WDBGA43E5RA168104

The 1994 MERCEDES-BENZ S-Class S420 is a luxurious sedan powered by a 4.2L V8 engine producing 275 hp. Manufactured in Sindelfingen, Germany, this model offers advanced safety features, including first-row front and knee airbags, and Type-2 seat belts with emergency tensioning retractors. With its elegant design and robust performance, the S420 remains a classic example of Mercedes-Benz engineering excellence.

Decoded VIN:

Make

MERCEDES-BENZ

Manufacturer Name

MERCEDES-BENZ CARS

Model

S-Class

Model Year

1994

Plant City

SINDELFINGEN

Series

S420

Vehicle Type

PASSENGER CAR

Plant Country

GERMANY

Plant State

BADEN-WÜRTTEMBERG

Body Class

Sedan/Saloon

Doors

Engine Number of Cylinders

Displacement (CC)

4200.0

Displacement (CI)

256.29972519787

Displacement (L)

4.2

Fuel Type - Primary

Gasoline

Engine Configuration

V-Shaped

Engine Brake (hp) From

275

Engine Manufacturer

Mercedes-Benz

Pretensioner

Yes

Seat Belt Type

Manual

Other Restraint System Info

Type-2 Belt with ETR: Emergency Tensioning Retractors for Driver and Passenger. Rear Belts: Type-2 Belts with a lap belt in the center seat.

Front Air Bag Locations

1st Row (Driver and Passenger)

Knee Air Bag Locations

1st Row (Driver and Passenger)

Most common problems:

Oil leaks

Older V-shaped engines, like the one in a 1994 Mercedes-Benz S-Class, often suffer from oil leaks due to worn gaskets and seals.

Overheating

Issues with the cooling system, such as a failing water pump or clogged radiator, can cause the engine to overheat, especially in older vehicles.

Ignition system problems

The ignition system components, such as spark plugs, wires, and the distributor, can wear out over time, leading to misfires and poor engine performance.

Fuel system issues

Aged fuel injectors and fuel pumps may fail, causing poor fuel delivery and engine performance problems.

Timing chain/belt wear

With high mileage, the timing chain or belt can stretch or wear out, leading to poor engine timing and potential engine damage.

Vacuum leaks

Old rubber hoses and connections can develop leaks, causing rough idling and poor engine performance.

Sensor failures

Sensors like the oxygen sensor, MAF sensor, or crankshaft position sensor can fail over time, leading to engine performance issues and triggering the check engine light.

Exhaust system corrosion

The exhaust system, including the catalytic converter and mufflers, can corrode and fail, especially in older vehicles.

Valve cover gasket leaks

The V8 engine in the S-Class may develop leaks in the valve cover gaskets, leading to oil seepage and potential engine damage if not addressed.

Worn engine mounts

Over time, engine mounts can wear out or break, causing excessive engine vibration and noise.

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