The Lemon Index

All cars · Mercedes-Benz E-Class

2004 Mercedes-Benz E-Class.

The 2004 Mercedes-Benz E-Class is better than average by owner complaints: 27 complaints in its first 3 years and a Lemon Index of 54, where 100 is the average car. Owners complain most about brakes, it has 3 recalls, and it gets 16 to 20 mpg combined. The best Mercedes-Benz E-Class year is 2011.

54Lemon Index · 100 = average car

Better than average. 1.9× fewer complaints than average.

Best year 2011 · Worst year 2003

Mercedes-Benz E-Class
Photo shows a 2017 Mercedes-Benz E-Class. MARIA CLARISSA FIONALITA, Wikimedia Commons · CC BY 2.0 · background removed

Before you buy. What matters most for this car.

Owner complaints27first 3 years
Fuel economy16–20 mpgcombined, EPA
Crash testnot ratedNHTSA

How serious. Out of 370 owner complaints, owners reported:

11crashes
6injuries
3fires
5tows

Older model year: fewer owners filed complaints back then, so treat the score as rough.

What owners complain about most. From owner complaints to the government.

brakes37%
transmission & drivetrain22%
electrical15%
speed control11%
airbags7%

Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.

Transmission problems in every Mercedes-Benz E-Class year →

When owners reported problems. From owner complaints to the government.

half by 91K
0K50K100K150K200K

Most owners who filed a complaint with NHTSA had 65K to 127K miles on the car (315 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.

  • fuel or ev drive system complaints mostly came at 73K–131K miles
  • fuel system, gasoline complaints mostly came at 59K–116K miles
  • brakes complaints mostly came at 70K–132K miles

Recalls 3

  • visibility 2024

    Please see the recall report for a complete list of models and model years.

  • visibility 2022

    Please refer to MBUSA's recall report for specific vehicle model details.

  • visibility 2019

    The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle.

Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.

Check a VIN for open recalls

Problems Mercedes-Benz told dealers about

Mercedes-Benz sent dealers 94 repair notes for this car. The ones about its biggest problems:

  • Cracking/creaking noises from front axle when vehicle is subject to torsion or when steering…
  • Complaint Rear lamps fogged up/not leaktight
  • Complaint Headlamp or front fog lamp leaky or fogged Cause Fogging of the headlamps is a…

Ask a seller or mechanic if these were done. Some are free under warranty or a special program.

Government investigations

  • ClosedFuel leakage from the fuel tank2013–2014

NHTSA looks into a problem when enough owners report it. Many end in a recall.

Fuel cost and engines

About $4000–5000 a year in fuel (EPA estimate). Engines: 3.2L 6-cyl, 5.0L 8-cyl.

In owners' words

Brake failure, caused a major collision. Car did not stop in time to avoid another vehicle. Also electrical issue.

2004 Mercedes-Benz E-Class owner · NHTSA complaint 10106920
More owner reports

While driving transmission failed at 300 miles. Dealer stated transmission needed to be replaced.

NHTSA complaint 10063036

While driving 60 mph brake sensor light came on. As a result, when consumer attempted to pull over total brake failure occurred.

NHTSA complaint 10094866

Quick answers

Is the 2004 Mercedes-Benz E-Class reliable?

Yes, better than average by government complaints. It drew 1.9× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 54; 100 is average, lower is better). The best Mercedes-Benz E-Class year by this measure is 2011.

What are the most common 2004 Mercedes-Benz E-Class problems?

In owner complaints to the government, the parts named most are brakes (37%), transmission & drivetrain (22%) and electrical (15%). That is the share of complaints, not the share of cars that break.

How many recalls does the 2004 Mercedes-Benz E-Class have?

3 safety recalls (latest: visibility). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.

What gas mileage does the 2004 Mercedes-Benz E-Class get?

16 to 20 mpg combined, depending on the engine (EPA estimate).

At what mileage do 2004 Mercedes-Benz E-Class problems start?

Half of the owners who gave a mileage reported the problem between 65,000 and 127,000 miles. The middle report was at 91,600 miles, from 315 complaints.

Does the 2004 Mercedes-Benz E-Class have transmission problems?

Transmission and drivetrain issues make up 22% of its owner complaints.

How much does the 2004 Mercedes-Benz E-Class cost in fuel a year?

About $4000 to $5000 a year, by the EPA's current estimate.

What engines does the 2004 Mercedes-Benz E-Class have?

3.2L 6-cyl, 5.0L 8-cyl.

What Mercedes-Benz E-Class year is better than the 2004?

By owner complaints per car sold, the best recent years are 2011, 2012 and 2013.

Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data