1992 Mercedes-Benz 400E
Fuel Economy Overview
The 1992 Mercedes-Benz 400E achieves an EPA-estimated 16 MPG in combined city and highway driving, with 15 MPG in the city and 20 MPG on the highway. Powered by a 4.2L 8-cylinder engine paired with a automatic 4-spd, this compact cars features Rear-Wheel Drive drive.
In terms of environmental impact, the 1992 400E produces approximately 555 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this 400E has higher-than-average emissions in this regard.
The estimated annual fuel cost for this vehicle is $4,300, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $10,750 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.
Energy DNA
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.
Aerodynamic Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.
5-Year Total Cost of Ownership
Recall Intelligence
HIGH AMBIENT ENGINE COMPARTMENT TEMPERATURES ARE EXPERIENCED AFTER THE VEHICLE IS OPERATED AND THEN PARKED. IF THE VEHICLE IS RESTARTED A SHORT TIME LATER AND THE CHARCOAL CANISTER IS SATURATED WITH FUEL, IT IS POSSIBLE THAT FUEL VAPOR MAY BE EXPELLED THROUGH THE INLET VENT LINE OF THE CANISTER ONTO THE ELECTRIC AUXILIARY RADIATOR FAN PRERESISTOR.
Consequence & Remedy
Consequence: UNDER CERTAIN OPERATING CONDITIONS THE ELECTRIC AUXILIARY RADIATOR FAN PRERESISTOR BECOMES HOT ENOUGH TO IGNITE THE FUEL EXPELLED FROM THE CHARCOAL CANNISTER AND RESULT IN AN UNDERHOOD FIRE.
Remedy: DEALERS WILL REPOSITION THE FUEL VAPOR CANISTER VENT LINE AWAY FROM THE ELECTRIC FAN PRERESISTOR. IN ADDITION, THE PRERESISTOR WILL HAVE A LARGER HEAT SHIELD AND A FUSED WIRING HARNESS WILL BE INSTALLED.
THE PLASTIC BRAKE HYDRAULIC HOSE FROM THE AUTOMATIC SLIP CONTROL UNIT WAS MISROUTED TOO CLOSE TO THE PRE-RESISTOR FOR THE ELECTRIC AUXILIARY ENGINE COOLING FAN WHICH BECOMES HOT UNDER CERTAIN CONDITIONS. THIS COULD CAUSE THE HOSE TO MELT AND LEAK BRAKE FLUID ONTO THE HOT PRE-RESISTOR.
Consequence & Remedy
Consequence: BRAKE FLUID CAN CATCH ON FIRE WHEN IT CONTACTS THE HOTPRE-RESISTOR, POSING THE RISK OF INJURY TO ANYONE IN OR NEAR THE VEHICLE.
Remedy: REPLACE AND REROUTE ANY HOSE THAT MAY HAVE BEEN MISROUTED.
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Mercedes-Benz 400E configurations.
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)