Mercedes-Benz GLK maintenance by mileage
How often owners do it
Engine oil and filterevery 7,500 mi
Engine air filterevery 8,000 mi
Cabin air filterevery 9,500 mi
Coolant (antifreeze)every 14,000 mi
Fuel filterevery 18,000 mi
When the bigger jobs come up
Batteryaround 94,000 mi
Front brake padsaround 94,000 mi
Rear brake pads or shoesaround 90,000 mi
Water pumparound 94,000 mi
Transmission fluidaround 87,000 mi
Brake rotors (replace or resurface)around 93,000 mi
All 31 jobs, by mileage
| Job | Usually at | Most between | Again every | Visits |
|---|---|---|---|---|
| Brake fluid | 86,000 mi | 60,000–120,000 mi | – | 283 |
| Differential / gear oil | 86,000 mi | 63,000–107,000 mi | – | 157 |
| Tires | 86,000 mi | 61,000–116,000 mi | – | 112 |
| Transmission fluid | 87,000 mi | 66,000–114,000 mi | – | 332 |
| Cabin air filter | 89,000 mi | 65,000–121,000 mi | 9,500 mi | 828 |
| Rear brake pads or shoes | 90,000 mi | 67,000–126,000 mi | – | 382 |
| Fuel filter | 91,000 mi | 69,000–120,000 mi | 18,000 mi | 478 |
| Brake rotors (replace or resurface) | 93,000 mi | 68,000–123,000 mi | – | 324 |
| Front brake pads | 94,000 mi | 67,000–126,000 mi | – | 410 |
| Battery | 94,000 mi | 63,000–126,000 mi | – | 438 |
| Wiper blades | 94,000 mi | 74,000–127,000 mi | – | 139 |
| Water pump | 94,000 mi | 71,000–121,000 mi | – | 340 |
| EGR valve | 95,000 mi | 75,000–117,000 mi | – | 78 |
| Thermostat | 96,000 mi | 77,000–129,000 mi | – | 75 |
| Engine oil and filter | 99,000 mi | 73,000–127,000 mi | 7,500 mi | 2,984 |
| Throttle body cleaning | 99,000 mi | 78,000–131,000 mi | – | 57 |
| Engine air filter | 100,000 mi | 73,000–129,000 mi | 8,000 mi | 1,210 |
| Engine and transmission mounts | 100,000 mi | 73,000–126,000 mi | – | 76 |
| Drive (serpentine) belt | 101,000 mi | 84,000–127,000 mi | – | 47 |
| Wheel bearing | 101,000 mi | 83,000–125,000 mi | – | 40 |
| Coolant (antifreeze) | 103,000 mi | 76,000–128,000 mi | 14,000 mi | 590 |
| Fuel injectors | 103,000 mi | 81,000–130,000 mi | – | 278 |
| CV axle or boot | 105,000 mi | 79,000–145,000 mi | – | 75 |
| Wheel alignment | 109,000 mi | 77,000–137,000 mi | – | 219 |
| Control arms, links and bushings | 109,000 mi | 82,000–144,000 mi | – | 279 |
| DPF cleaning (diesel) | 109,000 mi | 86,000–130,000 mi | – | 308 |
| A/C refrigerant recharge | 113,000 mi | 84,000–129,000 mi | – | 94 |
| Shocks / struts | 117,000 mi | 93,000–152,000 mi | – | 118 |
| Radiator | 124,000 mi | 95,000–142,000 mi | – | 69 |
| Starter motor | 126,000 mi | 100,000–136,000 mi | – | 31 |
| Alternator | 134,000 mi | 116,000–160,000 mi | – | 165 |
From 5,500 visits to independent repair shops in South Korea, 2020–2026 (model years mostly 2011–2015). Mileage converted from km and rounded; Korean-market cars can differ from US ones. Your owner’s manual comes first.