The OBD II port is under the drivers side of the instrument panel. There might be a small door you must open to see it. It should be very close to your hood release lever. However this is not how you reset your service counter. This is done by putting your car in key position 2 (the accessory position before the car is turned on), now scroll to your a/b service screen on the display, once you get there hold your tripometer reset button for about 10 sec. Your service display will then reset.
The OBD II port is under the drivers side of the instrument panel. There might be a small door you must open to see it. It should be very close to your hood release lever. However this is not how you reset your service counter. This is done by putting your car in key position 2 (the accessory position before the car is turned on), now scroll to your a/b service screen on the display, once you get there hold your tripometer reset button for about 10 sec. Your service display will then reset.
Hey gfimotorcars,
I should have registered as a member here before I bought a contraption that is used to reset it. Thanks for the info.
The OBD II port is under the drivers side of the instrument panel. There might be a small door you must open to see it. It should be very close to your hood release lever. However this is not how you reset your service counter. This is done by putting your car in key position 2 (the accessory position before the car is turned on), now scroll to your a/b service screen on the display, once you get there hold your tripometer reset button for about 10 sec. Your service display will then reset.
Vehicle: '87 500SL 55k miles (for sale), '99 230 CLK ragtop, 2004 JEEP Grand Cherokee.
Location: FLEET, HANTS, UK
Posts: 22
And in case anyone wants to know where the connector is on a RHD (UK) '99 CLK 230K, open the bonnet and in the far right corner you will see a large cap about the size of a radiator cap (it fits in a similar fashion to a radiator cap too, 1/4 turn to unlock), with a smaller nut moulded in the centre. You can normally undo this by hand to reveal the 38 pin connector. You will need a 38 - 16 pin convertor cable (ebay, about £5 inc p&p) MERCEDES BENZ 38 Pin To 16 Pin OBD2 OBD 2 Adapter Cable on eBay (end time 17-May-11 05:08:54 BST) .
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