X166
Mercedes-Benz GLS2000–2025
Coupe / SUV body · 6 engine variants · in stock and couriered from Centurion.
- Parts in stock
- 58
- Categories
- 19
- Engines
- 6
3-month parts warranty
Cover on every used part we dispatch.
Nationwide courier
Courier Guy & Aramex — door to door.
Fitment guaranteed
Send your VIN — we confirm before you pay.
Bench-tested
Inspected and tested before dispatch.
X166 fitment
| Model | Years | Engines | Body styles |
|---|---|---|---|
| GLSX166 | 2000–2025 | M157, M276, M278, M642, M651, OM642 | Coupe, SUV |
Engines fitted to the X166
Parts by category
Engine Parts
9 partsBrowse X166Air Suspension
7 partsBrowse X166Fender Liners
7 partsBrowse X166Headlight Casings
5 partsBrowse X166Headlight Lenses
4 partsBrowse X166Control Modules
3 partsBrowse X166Grilles
3 partsBrowse X166PDC Sensors
3 partsBrowse X166Side Mirrors
3 partsBrowse X166Fenders
2 partsBrowse X166Fuel Pumps
2 partsBrowse X166Washer Nozzles & Covers
2 partsBrowse X166Window Switches
2 partsBrowse X166ABS Sensors
1 partBrowse X166Bonnets
1 partBrowse X166Control Arms
1 partBrowse X166Electrical Parts
1 partBrowse X166Filters
1 partBrowse X166Splash Trays
1 partBrowseFeatured X166 parts
W166
W164
W164
W166
W204
W176
W164
W166
W205
W212
W176
W166Common X166 faults
Documented issues we see most often when stripping X166 cars. Use it to scope your enquiry — knowing the fault speeds up the quote.
M157
Timing chain stretch and tensioner failure on early units, particularly catastrophic given interference design
M276
Timing chain tensioner failure (early production), addressed by Mercedes via revised check valve and tensioner design
M278
Timing chain tensioner wear and oil starvation on cold start, particularly on pre-2015 units
OM642
Oil cooler O-ring seal leaks at the valley pan, requiring removal of the turbo and intake to replace (12-20 hours labour)
Buying used Mercedes parts shouldn't be guesswork
Our workshop team writes plain-English guides on chassis codes, engine families and fitment — so you enquire on the right part the first time.
Read all guides
Send your VIN — we'll match the part
The X166 had multiple build revisions across 2000–2025. Drop your VIN with the quote and we confirm the exact part number before you pay.
Tell us the X166 part you need
Three short steps. We reply within two hours during business hours with availability, condition grade and a delivered price — direct from our Centurion yard.
- VIN-confirmed fitment before you pay
- 3-month parts warranty included
- Couriered nationwide via Courier Guy / Aramex
Prefer WhatsApp? Message us on 082 934 8802.
GLS X166 — what we stock
The Mercedes-Benz GLS X166 is one of the most-stripped chassis in our Centurion yard, with 58 catalogued parts spanning 19 categories. Production ran 2000–2025, and South African examples cover both pre-facelift and facelift trims across the coupe / suv body styles.
We hold the highest stock against engine parts, air suspension and fender liners for the X166, with engine codes M157, M276, M278, M642 all represented in our catalogue. Whether you need OEM or quality aftermarket, every used X166 part we dispatch is bench-tested or visually graded before it leaves our workshop.
Owners typically replace parts after M157, M276, M278 wear items reach end of life — see the common-faults panel below. Send us your VIN and we confirm fitment in writing — no guesswork on chassis revisions or year-specific brackets. Quotes typically come back within two hours during business hours, and we courier nationwide via Courier Guy and Aramex from our Centurion premises.
Browse the categories below to see what's in stock for your X166, or skip straight to the quote form — tell us the part, give us the chassis, and we match it to inventory the same day.
X166 questions
Door-to-door courier from R 199
All major SA cities · 1–3 working days · Insured shipping on every order · Couriered from Centurion