BestCarRank
Mercedes-Benz

2021 Mercedes-Benz G 550

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2021 Mercedes-Benz G 550 has 11 owner complaints filed with NHTSA — that's 0.1x the segment average of 80. The most common issue is electrical problems (27% of all complaints), specifically: while pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. power steering and throttle were completely dead leaving me powerless in traffic. i pulled to the shoulder of the road, plac. ⚠️ 2 fire reports filed.

2 fire reports 2 crash reports 30 injuries

11

Total Complaints

0

Recalls Issued

/5

Safety Stars

0.1x

vs Segment Avg

Known Problems

ELECTRICAL

3 complaints
27%
  • While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac
  • Driving 2021 Mercedes-Benz G-550 for approximately 8min. Preceding East on a 3 lane South Florida Highway no more than 40 mph. Gas tank 75% full with V-Power From Shell. (filled-3 days prior). Proceeded from the middle lane to the right lane in-order to make a sharp right handed turn onto up coming
  • Shortly after purchasing a new Mercedes Benz 2021 G550 on [XXX], the SUV started having electrical problems. During early 2022 the vehicle shut off while at a red light and would not restart until a few minutes later. No warning light or error message was seen and when taken to the dealership they c
Typical onset: 50K miles Est. repair: $500

While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac

— NHTSA complaint filing

ENGINE

3 complaints
27%
  • While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac
  • Driving 2021 Mercedes-Benz G-550 for approximately 8min. Preceding East on a 3 lane South Florida Highway no more than 40 mph. Gas tank 75% full with V-Power From Shell. (filled-3 days prior). Proceeded from the middle lane to the right lane in-order to make a sharp right handed turn onto up coming
  • Shortly after purchasing a new Mercedes Benz 2021 G550 on [XXX], the SUV started having electrical problems. During early 2022 the vehicle shut off while at a red light and would not restart until a few minutes later. No warning light or error message was seen and when taken to the dealership they c
Typical onset: 50K miles Est. repair: $500

While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac

— NHTSA complaint filing

SPEED CONTROL

1 complaints
9%
  • While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac
Typical onset: 50K miles Est. repair: $500

While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac

— NHTSA complaint filing

FUEL SYSTEM

1 complaints
9%
  • Driving 2021 Mercedes-Benz G-550 for approximately 8min. Preceding East on a 3 lane South Florida Highway no more than 40 mph. Gas tank 75% full with V-Power From Shell. (filled-3 days prior). Proceeded from the middle lane to the right lane in-order to make a sharp right handed turn onto up coming
Typical onset: 50K miles Est. repair: $500

Driving 2021 Mercedes-Benz G-550 for approximately 8min. Preceding East on a 3 lane South Florida Highway no more than 40 mph. Gas tank 75% full with V-Power From Shell. (filled-3 days prior). Proceeded from the middle lane to the right lane in-order to make a sharp right handed turn onto up coming

— NHTSA complaint filing

SUSPENSION

1 complaints
9%
  • Authorization failed Limited access is the reason there recalled I can't pair ⁶
Typical onset: 50K miles Est. repair: $500🔥 1 fire reports💥 1 crashes

Authorization failed Limited access is the reason there recalled I can't pair ⁶

— NHTSA complaint filing

Estimated Repair Costs

ELECTRICAL(~50K mi)
$500
ENGINE(~50K mi)
$500
SPEED CONTROL(~50K mi)
$500
FUEL SYSTEM(~50K mi)
$500
SUSPENSION(~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:

  • ELECTRICAL: While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac

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

  • ENGINE: While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac

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

  • SPEED CONTROL: While pulling away from a red light, the vehicle jolted a small amount, then it shut down, only providing power to the dashboard, which produced an array of safety warnings. Power steering and throttle were completely dead leaving me powerless in traffic. I pulled to the shoulder of the road, plac

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

  • FUEL SYSTEM: Driving 2021 Mercedes-Benz G-550 for approximately 8min. Preceding East on a 3 lane South Florida Highway no more than 40 mph. Gas tank 75% full with V-Power From Shell. (filled-3 days prior). Proceeded from the middle lane to the right lane in-order to make a sharp right handed turn onto up coming

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

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

Mercedes-Benz G 550 — Year Comparison

How does 2021 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
2
Crash reports
2
Injury reports
30
Segment avg
80

Check a Specific VIN

See recalls for YOUR 2021 Mercedes-Benz G 550