MB Electric Seat Adjustment (ESA)

Seat synchronization issue E-Class, CLK-Class W208 W210

Problem:

• You adjust the seat using the power seat switch installed on the door of the E  or CLK class,

but the seat moves the opposite direction.

You try to slide the seat forwards, but the seat moves backwards.

You try to slide the seat backwards and the seat slides forwards.

The seat only moves forwards no matter which way you move the switch.

Impacted Models:

• 1996-2002 E Class  W210 E320 E420 E430 E55
• 1996-2002 CLK Class W208 CLK320 CLK430 CLK55

Solution:

This happens because the Electric Seat Adjustment (ESA) control modules (N32/1 left or N32/2 right) which are responsible for controlling the seat no longer remember the limits where the seat can extend. To resolve this problem, we will need to re-synchronise the seats which you can do in a couple of minutes. Synchronize the limits of the switch by following the instructions below.

Instruction on how to synchronise the power seats

1. Insert the key into the ignition and turn to position 2. You should see all the dash lights turn on. Do NOT start the car.
2. Roll down the windows.
3. Leave the key into the ignition and get out of the car.
4. Reach the power seat switch on the door of the E-Class / CLK-Class and move the seat all the way forward.
5. Once the seat reaches moves completely forward continue to hold the switch forward for at least 3 more seconds.
6. Move the seat all the way to the back. When the seat reaches the furthest back position continue to hold the switch for minimum of 3 seconds.

We were able to find the power seat switch shown above online see link W210 Power Seat and Steering Adjustment Seat Part Number.

Related Part Numbers

• 210 820 89 10 / 2108208910
• 210 820 30 10 / 2108203010

Did these instructions work for you? Please take a minute to give us some feedback!

You can follow the same procedure to adjust any of the seat positions, the head rest and the steering wheel column.
Please note that if the problem in your car is not the switch synchronisation you may be stuck with the seat in the forward position. If the seat synchronization fails you can press the Memory buttons 1,2 or 3 to get the seat to move backwards.

If the instructions above do not solve your seat problem then you may need to replace the power switch. You can find a new switch on Amazon at a very reasonable price. We have provided you with a link where you can find Mercedes-Benz power switch on Amazon.


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