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Mercedes-Benz

2023 Mercedes-Benz EQS 450+

Problems, Recalls & Reliability Report

Average

Quick Summary

The 2023 Mercedes-Benz EQS 450+ has 15 owner complaints filed with NHTSA — that's 1.0x the segment average of 15. The most common issue is electrical problems (40% of all complaints), specifically: car stopped abruptly on a two lane highway and a flashing warning came up that said electrical failure. car jerked to a stop. had to be towed to the dealership. very dangerous. a friend has the same car and it happened to him twice. the cars do not need to be on the road until absolutely correc. There are 3 recalls issued for this model year.

3 crash reports 7 injuries

15

Total Complaints

3

Recalls Issued

/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 7)

ELECTRICAL

6 complaints
40%
  • Car stopped abruptly on a two lane highway and a flashing warning came up that said electrical failure. Car jerked to a stop. Had to be towed to the dealership. Very dangerous. A friend has the same car and it happened to him twice. The cars do not need to be on the road until absolutely correc
  • 2023 Mercedes EQS 450 Normal Recuperation driving around 40 mph suddenly the brakes were applied and seat belts engaged with no apparent reason or obstacle. It was for a second and released so no damage except the scare and jolt of the brake. The internet is full of discussions about this Phantom B
  • While traveling cross-country from Chicago, IL to San Diego, CA, my Mercedes-Benz EQS experienced a battery and system malfunction in Erick, Oklahoma at approximately 11:17 PM. At the time of the incident, the vehicle displayed approximately 93 miles of remaining range. I stopped to charge the vehic
Typical onset: 50K miles Est. repair: $500💥 1 crashes

Car stopped abruptly on a two lane highway and a flashing warning came up that said electrical failure. Car jerked to a stop. Had to be towed to the dealership. Very dangerous. A friend has the same car and it happened to him twice. The cars do not need to be on the road until absolutely correc

— NHTSA complaint filing

Recalls (3)

AIR BAGS:CRITICAL FASTENERS20/12/2024

Mercedes-Benz USA, LLC (MBUSA) is recalling a certain 2023 EQS 450+ vehicle. The mounting brackets near the roof may have sharp edges that can damage the side-curtain air bag during deployment. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 214, "Side Impact Protection," and 226, "Ejection Mitigation."

Risk: An air bag that is damaged during deployment can increase the risk of injury in a crash.

Fix: Dealers will inspect and if necessary, replace the window airbags, and mounting brackets, free of charge. Owner notification letters were mailed February 7, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025010005.

Estimated Insurance Cost for 2023 Mercedes-Benz EQS 450+

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$2,250
Full coverage / month
$188
Liability only / year
$710
vs US avg
+34%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (sedan-luxury)1.28x
× theft risk1.00x
× safety rating1.00x
× vehicle age1.05x
= Full coverage estimate$2250

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Mercedes-Benz EQS 450+ Service Intervals

Oil change
10K mi / 12 mo
Tire rotation
10K mi
Brake fluid
24 months
Transmission fluid
40K mi
Engine coolant
150K mi
Spark plugs
60K mi
Cabin air filter
20K mi
Engine air filter
40K mi
Differential (AWD/4WD)
40K mi

Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Mercedes-Benz New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
4 yr / 50K mi
Powertrain
4 yr / 50K mi
Hybrid/EV battery
10 yr / 155K mi
Corrosion (rust perforation)
4 yr / 50K mi
Roadside assistance
4 yr / unlimited mi

EQ EV battery warranty is 10 years/155,000 miles

Estimated Repair Costs

ELECTRICAL(~50K mi)
$500
DRIVER ASSIST/CAMERAS(~50K mi)
$500
BRAKES(~50K mi)
$500
SUSPENSION(~50K mi)
$500
FUEL SYSTEM(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 15 owner complaints for this specific year, here's what to check or ask about:

  • ELECTRICAL: Car stopped abruptly on a two lane highway and a flashing warning came up that said electrical failure. Car jerked to a stop. Had to be towed to the dealership. Very dangerous. A friend has the same car and it happened to him twice. The cars do not need to be on the road until absolutely correc

    Typically appears around 50K miles. Repair cost ~$500

  • DRIVER ASSIST/CAMERAS: 2023 Mercedes EQS 450 Normal Recuperation driving around 40 mph suddenly the brakes were applied and seat belts engaged with no apparent reason or obstacle. It was for a second and released so no damage except the scare and jolt of the brake. The internet is full of discussions about this Phantom B

    Typically appears around 50K miles. Repair cost ~$500

  • BRAKES: 2023 Mercedes EQS 450 Normal Recuperation driving around 40 mph suddenly the brakes were applied and seat belts engaged with no apparent reason or obstacle. It was for a second and released so no damage except the scare and jolt of the brake. The internet is full of discussions about this Phantom B

    Typically appears around 50K miles. Repair cost ~$500

  • SUSPENSION: Two weeks ago, I returned back from work and later on in the evening was driving to go to grocery store when the car seemed to get pulled to one side and started shaking when driving around 40MPH. Not knowing what was going on, I turned back and slowly drove it back home. Next morning, I thought may

    Typically appears around 50K miles. Repair cost ~$500

  • RECALLS: Verify all 3 recalls have been completed — free at any Mercedes-Benz dealer
  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Mercedes-Benz EQS 450+ — Year Comparison

How does 2023 compare to other years? Fewer complaints = more reliable.

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
15
Recalls
3
Fire reports
0
Crash reports
3
Injury reports
7
Segment avg
15

Check a Specific VIN

See recalls for YOUR 2023 Mercedes-Benz EQS 450+