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Mercedes Tyre Pressure Systems

Some details about your Mercedes Benz Tpms System.

Before the year 2014 most of the Mercedes models had what's called indirect TPMS (Tyre Pressure Monitoring System) fitted. This system works by taking information from the ABS sensor of the car and notifying the driver when a wheel effectively rotates faster than any of the others (there's a little more tech to that, but keeping it simple, when a tyre loses pressure, it reduces in size - like a balloon!!).

After 2014 all of the Mercedes Benz models started to have Direct TPMS systems installed, which has an electronic sensor fitted inside the tyre to the base of an aluminium valve (the bit you see sticking our where you feed air into!). This kind of TPMS system measures tyre temperature and pressure in real time and reports back to an onboard computer using a localised radio transmission. In any abnormal situation (temp or pressure change) the system provides instant information to the occupants.

TPMS_dash_lightTPM_Valve_blackMercedes_logo

This alert can signify different situations (all require your attention though!).

If there is air pressure loss: The system will illuminate on the dashboard a TPMS indicator light. This light will remain on until the problem is resolved or the air pressure reset.
Using the onboard computer menu system, it can then be seen exactly which tyre(s) has the problem!
NOTE: it is highly unlikely that a tyre will lose pressure for no reason. ALWAYS have it checked immediately (we can do this for you with our mobile tyre service in Bristol!!!)

It is possible for a sensor malfunction to have occurred too though! They are battery powered with an estimated life of 5-7 years dependent on usage. When the transmitter fails due to battery depletion, it'll also trigger the same warning (a TPMS warning light on your dash is an automatic MoT failure too!)
Condensation causing excessive moisture within the tyre can lead to advanced corrosion, which could also cause a TPMS sensor malfunction - as can poor tyre fitting and removal or continued use after a blow out or puncture.

In all cases your very best, most convenient and competitive option is to call Hometyre mobile tyre services to check your TPMS system, detect which tyre sensor has a problem and replace it with a new one. We're equipped with all of the the necessary TPMS diagnostic tools to reset your TPMS system too - saving £££'s on dealer reprogramming costs!

Your valves are serviceable items too with internal air seals which require periodic maintenance and replacement. Carried out as part of routine tyre replacements, these units cost around £8.00 each. If they're left to fail, the costs are likely to be far far higher!

Call Hometyre Mobile Tyre Fitters Bristol. Your local Tyre Pressure Sensor experts! 03334445454

 



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