Change Car Accessory Belt Kit Mercedes-Benz CLS
Change Car Accessory Belt Kit
Easy
0h45–5h00
~75–500£
| Estimated time | 0h45–5h00 |
|---|---|
| Estimated labour cost | ~75–500£ |
| Difficulty | Easy |
| Vehicles |
CLS 2005-2011 9
CLS 2010-2017 16
CLS 2018-2023 4
|
| Renew the ancillary drive belt | 0h45–2h30 |
| Renew the engine oil and filter | 1h30–2h00 |
What is a Mercedes-Benz CLS accessory belt?
The accessory belt (also called the auxiliary belt or serpentine belt) allows the engine to drive peripheral components such as the alternator, air conditioning compressor, power steering pump, and sometimes the water pump.
When should you change the Mercedes-Benz CLS accessory belt?
Typical replacement is every 60,000–120,000 km or 4–6 years. Signs of wear include: squealing noise (especially at start-up or in wet weather), visible cracks or fraying. Always replace the tensioner and any idler pulleys at the same time.
Is it difficult to change the Mercedes-Benz CLS accessory belt?
Difficulty level 2/5: technically easy. Key steps: note the belt routing before removal, release the automatic tensioner, slide off the old belt, replace tensioner and idler pulleys, route the new belt, release the tensioner to apply tension.
3 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| CLS 2005-2011 | 2005-2011 | 280 Petrol (272.943), 320 CDI Diesel (642.920), 350 CDI Diesel (642.920), 350 CGi Petrol (272.985), 350, -LPG LPG,Petrol (272.964), 500, -LPG LPG,Petrol (113.967), 500/550 Petrol (273.960), 55 AMG V8 Kompressor Petrol (113.990), 63 AMG Petrol (156.983) | Diesel, LPG, Petrol |
| CLS 2010-2017 | 2010-2017 | 220 BlueTEC, -T Diesel (651.924), 250 BlueTEC, -4MATIC Diesel (651.924), 250 CDI BlueEFF Diesel (651.924), 350 BlueEFF Petrol (276.952), 350 BlueTEC 4MATIC Diesel (642.858), 350 BlueTEC 4MATIC Diesel (642.858), 350 BlueTEC Diesel (642.852), 350 CDI 4MATIC Diesel (642.858), 350 C… | Diesel, Petrol |
| CLS 2018-2023 | 2018-2023 | 300 d Diesel (654.920), 350 EQ Boost, -4MATIC 48V (MHEV),Petrol (264.920), 350d, -4MATIC Diesel (656.929), 400d 4MATIC Diesel (656.929), 450 EQ Boost, -4MATIC 48V (MHEV),Petrol (256.930), 53 AMG 4MATIC 48V (MHEV),Petrol (256.930) | 48V (MHEV), Diesel, Petrol |
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