Mercedes S-Class 4.2 AT Specs — Second Generation Restyling
The Mercedes S-Class 4.2 AT of the Second Generation Restyling is a gasoline coupe, and the way its automatic transmission mediates between engine and rear wheels is worth setting out first.
2 generation, restyling · Coupe
Generation photo. Individual trim appearance may differ.
The highest speed a vehicle can sustain under manufacturer test conditions. Some cars are electronically limited below their mechanical potential. Glossary entry
218 km/h
Engine type
Gasoline
Transmission
Automatic
Type of boost?
A turbocharger or supercharger compresses the air entering the engine so a smaller engine can produce more power. Naturally aspirated engines draw air without a compressor. Glossary entry
No
Type of drive?
Which wheels receive power: front-wheel drive, rear-wheel drive or all-wheel drive. All-wheel drive can send power to every wheel for extra traction. Glossary entry
RWD
Bore and stroke?
The diameter of a cylinder (bore) and the distance the piston travels inside it (stroke). Together they determine the displacement of the engine. Glossary entry
92 × 78.9 mm
Engine capacity?
The total volume swept by all pistons inside the cylinders, usually stated in cubic centimetres or litres. Larger displacement often means more power but higher consumption. Glossary entry
4196 cm³
Engine location
Front, longitudinal
Number of gears?
How many fixed forward ratios a gearbox offers. More gears can improve economy and refinement; continuously variable transmissions have no fixed steps. Glossary entry
4
Maximum power?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
218 hp
Maximum power, kw?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
160 kW
Compression ratio?
The ratio between the largest and smallest volume of a cylinder as the piston moves. Higher ratios improve efficiency but may require higher-octane fuel. Glossary entry
9
Maximum power rpm
5200 rpm
Maximum torque N⋅m
330 N⋅m
Maximum torque rpm
3750 rpm
Acceleration to 100?
The time a vehicle needs to reach 100 km/h from a standstill, a common shorthand for overall performance. Glossary entry
8.3 s
Engine power system
Distributed injection (multi-point)
Number of cylinders
8
Valves per cylinder?
The number of intake and exhaust valves in each cylinder. Four valves per cylinder is common and helps the engine breathe at higher speeds. Glossary entry
2
Cylinder arrangement
V-shaped
Maximum power ICE
Not provided
Maximum power ICE
Not provided
Energy & emissions
ECO class
Not provided
Battery power
Not provided
Fuel grade
80
Mild Hybrid?
A car with a small electric motor and battery that assist the combustion engine and recover braking energy but cannot drive on electricity alone. Glossary entry
Not provided
Battery type
Not provided
CO2 emissions?
The amount of carbon dioxide released per kilometre under a standardised test. Lower figures usually go hand in hand with lower fuel consumption. Glossary entry
Not provided
Full charge home
Not provided
Power consumption
Not provided
Fuel tank capacity
Not provided
Full public charging time
Not provided
Driving range, maximum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Driving range, minimum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Fuel consumption city
Not provided
Average consumption
Not provided
Fuel consumption highway
Not provided
Dimensions & body
Doors number
2
Number of seats
5
Width
1828 mm
Height
1406 mm
Length
4910 mm
Body type
Coupe
Wheelbase?
The distance between the centres of the front and rear wheels. A longer wheelbase usually gives more cabin space and a calmer ride; a shorter one helps agility and parking. Glossary entry
2850 mm
U-turn diameter
Not provided
Depth of the ford to be crossed
Not provided
Body style
Coupe
Rear track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1517 mm
Trunk volume max
Not provided
Trunk volume min
Not provided
Front track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1545 mm
Max weight
2140 kg
Curb weight?
The weight of the vehicle with all standard equipment and fluids but without passengers or cargo. Glossary entry
1620 kg
Ground clearance, maximum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
Not provided
Ground clearance, minimum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
150 mm
Identity & configuration
Body code
C126
Vehicle class
F
Body designation
C126
Right-hand drive
No
Additional specifications
Stop
1991-04-30
Start
1985-05-01
Wheel size
Not provided
Rear brakes
Disc
Front brakes
Ventilated disc
Rear suspension
Independent, spring
Front suspension
Independent, spring
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Not provided means the source has no value. Zero remains zero. Units are shown as supplied; range test cycles are only stated when known.
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Engine and Transmission
In this coupe the automatic transmission sits between engine and driveshaft, using a fluid coupling to absorb the difference in speed at rest. Gear ratios then multiply or reduce that rotation so road speed rises without the engine straying from its usable range.
Drivetrain and Everyday Driving
Rear-wheel drive describes a mechanical layout: the gearbox sends torque rearward, and the front wheels are left to steer. An electronic traction function is separate, monitoring wheel rotation and trimming power or braking a slipping wheel rather than routing drive.
Body and Practicality
Coupe names a body shape — two doors and a sloping roofline — not a seat count. Rear accommodation, whether two individual places or a bench, is decided by the interior specification, so the label alone says nothing about how many travel behind.
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