BestCarRank
Mercedes-Benz

2015 Mercedes-Benz redundant S550E

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2015 Mercedes-Benz redundant S550E has 11 owner complaints filed with NHTSA — that's 1.0x the segment average of 11. The most common issue is other problems (27% of all complaints), specifically: my s550e trunk can remain unlocked and sometimes refuse to lock - resulting in compromising the security of the vehicle. there is something wrong in the state machine to lock the trunk. if the vehicle is in a locked state and the remote is used to lock the truck - it fails to do so..

2 crash reports

11

Total Complaints

0

Recalls Issued

/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 7)

OTHER

3 complaints
27%
  • MY S550E TRUNK CAN REMAIN UNLOCKED AND SOMETIMES REFUSE TO LOCK - RESULTING IN COMPROMISING THE SECURITY OF THE VEHICLE. THERE IS SOMETHING WRONG IN THE STATE MACHINE TO LOCK THE TRUNK. IF THE VEHICLE IS IN A LOCKED STATE AND THE REMOTE IS USED TO LOCK THE TRUCK - IT FAILS TO DO SO.
  • VEHICLE FAILS TO GO IN PARK AFTER DRIVING ON THE STREET AND ARRIVING AT THE GROCERY STORE.
  • ON 8/29/17 AROUND 11:20 - 11:30AM, I WAS DRIVING ON N270 JUST OFF FROM HOV LANE FROM S495 NEAR MONTROSE EXIT(LITTLE BIT BEFORE), SOME METALLIC ROUND WHEEL TYPE WITH SHARP EDGES AROUND FLEW OVER FROM S270. I TRIED TO AVOID IT BY SWERVE MY CAR BUT IT MUST HAVE LANDED BELOW MY CAR AND SCRATCHED UNDERNE
Typical onset: 50K miles Est. repair: $500

MY S550E TRUNK CAN REMAIN UNLOCKED AND SOMETIMES REFUSE TO LOCK - RESULTING IN COMPROMISING THE SECURITY OF THE VEHICLE. THERE IS SOMETHING WRONG IN THE STATE MACHINE TO LOCK THE TRUNK. IF THE VEHICLE IS IN A LOCKED STATE AND THE REMOTE IS USED TO LOCK THE TRUCK - IT FAILS TO DO SO.

— NHTSA complaint filing

Estimated Insurance Cost for 2015 Mercedes-Benz redundant S550E

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
$1,971
Full coverage / month
$164
Liability only / year
$710
vs US avg
+18%
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 age0.92x
= Full coverage estimate$1971

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

Maintenance & Warranty

Recommended Mercedes-Benz redundant S550E 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

These are the terms for a new Mercedes-Benz. If you're buying a used 2015 redundant S550E, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mercedes-Benz dealer for VIN-specific remaining warranty.

Estimated Repair Costs

OTHER(~50K mi)
$500
ELECTRICAL(~50K mi)
$500
FUEL SYSTEM(~50K mi)
$500
ELECTRONIC SYSTEMS(~50K mi)
$500
BRAKES(~50K mi)
$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 11 owner complaints for this specific year, here's what to check or ask about:

  • OTHER: MY S550E TRUNK CAN REMAIN UNLOCKED AND SOMETIMES REFUSE TO LOCK - RESULTING IN COMPROMISING THE SECURITY OF THE VEHICLE. THERE IS SOMETHING WRONG IN THE STATE MACHINE TO LOCK THE TRUNK. IF THE VEHICLE IS IN A LOCKED STATE AND THE REMOTE IS USED TO LOCK THE TRUCK - IT FAILS TO DO SO.

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

  • ELECTRICAL: VEHICLE FAILS TO GO IN PARK AFTER DRIVING ON THE STREET AND ARRIVING AT THE GROCERY STORE.

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

  • FUEL SYSTEM: ON 8/29/17 AROUND 11:20 - 11:30AM, I WAS DRIVING ON N270 JUST OFF FROM HOV LANE FROM S495 NEAR MONTROSE EXIT(LITTLE BIT BEFORE), SOME METALLIC ROUND WHEEL TYPE WITH SHARP EDGES AROUND FLEW OVER FROM S270. I TRIED TO AVOID IT BY SWERVE MY CAR BUT IT MUST HAVE LANDED BELOW MY CAR AND SCRATCHED UNDERNE

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

  • ELECTRONIC SYSTEMS: I WAS ON A SNOW COVERED ROAD IN MY NEIGHBORHOOD DRIVING ABOUT 10-15 MPH AND ATTEMPTED TO MAKE A RIGHT TURN. THE CAR KEPT GOING STRAIGHT AND SLID OFF THE ROAD. THE ESP STABILITY CONTROL AND ABS FAILED TO OPERATE AT THAT POINT. THIS WAS AFTER A RECENT REPROGRAMMING BY THE DEALER. THIS FUNCTION HAD

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

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Mercedes-Benz redundant S550E — Year Comparison

How does 2015 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
11
Recalls
0
Fire reports
0
Crash reports
2
Injury reports
0
Segment avg
11

Check a Specific VIN

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