2016–2022. Coupé C253. 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.
A GLC C253. Shown to help you confirm the generation — trim, lights and bumpers vary within it.CC0 · Wikimedia Commons
Every part
Parts for the C253
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 GLC C253 (2016–2022) 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 C253 was built 2016–2022. Two GLC 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. The GLC Coupé. Mechanically the X253; the roofline, tailgate, rear glass and rear lighting are specific to it.
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.
Other GLC generations: X253(2015–2022) · X254(2022–present) · C254(2023–present)
Which engine do you havebadge on the boot to engine code
Which engine do you have
Engines fitted to the C253
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
GLC 200 / GLC 250 / GLC 300
M274
2.0 turbo
petrol
GLC 200 EQ Boost
M264
1.5–2.0 turbo mild hybrid
petrol
AMG GLC 43
M276
3.0 V6 biturbo
petrol
AMG GLC 63 / 63 S
M177
4.0 V8 biturbo
petrol
GLC 220 d / GLC 250 d
OM651
2.1 turbo
diesel
GLC 300 d / GLC 350 d
OM654
2.0 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 C253
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 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.
Camshaft tone ring slips
M274
Check engine light and a timing-implausible code, often with no noise and no obvious running fault.
The tone ring can turn independently of the camshaft it is mounted on, so the sensor reports a timing position the engine is not actually in. The chain and the adjuster can both be perfectly good — which is why this one gets misdiagnosed as a chain job and paid for twice.
Rattle on start-up, or a timing code after a period of extended oil intervals.
The pin that keeps the adjuster gear located wears or breaks, letting the adjuster move when it should not. The adjuster is replaced rather than repaired.
Cold-start rattle from the secondary chain tensioners
M276
A rattle of a second or two on start-up, then silence.
Oil does not reach the secondary tensioners quickly enough at start-up. The proper fix is the revised tensioners together with check valves to hold oil in the circuit — fitting new tensioners alone often brings the noise straight back.
Check engine light, rough running, and a camshaft position code — usually on the intake side.
An internal pin inside the adjuster wears down and lets it skip. On most M276 engines it is the intake adjusters that go. Poor oil quality and long intervals bring it on sooner. The tone wheel on this engine can also rotate on the camshaft and throw the same sort of code with the chain intact.
Check engine light, and an oil pump code from a scan.
The usual failure is electrical rather than mechanical — a broken wire inside the oil pan, not a seized pump. That matters enormously to the price, so establish which it is before ordering a pump.
Oil leaks, a misfire under load, or rough cold running with poor economy.
Same PCV-driven oil leaks as the M176. On top of that, ignition coils fail with age, and because this is direct injection there is no fuel washing the intake valves — carbon builds on them and is cleaned mechanically rather than with an additive. Timing chain stretch is reported on higher-mileage engines.
OM651Reported from around 150,000–180,000 km on 220 CDI cars
Loss of power, limp mode, smoke, or a whistle that changes with load.
A known wear-out on the higher-mileage diesels rather than a design defect. Worth checking the oil feed and the intake side before fitting a turbo — a turbo that failed because of oil starvation will fail again.
Rough idle, hard starting, a diesel smell, or a rattle from the front of the engine.
The common diesel trio on this engine: injectors and their seals, chain and tensioner wear, and a fuel filter housing that leaks. Injectors are coded to the engine and usually to the cylinder, so the codes have to be written to the ECU after fitting — the part on its own does not finish the job.
A DPF or AdBlue warning, limp mode, or repeated regeneration.
Timing chain noise, injector faults, EGR and DPF blockage, AdBlue system trouble and sensor-related running faults are the familiar cluster on this engine. These parts are the most engine-specific on the car, so the engine code has to be right before anything is ordered.
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 C253 GLC?
2016–2022. Body variants: Coupé C253. 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 C253?
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.