STA.CS.ARB.
Wheel size front 7J x 15 H 2
Wheel size rear 7J x 15 H 2
Tyres front 205/65 VR 15
Tyres rear 205/65 VR 15
Brakes F/R VeDi/Di-S-ABS
Front brake diameter 300 mm
Rear brake diameter 279 mm
Gearbox 4 speed automatic
Top gear ratio 1.00
Final drive ratio 2.47
general
Carfolio.com ID7216
Production total
Model code V 126 E 42
Model family V 126
RAC rating 42.0
Insurance classification No information available
Tax band No information available
1987 Mercedes-Benz 420 SEL added before December 1995.
Last modified 2013-06-19.

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1987 Mercedes-Benz 420 SEL


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