Au7o mascotAu7o
Known IssuesTest Hub demo
  1. Au7o
  2. /
  3. Known Issues
  4. /
  5. Mercedes-Benz
  6. /
  7. E-Class
Mercedes-Benz · Known Issues

2023 Mercedes-Benz E-Class Problems: 3 Known Issues

2023 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

Share:@au7o.io

2023 · All trims · All engines

Choose the year and equipment for your written issues and visual request.

Known IssuesMotorcycle IssuesDTC LookupDrivePricingAboutTermsPrivacyCookiesConsentData rightsCopyrightFeedback
Share:@au7o.io

Vehicle data and repair guidance on this site are compiled with AI assistance and may contain errors. Always verify with your service manual or a qualified mechanic.

Data protection representation

DataRep representative in the United KingdomDataRep representative in the European Union
Au7o · 2026
Built for DIY mechanics. Privacy-first.
Explore free Hub demo
No email neededHow interest is saved

Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy

Visual coming soon

Your interest helps us choose what to build next.

Visual Known Issues · Coming soon

$4.99/month plus taxes at launch · No payment today

Preview the XT6 example
Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2023 Mercedes-Benz E-Class has 3 documented known issues, with 2 rated critical. The most serious are Fuel Pump Delivery Module Failure Leading to Extended Crank, Stalling, or No-Start ($900-$1,800 repair) and 48V Integrated Starter-Generator / DC-DC Converter Failure Causing Sudden Power Loss and No-Restart ($1,200-$4,500 repair). Across all issues with published estimates, repair costs range from $250 to $4,500. DIY maintenance guides at au7o.io.

In This Article

  • E-Class Electrical2
  • E-Class Fuel System1
  • FAQ
Get Started
Back to top

In This Article

  • Electrical2
  • Fuel System1
  • FAQ

All 3 Known Issues

Filter:
ALL YEARS20242023202220212018201720162015201420132012201120102009200820072006200520042003

When Issues Typically Appear

MBUX / Instrument Cluster Black Screen, Rebooting, and Rear Camera Inoperative Due to Infotainment Software Faults
1K-40K
48V Integrated Starter-Generator / DC-DC Converter Failure Causing Sudden Power Loss and No-Restart
5K-50K
Fuel Pump Delivery Module Failure Leading to Extended Crank, Stalling, or No-Start
10K-70K
025K50K75K100K mi

On the 2021-2023 Mercedes-Benz E-Class 3.0L M256 inline-6 turbo mild hybrid, multiple owners of facelift W213 E-Class models with the M256 mild-hybrid system reported sudden warning messages, loss of charging, reduced power, stalling, or a no-start condition traced to the 48V system. Mercedes issued service communications and there are numerous owner complaints describing failure of the integrated starter-generator or associated DC-DC converter/48V battery support hardware. When the 48V system drops offline, the vehicle may illuminate multiple warnings and can become undriveable or fail to restart.

This issue also affects: Mercedes-Benz C-Class, Mercedes-Benz CLS-Class, Mercedes-Benz AMG GT 4-Door

Common Symptoms

  • 12V battery/charging system warning
  • Check engine light or multiple warning lights
  • Vehicle will not start
  • Sudden loss of power or limp mode
  • Engine shuts off at a stop and will not restart
  • Rough restart behavior

How to Fix

Scan the vehicle for 48V powertrain and charging faults, verify 12V and 48V battery state, and inspect freeze-frame data for ISG/DC-DC converter shutdown events. Dealers typically update control-unit software and replace the failed DC-DC converter, integrated starter-generator, or related 48V components as needed. Battery support and proper post-repair coding/adaptation are important to prevent repeat faults.

Owner tips & cautions

  • TipIf buying used, check service history for prior 48V battery, ISG, or DC-DC converter replacement and ask whether the latest powertrain software campaigns were completed.
  • TipOwners recommend scanning with a Mercedes-capable tool rather than a generic OBD reader because many 48V faults are stored in submodules not visible to basic scanners.
Typical repair cost:$1,200 - $4,500

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
High Confidence

On the 2021-2024 Mercedes-Benz E-Class, owners of 2021+ facelift E-Class cars frequently reported MBUX display freezes, black screens, spontaneous reboots, loss of audio/navigation, and backup camera malfunctions. Mercedes has issued software-related service information for MBUX and camera behavior, and NHTSA complaints describe the center display or cluster going dark while driving. In some cases the issue also disables parking aids or leaves the rearview image unavailable when reversing.

This issue also affects: Mercedes-Benz AMG GT, Mercedes-Benz C-Class, Mercedes-Benz CLS-Class

Common Symptoms

  • Center screen black
  • Instrument cluster reboots
  • Backup camera unavailable
  • Frozen navigation or audio screen
  • No sound from media or phone
  • Parking assist warnings

How to Fix

Confirm software level of the MBUX head unit, instrument cluster, and camera control modules, then perform guided updates and fault tracing. If software does not resolve the issue, dealers may replace the display, head unit, LVDS cable, or camera module depending on stored faults and reproducibility. Low-voltage battery health should also be checked because undervoltage can trigger repeated module resets.

Owner tips & cautions

  • TipBefore replacing hardware, owners recommend checking for pending software updates and documenting the exact conditions when the screen fails so the dealer can reproduce it.
Typical repair cost:$250 - $2,200

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
High Confidence

On the 2021-2024 Mercedes-Benz E-Class, a number of late-model E-Class owners reported hard starting, long crank times, hesitation, and occasional stalling traced to low-pressure fuel supply faults, including in-tank fuel pump or delivery module issues. Mercedes service literature for related models and owner reports point to intermittent fuel pressure loss rather than a high-pressure pump problem in some cases. Symptoms can be sporadic at first and become a complete no-start as the pump weakens.

This issue also affects: Mercedes-Benz AMG GT, Mercedes-Benz G-Class, Mercedes-Benz GLB

Common Symptoms

  • Extended cranking
  • Intermittent no-start
  • Engine stalling
  • Hesitation on acceleration
  • Reduced power
  • Whining noise from fuel tank area

How to Fix

Measure low-side fuel pressure during crank and under load, compare commanded versus actual values, and inspect pump current draw and fuel pump control operation. Repair usually involves replacing the in-tank fuel pump/delivery module and sealing ring, then clearing adaptations and verifying pressure stability on a road test. If contaminated fuel is suspected, inspect the tank and filter components as well.

Owner tips & cautions

  • TipOwners recommend not ignoring occasional long-crank events; capturing fuel pressure data early can prevent getting stranded later.
Typical repair cost:$900 - $1,800

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium Confidence
🔧
A mechanic who knows YOUR exact car
Answers tuned to your year, make, model & trim — not generic advice. Save your garage so it always has the right context.
Get ahead of Mercedes-Benz E-Class problems — free
Leave your email and we'll alert you the moment there's a new recall or known issue for your Mercedes-Benz E-Class. Free, no account needed.

Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.

Other Mercedes-Benz Models

Mercedes-Benz GLE24Mercedes-Benz GLS23Mercedes-Benz Sprinter22Mercedes-Benz A-Class22Mercedes-Benz GLC22Mercedes-Benz CLA21

Frequently Asked Questions

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

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2023 Mercedes-Benz E-Class has 3 documented issues. The most frequently reported are: Fuel Pump Delivery Module Failure Leading to Extended Crank, Stalling, or No-Start, 48V Integrated Starter-Generator / DC-DC Converter Failure Causing Sudden Power Loss and No-Restart, MBUX / Instrument Cluster Black Screen, Rebooting, and Rear Camera Inoperative Due to Infotainment Software Faults. Of these, 2 are rated critical and should be addressed promptly.

Is the Mercedes-Benz E-Class reliable?

The 2023 Mercedes-Benz E-Class has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: Fuel Pump Delivery Module Failure Leading to Extended Crank, Stalling, or No-Start and 48V Integrated Starter-Generator / DC-DC Converter Failure Causing Sudden Power Loss and No-Restart. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Mercedes-Benz E-Class problems?

Repair costs for known Mercedes-Benz E-Class issues range from $250 to $4,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Fuel Pump Delivery Module Failure Leading to Extended Crank, Stalling, or No-Start, typically costs $900-$1,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2021-2024 Mercedes-Benz E-Class Fuel Pump Delivery Module Failure Leading to Extended Crank, Stalling, or No-Start?

A number of late-model E-Class owners reported hard starting, long crank times, hesitation, and occasional stalling traced to low-pressure fuel supply faults, including in-tank fuel pump or delivery module issues. Mercedes service literature for related models and owner reports p… Repairs typically run $900-$1,800. Severity: high.

What is the 2021-2023 Mercedes-Benz E-Class 48V Integrated Starter-Generator / DC-DC Converter Failure Causing Sudden Power Loss and No-Restart?

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

Multiple owners of facelift W213 E-Class models with the M256 mild-hybrid system reported sudden warning messages, loss of charging, reduced power, stalling, or a no-start condition traced to the 48V system. Mercedes issued service communications and there are numerous owner comp… Repairs typically run $1,200-$4,500. Severity: high.

What is the 2021-2024 Mercedes-Benz E-Class MBUX / Instrument Cluster Black Screen, Rebooting, and Rear Camera Inoperative Due to Infotainment Software Faults?

Owners of 2021+ facelift E-Class cars frequently reported MBUX display freezes, black screens, spontaneous reboots, loss of audio/navigation, and backup camera malfunctions. Mercedes has issued software-related service information for MBUX and camera behavior, and NHTSA complaint… Repairs typically run $250-$2,200. Severity: medium.