The Lemon Index

All cars · Mercedes-Benz M/GLE

2012 Mercedes-Benz M/GLE.

The 2012 Mercedes-Benz M/GLE is one of the most reliable years by owner complaints: 19 complaints in its first 3 years and a Lemon Index of 45, where 100 is the average car. Owners complain most about engine, it has 0 recalls, and it gets 17 to 20 mpg combined. The best Mercedes-Benz M/GLE year is 2010.

45Lemon Index · 100 = average car

One of the most reliable. 2.2× fewer complaints than average.

Best year 2010 · Worst year 2006

Mercedes-Benz M/GLE
Photo shows a 2018 Mercedes-Benz M/GLE. Alexander Migl, Wikimedia Commons · CC BY-SA 4.0 · background removed

Before you buy. What matters most for this car.

Owner complaints19first 3 years
Fuel economy17–20 mpgcombined, EPA
Crash testnot ratedNHTSA

How serious. Out of 66 owner complaints, owners reported:

5crashes
4injuries
1fires
6tows

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

engine37%
fuel or ev drive system16%
steering11%
lights11%
speed control5%

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 M/GLE year →

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

half by 48K
0K50K100K150K200K

Most owners who filed a complaint with NHTSA had 14K to 82K miles on the car (44 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.

  • engine complaints mostly came at 0K–86K miles

Recalls 0

No safety recalls on record.

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 132 repair notes for this car. The ones about its biggest problems:

  • Rattling/thumping noises from the area of the steering on rough roads or when driving over road
  • Xentry (mercedes): on some vehicles, whenever the reverse gear is engaged, the reverse camera…
  • Xentry (mercedes): check engine light (cel) is activated; stored in engine control unit is…

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

Fuel cost and engines

About $4000–4700 a year in fuel (EPA estimate). Engines: 3.5L 6-cyl, 4.7L 8-cyl.

In owners' words

I stopped at a red light. The 2012 ml350 engine stalled. I could have been in a accident. Luckily, the car behind me did not hit me. I had to start the engine again.

2012 Mercedes-Benz M/GLE owner · NHTSA complaint 10548636

Quick answers

Is the 2012 Mercedes-Benz M/GLE reliable?

Yes, it is one of the most reliable by government complaints. It drew 2.2× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 45; 100 is average, lower is better). The best Mercedes-Benz M/GLE year by this measure is 2010.

What are the most common 2012 Mercedes-Benz M/GLE problems?

In owner complaints to the government, the parts named most are engine (37%), fuel or ev drive system (16%) and steering (11%). That is the share of complaints, not the share of cars that break.

How many recalls does the 2012 Mercedes-Benz M/GLE have?

None: NHTSA has no safety recalls on record for it.

What gas mileage does the 2012 Mercedes-Benz M/GLE get?

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

At what mileage do 2012 Mercedes-Benz M/GLE problems start?

Half of the owners who gave a mileage reported the problem between 14,200 and 82,500 miles. The middle report was at 48,500 miles, from 44 complaints.

Does the 2012 Mercedes-Benz M/GLE have transmission problems?

Transmission and drivetrain issues aren't among its top 5 complaint areas.

How much does the 2012 Mercedes-Benz M/GLE cost in fuel a year?

About $4000 to $4700 a year, by the EPA's current estimate.

What engines does the 2012 Mercedes-Benz M/GLE have?

3.5L 6-cyl, 4.7L 8-cyl.

What Mercedes-Benz M/GLE year is better than the 2012?

By owner complaints per car sold, the best recent years are 2010, 2019 and 2011.

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