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Recalls

Recalls & faults: Mercedes-Benz C217 S-Class Coupe (2015-20)

Recalls: Mercedes-Benz C217 S-Class Coupe

Overview

Manufacturers, or importers, issue recalls for defects or faults which have the potential to cause injury. Generally, manufacturers will inform the original buyers if their vehicle is subject to a recall and of the steps required to remedy the defect or fault. Please note that the recalls below (if any) are for Australian-delivered vehicles only. Furthermore, the number of recalls should not be taken as an indication of a model’s reliability or its safety more generally.

Recalls: Mercedes-Benz C217 S-Class Coupe

2018-19 Mercedes-Benz C217 S-Class Coupe: oil lines could leak

In March 2020, recall campaign RC2764 was issued for Mercedes-Benz C217 S-Class Coupes that were available for sale in Australia from 1 August 2018 to 30 April 2019. In these vehicles, materials used in the oil lines may not meet the correct specifications – this could result in oil leakages while the vehicle was in operation. If a leak occurred, oil could come into contact with hot components of the vehicle and cause a fire – this posed a risk of serious injury to vehicle occupants and other road users. For the VINs of the recalled vehicles, please see PRA 2020/18261.

2017-18 Mercedes-Benz C217 S 560 Coupe: oil leaks could cause engine to engine to run dry

In August 2020, recall campaign RC2788 was issued for Mercedes-Benz C217 S 560 Coupes that were available for sale in Australia from 2 October 2017 to 28 November 2018. During hard driving, the closure material of the engine plugs may fail as a result of high engine oil pressures – this, in turn, could cause oil leaks. If enough oil leaked, a red warning message would illuminate in the instrument cluster. If the warning message was ignored, the engine could run dry, causing it to stall and sustain damage – this increased the risk of a collision for vehicle occupants and other road users. If oil leaked onto the road, it increased the risk of collisions, posing a risk of injury for other road users. For the VINs of the recalled vehicles, please see PRA 2020/18484.

2018-20 Mercedes-Benz C217 S-Class: eCall system may not contact emergency services

In December 2021, recall campaign RC2932-RC2933 was issued for 2018-20 Mercedes-Benz C217 S-Class vehicles. Due to a software issue, the automatic network search of the emergency call system (eCall) communication module may be deactivated. If this occurred, the automatic and manual emergency call function may not be available outside of the network coverage of certain providers. If the eCall system was deactivated, it would not be possible for vehicle occupants to contact emergency services in the event of an emergency (either manually or automatically). As a consequence, emergency vehicles may not be directed to the affected vehicle or may be delayed and this could increase the risk of death if a serious injury had occurred. For this recall, no action was required by consumers since the software would be updated ‘over the air’ (i.e. without requiring a workshop visit). For the VINs of the recalled vehicles, please see REC-004979.

2018-20 Mercedes-Benz C217 S-Class Coupe: emergency call may not contact emergency services

In April 2022, recall campaign RC2957 was issued for 2018-20 Mercedes-Benz C217 S-Class Coupes. Due to a software issue, the automatic network search of the emergency call system (‘eCall’) communication module may be deactivated. If the eCall system was deactivated, it would not be possible for the vehicle occupants to connect with emergency services, either manually or automatically, in the event of an emergency. As a result, emergency vehicles may not be directed to the affected vehicle or may be delayed; this could increase the risk or severity of injury. For the VINs of the recalled vehicles, please see REC-005401.


Problems and faults: Mercedes-Benz C217 S-Class Coupe

Overview

This section identifies potential problems, causes and fixes based on the experiences of owners and repairers, online sources and technical service bulletins. This information is provided solely for reference purposes and AustralianCar.Reviews recommends that only properly qualified persons carry out repairs or modifications. Furthermore, the number of items below should not be taken as an indicator of a model’s reliability or the frequency with which they may occur.

To report a problem or fault to the AustralianCar.Reviews team, please use the Contact Us form. Note that AustralianCar.Reviews does not offer advice on automotive problems or disputes; such enquiries will not receive a reply. For vehicles purchased from dealers after 1 January 2011, please see our Australian Consumer Law fact sheet.

Mercedes-Benz C217 S 500: engine rattle noise after start-up

In December 2015, Mercedes-Benz issued Service Bulletin LI05.10-P-056435 Version 10 for Mercedes-Benz C217 S 500 Coupes that had M278 engines with engine numbers up to 2789xx 30 191843.

According to the Service Bulletin, the driver may hear a rattling noise after start-up – from the engine compartment – that lasts for several seconds. This noise was attributed to a lack of oil pressure in the secondary chain tensioners, though Mercedes-Benz claimed that no consequential damage was to be expected.

To fix, the secondary chain tensioners (left and right) were to be replaced and a check valve was to be installed in the oil supply bore of each secondary chain tensioner in the cylinder head (left and right).


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