MajorCommonSuspension

Mercedes-Benz E-Class: W211/W212 Airmatic Air Suspension Compressor and Strut Failure

W211/W212 Airmatic Air Suspension Compressor and Strut Failure is a common suspension fault on the Mercedes-Benz E-Class on the 2002–2016 cars, and we rate it major. Putting it right costs $800 to $5,000 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 23 documented faults on the Mercedes-Benz E-Class.

Vehicle: Mercedes-Benz E-Class
Years: 2002–2016
System: Suspension

This page covers the Mercedes-Benz E-Class as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Mercedes-Benz E-Class faults23 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the Air suspension strut or Shock absorber / strut yet. We would rather show none than show a picture of a different part.

What goes wrong

W211 and W212 E-Class models fitted with the Airmatic air suspension system suffer from air compressor motor burnout, air strut bladder leaks, and valve block solenoid failure. The compressor overworks to maintain ride height as struts leak, eventually burning out. Failed struts cause the vehicle to sag on one or more corners. Full system replacement of all four struts plus compressor is common on high-mileage examples. Conversion to passive coilover suspension is a cost-effective alternative.

What you would notice

Vehicle sitting low or uneven at one or more corners
Air suspension warning message on instrument cluster
Compressor audible running constantly or not running at all
Vehicle lowering noticeably after sitting overnight

How to check it

Where to look. Air compressor in engine bay or boot depending on variant, air struts at each corner, valve block on front axle subframe

Check ride height at all four corners before starting the vehicle.
Start engine and observe whether any sagged corner self-levels.
Scan chassis module for Airmatic fault codes.
Listen for compressor cycling more than briefly.
Inspect air strut bodies and air lines for cracking or disconnection at fittings.

Parts involved: Air suspension strut, Shock absorber / strut.

What it costs to put right

$800 to $5,000 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

“Is the air suspension standard or has it been converted to passive coilovers?”
“Has the compressor or any air struts been replaced?”
“Does the car sit level after being parked overnight?”

Now check the Mercedes-Benz E-Class you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.

Mercedes-Benz E-Class buyer questions

Is w211/w212 airmatic air suspension compressor and strut failure serious on a Mercedes-Benz E-Class?

We rate it major and common on the Mercedes-Benz E-Class. W211 and W212 E-Class models fitted with the Airmatic air suspension system suffer from air compressor motor burnout, air strut bladder leaks, and valve block solenoid failure. The compressor overworks to maintain ride height as struts leak, eventually burning out. Failed struts cause the vehicle to sag on one or more corners. Full system replacement of all four struts plus compressor is common on high-mileage examples. Conversion to passive coilover suspension is a cost-effective alternative.

How much does it cost to fix on a Mercedes-Benz E-Class?

$800 to $5,000 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which Mercedes-Benz E-Class years are affected?

Our research records this fault on the 2002–2016 Mercedes-Benz E-Class. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.

How do I check for it before I buy?

Check ride height at all four corners before starting the vehicle. Start engine and observe whether any sagged corner self-levels. Scan chassis module for Airmatic fault codes. Listen for compressor cycling more than briefly. Inspect air strut bodies and air lines for cracking or disconnection at fittings. Look here: Air compressor in engine bay or boot depending on variant, air struts at each corner, valve block on front axle subframe