L
Luxury Cars Guide
Mercedes-AMG E63 W213: Reliability, Issues & Running Costs
Forensic Data Source

Mercedes-AMG E63 W213: Reliability, Issues & Running Costs

"Before you commit to the Mercedes-AMG E63 W213, you need to understand its complete reliability profile  Ethe good, the bad, and the potentially catastrophic. This data-driven guide gives you the full picture."

March 10, 2026
Reliability Score: 75 /100
Risk Score: 4/10

Engine

7/10

Gearbox

7/10

Electric

6/10

Total Risk

4/10

Quick Verdict

Buy with Caution

Expect significant running costs. Manageable if preventative maintenance is done.

Risk Level Medium
Annual Cost $3,000 - $5,000
Worst Case $10,000+
Major Risk See below

Reliability Verdict

The E63 W213 is arguably the greatest performance estate in production. The M177 engine reliability profile is identical to the C63 —he oil separator is the primary ownership risk. The E63 adds 4MATIC+ drivetrain complexity and optional air suspension, both of which can generate additional bills. The estate body means it is often used for family/estate duty —eavier loads, more suspension stress.

Executive Intelligence Summary

Mercedes-AMG E63 W213 reliability guide. M177 4.0T V8 oil separator failure, 4MATIC+ AWD system, estate wagon ownership costs and year-by-year analysis.

Reliability Score 75/10
Max Repair Risk HIGH

Mercedes-AMG E63 W213 Reliability: The Ultimate Practical Supercar

The Mercedes-AMG E63 W213 is a special kind of madness. It is an estate wagon —ll the family practicality of a Volvo —ith a 603 hp M177 twin-turbo V8, 4MATIC+ all-wheel drive, and a 0 E time of 3.3 seconds.

It is also one of the most capable all-weather performance cars ever made.

Reliability-wise, the M177 engine tells the same story as in the C63. But the E63 adds AWD complexity and optional air suspension to the equation.


1. What Makes the E63 Different from the C63

FactorC63 W205E63 W213
EngineM177 469 E3 hpM177 571 E3 hp
AWDRear-wheel drive4MATIC+ (switchable to RWD)
BodySedan or CoupeSedan or Estate (Wagon)
Suspension optionFixed dampersOptional AIRMATIC air suspension
Weight~3,900 lbs~4,400 lbs (estate)

The E63 S Estate is the flagship  E03 hp, air suspension, all four seats usable, and a boot big enough for strollers. It is also heavier, which means brakes and tires work harder.


2. Engine: Same M177, Same Separator Risk

The E63 uses a higher-output tune of the M177. Same physical engine, same oil separator vulnerability, same valve cover and cooling risks. See the Mercedes-AMG C63 Reliability: Common Problems & Repair Cost Guide ($3,000 - $4,500+) for the full technical breakdown.

Key data for E63 owners:

  • Oil separator failure: $8,000 E2,000 engine-out service.
  • Typical mileage: 55,000 E,000 miles.
  • Detection: multiple simultaneous oil leaks from different locations.

3. 4MATIC+ AWD System

The E63’s defining drivetrain feature is 4MATIC+ —n electronically controlled all-wheel drive system that can send 100% of power to the rear for “Drift Mode.”

  • Transfer case seals: As with all AWD systems, the PTU (power transfer unit) input and output seals leak over time, typically starting at 60,000+ miles.
  • Cost: $1,500 E,000 for seal replacement and fluid refresh.
  • Prevention: Change transfer case fluid every 30,000 miles despite “lifetime” Mercedes recommendation.

4. Optional Air Suspension (AIRMATIC)

The E63 Estate is commonly specified with Mercedes’ AIRMATIC air suspension system.

  • Failure mode: Air strut rubber bladders degrade over 5 Eyears. Corner sag is the first sign.
  • Compressor burnout: If one corner sags and the car keeps driving, the compressor runs continuously and burns out.
  • Cost: $2,500 E,000 for a full system refresh, depending on how many corners need replacement.
  • Prevention: Do not ignore a sagging corner. Address immediately.

5. Year-by-Year W213 Reliability

YearKey NoteRating
2017First year; best avoided (early calibration)Fair
2018Software matured; best early valueGood
2019Peak production; most Parts availableGood
2020Mild refresh; same mechanicalsGood
2021Excellent long-term choiceVery Good
2022 ELow mileage used market; strong valueVery Good

6. Annual Ownership Cost

ItemCost
Annual service (oil, filters, inspection)$1,500  E,500
Brakes (front axle, amortized)$1,500  E,500
Tires (set of 4, AMG sizing)$1,800  E,800
Transfer case fluid (every 30k)$400
Annual Total$5,200  E,200

Plus oil separator reserve: $8,000 E2,000 (one-time, expected at ~60k miles).


7. The “Shoot-Out” Verdict: E63 vs M5

The E63 Estate vs BMW M5 Touring (F91) is the classic practical performance comparison.

FactorE63 EstateM5 Touring
Engine failure riskOil SeparatorLow (S63TU4)
AWD4MATIC+ (superior)xDrive
InteriorMercedes luxuryBMW sport
Annual running costHigher (separator)Lower (TU4 improved)
Best forLuxury, comfortDriver focus

8. Buying Checklist

  1. Oil separator: inspect valley for residue on any car over 55k miles.
  2. Air suspension: cycle between heights and listen for compressor noise.
  3. 4MATIC transfer case: check underside for PTU fluid seepage.
  4. Tires: check for even wear across all four corners.
  5. Service history: demand records showing sub-7,500-mile oil changes.

The Reality Layer: What Owners Underestimate

Buying Mercedes-AMG E63 W213 is often driven by emotion, but keeping it on the road requires cold, hard logic. The dealership service center will not volunteer this information, but specialist independent mechanics know the truth:

  • The Component Labor Trap: Engineering density means simple parts (sensors, plastic coolant fittings) require days of labor to reach. A $50 part often results in a $3,000 labor bill.
  • The “Lifetime Fluid” Myth: Manufacturers claim transmissions and differentials use “lifetime” fluids to keep estimated maintenance costs artificially low for the first owner. To avoid a $10,000+ rebuild, you must change these fluids every 40,000 miles.
  • Cascading Failures: When an air suspension strut leaks, the compressor burns out trying to keep the car level. Ignoring a warning light for 48 hours on a Mercedes can easily double the final repair invoice.

Caution

The Worst-Case Scenario: If you suffer a catastrophic failure without a comprehensive warranty or a dedicated $10,000+ emergency repair fund, you will be forced to sell the vehicle mechanically totaled at a massive loss.

Free Download

Unlock the $10,000 Pre-Purchase Inspection Checklist

Don't buy a used luxury car blind. Get the exact forensic checklist used by independent specialists to catch catastrophic failures before you sign the title. Enter your email to download the PDF instantly.

100% Privacy. No spam ever.

The Final Decision: Worth It?

Worth it if:

  • You have a trusted, brand-specialized independent mechanic.
  • You maintain a strict $5,000-$10,000 liquid repair reserve.
  • You value the driving experience over strict financial rationality.

Not worth it if:

  • You are stretching your budget just to afford the purchase price.
  • You rely exclusively on the dealership network for out-of-warranty maintenance.
  • You expect Toyota-like reliability and predictable ownership costs.

Executive Buying Advice

Check 4MATIC+ unit for fluid seepage. Verify air suspension corners all raise/lower evenly and compressor activates quietly. Apply same oil separator checks as C63 —nspect valley for oil residue on any car over 55k miles.

Up Next: Mercedes Intelligence

Continue your forensic research into Mercedes reliability

Discover More Reliability Intelligence

View Technical Glossary →