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2018 Mercedes-Benz E-Class powertrain problems

moderate 6 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →

Complaints
6
Recalls
0
Avg fix
$2,500

When does it fail?

Of the 6 powertrain complaints filed for the 2018 Mercedes-Benz E-Class, here's the actual mileage breakdown — failures cluster heaviest at 150,000+ mi.

0-25k
0 (0%)
25-50k
0 (0%)
50-75k
0 (0%)
75-100k
0 (0%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
1 (100%)

Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.

What owners are reporting 3 most recent

powertrain · filed 12/04/2023

Mercedes Benz use low quality PCV regulator valve , it is a common failure problem, warranty will not be covered, Benz sells part replacement for around 350 USD and it require about 2000 in labor to be fixed on average

powertrain · filed 11/10/2024

Vehicle went into limp mode at 83,000 miles and it was due to the electronic valve body failing within the transmission. Dealership mentioned it shouldn’t happen in a vehicles lifetime, this includes maintenance at the right interval (60,000 miles), which mine was. I was quoted roughly $3,800 by the dealership but after speaking with corporate it was brought down to $2,600.

powertrain · 154,000 mi · filed 09/13/2024

The contact owns a 2018 Mercedes-Benz E300. The contact stated while attempting to shift into drive, the transmission independently shifted to neutral. The contact attempted several times to shift into drive however, the transmission failure persisted. The vehicle was towed to the local dealer. The vehicle was diagnosed with transmission failure. The vehicle was not repaired. The manufacturer was…

Had powertrain trouble with your 2018 Mercedes-Benz E-Class? File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.

Common questions

How serious is the powertrain problem on the 2018 Mercedes-Benz E-Class?

It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.

At what mileage does the powertrain typically fail?

Based on the 6 complaints filed, powertrain issues most often appear around 133,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.

What does it cost to fix?

Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.

Are there any recalls related to powertrain?

No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.

Related

Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database. Verify the raw federal record at nhtsa.gov/vehicle/2018/Mercedes-Benz/E-Class. Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are independent-shop national averages and may differ in your area. Some links on this page are affiliate links.
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