2002–2009. Saloon W211, estate S211. Tell us the chassis number and what the car is doing, and we will come back with the part, the price and the lead time.
An E-Class W211. Shown to help you confirm the generation — trim, lights and bumpers vary within it.Public domain · Wikimedia Commons
Every part
Parts for the W211
All 415 parts across 16 systems, from brake discs to AIRMATIC struts. Search it, or open the system that matches what the car is doing — the symptom is written on every one.
415 parts across 16 systems
Brakes31 parts+
Everything that slows and stops the car.
You are here because: Squealing or grinding when braking, a soft or long pedal, a brake warning light, or pulling to one side under braking.
To quote this we need: Front or rear, and whether the car has the sports or AMG brake package — the disc diameter changes with it.
What holds the wheels to the car, absorbs the road, and points the car where you steer.
You are here because: Knocking over bumps, the car sitting low on one corner, wandering or heavy steering, uneven tyre wear, or an AIRMATIC warning.
To quote this we need: Whether the car is on steel springs or air suspension. On Mercedes this changes the part completely and it is the most common mis-order.
The sensors the car reads and the modules that decide what to do about them.
You are here because: A warning light with no obvious fault, a fault code from a scan, windows or locks that stop working, or intermittent electrics.
To quote this we need: The fault code if a garage has scanned it. Many modules must be coded to the car after fitting — that is a job as well as a part.
Seeing and being seen — and on a modern Mercedes, one of the most expensive things to replace.
You are here because: A cracked or fogged light, a bulb out, condensation inside the unit, or a lighting fault on the dash.
To quote this we need: Whether the car is halogen, xenon or LED, and pre- or post-facelift. Lights change inside a generation more than any other part.
Panels, glass and trim — what an accident, a car park or the sun damages.
You are here because: Accident damage, a dent or rust, a knocked-off mirror, peeling trim, or a cracked screen.
To quote this we need: A photograph, the chassis code and the paint code. Paint code is on the data sticker; panels are usually supplied primed, not painted.
Everything inside the cabin, including the parts the Gulf sun destroys first.
You are here because: A cracked or sticky dashboard, a sagging roof lining, a broken switch or handle, worn seat bolsters, or a rattle from the trim.
To quote this we need: Trim colour and code from the data sticker. The same part is made in several finishes and they are not interchangeable to look at.
Complete assemblies from stripped cars, where a new part is not proportionate to the job.
You are here because: An expensive assembly has failed on an older car, or an insurance repair has to be done at a price that makes sense.
To quote this we need: Chassis number and a photograph. We will say plainly whether a part is new or used — a used part sold as new is not a saving, it is a problem later.
These are the parts a Mercedes-Benz E-Class W211 (2002–2009) is built from, not a stock list. We source genuine, OEM and aftermarket and will price them side by side — send the chassis number and we will confirm the exact part before anything is ordered.
The detail on this car
Make sure this is your carchassis code, years and body variants
Make sure this is your car
The W211 was built 2002–2009. Two E-Class cars a year apart can be different generations and share almost no parts, so the chassis code — not the model name and not the year — is what decides fitment.
Worth knowing. Pre-facelift cars (2002–2006) carry SBC electro-hydraulic braking. The pump is a counted-life wear item and Mercedes extended cover on the system to twenty-five years with no mileage limit — check that before paying for one. AIRMATIC was widely fitted.
Not sure which one you have? Read the chassis number off your mulkiya, or from the base of the windscreen on the driver's side. Send us all seventeen characters and we will tell you the generation, the body and usually the engine. How to read it.
Which engine do you havebadge on the boot to engine code
Which engine do you have
Engines fitted to the W211
Find the badge on the boot of your car in the left column. The code beside it is what we order parts against — several groups below need it, and emissions parts need it most.
Badge on the car
Engine code
Engine
Fuel
E 200 Kompressor / E 200 NGT
M271
1.8 supercharged
petrol
E 230 / E 280 / E 350 / E 350 CGI
M272
2.5–3.5 V6
petrol
E 240 / E 320
M112
2.6–3.2 V6
petrol
E 500 (5.0)
M113
5.0 V8
petrol
E 500 / E 550 (5.5)
M273
5.5 V8
petrol
E 55 AMG
M113
5.4 V8 supercharged
petrol
E 63 AMG
M156
6.2 V8
petrol
E 200 CDI / E 220 CDI
OM646
2.1 turbo
diesel
E 270 CDI
OM647
2.7 straight-five turbo
diesel
E 280 CDI / E 320 CDI (early)
OM648
3.2 straight-six turbo
diesel
E 280 / E 320 CDI / E 300 / E 320 BlueTEC (later)
OM642
3.0 V6 turbo
diesel
E 400 CDI
OM628
4.0 V8 turbo
diesel
E 420 CDI
OM629
4.0 V8 turbo
diesel
Not every engine reached every market — the UAE range is predominantly petrol. If your badge is not listed, or the car has been re-badged, the engine code is stamped on the block and printed on the data card; send the chassis number and we will read it off that instead.
What goes wrong on this carresearched per engine, with sources
Known faults
What goes wrong on the W211
Researched per engine and per chassis, with the source shown against each one. If what your car is doing is on this list, you already know roughly what you are buying.
On the W211 itself
Faults that belong to the car rather than to whichever engine is in it.
SBC (Sensotronic) brake pump failure
Saloon and estate built 2002–2006, the pre-facelift cars
"Brake defective — stop vehicle", reduced braking, or a complete loss of assistance.
SBC counts brake applications and the pump is predicted to fail somewhere between 200,000 and 300,000 of them. This is a braking system, not a convenience feature — a failed pump means reduced or no braking. Mercedes extended cover on the SBC system to 25 years with no mileage limit, so check that before paying for anything.
The back of the car sitting down overnight, or one rear corner lower than the other.
The rear air springs are the most common AIRMATIC failure on this chassis. One corner down is almost always the bag rather than the compressor — but a bag that has been leaking for months will normally have worn the compressor out too, so check both before quoting one.
These are known faults, not your car’s faults. Plenty of these cars never see any of them, and several of the faults above look identical from the driver’s seat while needing completely different parts. Have it scanned, send us the codes and the chassis number, and we will quote what it actually needs rather than what it might.
On the engines fitted to it
Check the engine code against the badge on your boot in the table above — a fault on one engine tells you nothing about the others.
Timing chain tensioner leaks down
M271Commonly on W204-era cars; gets worse, not better
A metallic rattle for a second or two on a cold start, worst after the car has stood overnight.
The hydraulic tensioner does not hold oil once the engine is switched off, so the chain is slack at the moment of start-up. Left alone it fatigues the chain and can eventually jump timing, which turns a tensioner job into an engine job.
The car starts fine cold but will not start when hot, or runs rough once warmed through.
The adjuster solenoids misbehave at temperature, and their passages are narrow enough to clog with sludge from long oil intervals. On a chain job the adjusters are a replacement item — not something to leave in because they look alright.
M2722005–2007 cars inside specific engine serial ranges
Check engine light, and a camshaft-to-crankshaft correlation code from a scan.
The early sintered gear was too soft and wears out. In late-stage failure it breaks up and sends metal debris through the oil system. The engine has to come out to do it, which is why the diagnosis matters before anyone starts buying parts — check the engine serial number first.
Codes a scan would show: P0016, P0017, P0018, P0019
The variable-length intake runs small flaps on vacuum actuators, and the plastic gears inside the actuator motor strip. There is also a linkage inside the manifold that can come apart, and a rubber hose that perishes — both need the plenum stripped, so it is one job whichever it turns out to be.
On this family the head gasket itself rarely fails. Almost every time, it is one or both of the two large rubber O-rings that seal between the timing case and the block. Worth knowing before anybody quotes you for head gaskets: it is the cheaper diagnosis and the far commoner one.
Oil and coolant mixing, or a coolant leak at the front of the engine.
Shares the M112's two failure points: the timing case O-rings rather than the head gasket, and a thermostat housing gasket that leaks at the front. Both are age rather than mileage. Otherwise this and the M112 are generally regarded as the most reliable Mercedes engines of their era, so a well-kept one is worth repairing.
M2732005–2007 cars inside specific engine serial ranges
Check engine light with a camshaft correlation code — the V8 version of the M272 balance shaft fault.
Same root cause as the M272 balance shaft gear: a sintered gear with inadequate wear characteristics in early production. Same engine-out repair. Confirm the engine serial before committing to parts.
Codes a scan would show: P0016, P0017, P0018, P0019
M156Cars up to model year 2012; revised bolts fitted after engine number 60658
Coolant loss with no visible leak, or coolant getting into the combustion chamber.
The original head bolts are prone to snapping at the head, which lets coolant past. Mercedes redesigned them. The engine number decides whether a given car has the old bolts or the revised ones, so read it before assuming.
M156Most camshafts show wear by around 100,000 miles
A tick or tap from the top end, and metal in the oil.
Sub-grade cast nodular iron camshafts against 9310-grade steel lifter buckets. It is the left and right intake camshafts that go first, and once a lobe wears through it eats the lifter under it. On this engine camshaft replacement is treated as maintenance rather than as a failure.
Swirl flaps — the one to deal with before it happens
OM646
Loss of power, limp mode, or an intake fault code.
Swirl flap failure is the most potentially catastrophic thing on this engine, because a broken flap goes into the cylinder. It is worth addressing on any used purchase regardless of mileage rather than waiting for a symptom. The arm connection is the weak point in the design.
Rough running, smoke, a turbo whine, or repeated regeneration.
Injector seals go and must be replaced whenever an injector is out. The EGR clogs and the DPF blocks. The turbo on this engine is centre-mounted and NOT oil-cooled like the later ones, so long oil intervals show up as shaft play or a blocked feed line. Most failures on this engine are neglect rather than design — a serviced one will do 250,000 to 300,000 miles.
Power loss, limp mode, or a tar-like deposit around an injector.
The five-cylinder sits between the OM646 and OM648 and shares both their weak points: the swirl flap mechanism and the injector seals. Replace the seals whenever an injector is disturbed.
The straight-six version of the same swirl flap and EGR problem as the OM646, and hard starting on these is commonly traced to the flap mechanism rather than to glow plugs or injectors. Worth checking in that order, cheapest first.
Oil leaking from the back of the engine, often mistaken for a rear main seal, and oil dripping onto the gearbox.
The oil cooler sits in the V of the engine and its seals cook. Mercedes moved to Viton seals as the factory standard in 2010 for exactly this reason. The seals themselves are cheap; the published book time for the job is 12.3 hours, which is the entire story of this repair — quote the labour, not the O-ring.
Engine management light and the car refusing to rev past roughly 3,000 rpm.
The swirl flap motor sits below the turbo. Oil from a leaking turbo seal runs down into its electrics and kills it. Replacing the motor without finding where the oil came from buys the same fault again.
Turbo actuator failure and the turbo inlet pipe seal
OM642
Limp mode, no boost, or a boost-deviation code under load.
The actuator is one of the most common failures on this engine. The red turbo inlet pipe seal is the other — most of the time it has either been fitted wrongly or has swollen and never been changed, and it can take the inlet port shut-off motor with it.
These are known faults, not your car’s faults. Plenty of these cars never see any of them, and several of the faults above look identical from the driver’s seat while needing completely different parts. Have it scanned, send us the codes and the chassis number, and we will quote what it actually needs rather than what it might.
If it is the gearbox
Mercedes fitted the five-speed, seven-speed and nine-speed automatics across overlapping years, so we read the gearbox code off your data card rather than guessing it from the model year. If yours is a 722.9, this is the fault to know about.
722.9 conductor plate and valve body
Harsh or jerky changes, holding a gear too long then slamming into the next, or dropping into limp mode.
The conductor plate is the control module mounted on the valve body. When it breaks down internally it can no longer read input shaft speed properly, so it cannot judge torque converter slip and the lock-up goes wrong — which is what you feel. It usually starts intermittent and always becomes permanent. The other failure is mechanical wear in the valve body bores, and the two feel the same, so diagnose before buying: one is a module and the other is a valve body.
These are known faults, not your car’s faults. Plenty of these cars never see any of them, and several of the faults above look identical from the driver’s seat while needing completely different parts. Have it scanned, send us the codes and the chassis number, and we will quote what it actually needs rather than what it might.
Questions we get askedchassis number, genuine or aftermarket, lead times
Questions we get asked
Which years is the W211 E-Class?
2002–2009. Body variants: Saloon W211, estate S211. Cars built in a changeover year can be either generation, so if yours sits on the boundary send the chassis number and we will confirm which one it is before anything is ordered.
How do I find my chassis number?
In the UAE the quickest place is your mulkiya — the vehicle registration card. On the car it is at the base of the windscreen on the driver's side, and on the sticker inside the driver's door jamb. It is seventeen characters and all of them matter.
Do you supply genuine, OEM or aftermarket parts?
All three, and which one makes sense depends on the part and the car. A wear item on a high-mileage car rarely justifies a genuine price; a sensor or a control module usually does. Tell us the part and the car and we will price the options side by side rather than choosing for you.
Can you supply used parts?
For body panels, lights, interior trim and some assemblies, yes. For wear items and safety parts we will normally recommend new. We will say which we are quoting — a used part sold as new is not a saving, it is a problem later.
How long does it take?
Parts held in the UAE are usually same or next day. Anything ordered in takes longer and we will tell you the lead time with the price, before you commit, rather than after.
Get in touch
Need a part for a W211?
Send the chassis number and a photograph of the part or the damage. We will come back with the options — genuine, OEM or aftermarket — with prices and lead times side by side.
