* Gasoline engine: The most common engine option was a 3.0 liter inline-six cylinder engine (M103) with around 188 horsepower.
* Diesel engine: A 3.0 liter inline-five cylinder turbocharged diesel engine (OM603) was also available.
To determine if your 1989 Mercedes 300 SEL is a diesel, you'll need to check the following:
* Vehicle Identification Number (VIN): The VIN can be decoded to reveal the engine type.
* Engine bay: Look for the engine label, which will clearly state the engine type.
* Owner's manual: The manual will provide detailed information about the vehicle, including engine specifications.
It's always best to verify the engine type for your specific 1989 Mercedes 300 SEL to ensure you have the correct information.
